Updated on 2024/07/02

写真a

 
Masafumi Yamaguchi
 
Organization
Graduate School of Engineering Department of Advanced Science and Technology Electronics and Information Engineering Semiconductor Laboratory Invited Research Fellow   
Degree
工学博士 ( 1978.9   北海道大学 )
Contact information
メールアドレス

Research Areas

  • Others / Others  / 半導体材料

  • Others / Others  / 半導体物性

  • Others / Others  / 光電デバイス(太陽電池等)

  • Others / Others  / 半導体の放射線損傷

  • Others / Others  / 光電物性

  • Others / Others  / エピタキシャル成長

  • Others / Others  / 青色発光素子

  • Others / Others  / 太陽電池

  • Others / Others  / Li二次電池や光機能素子・光集積部品の研究および指導

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Main research papers

Research History

  • Toyota Technological Institute   Graduate School of Engineering Department of Advanced Science and Technology Electronics and Information Engineering Semiconductor Laboratory   Invited Research Fellow

    2020.4

  • Chiba Institute of Technology

    2022.4

  • Toyota Technological Institute   Senior Research Scholar

    2016.4 - 2020.3

  • Toyota Technological Institute   Specially Appointed Professor

    2012.4 - 2016.3

  • The University of Tokyo   Adjoint Professor

    2010.7 - 2012.6

  • 新エネルギー・産業技術開発機構   「太陽光発電システム次世代高性能技術開発」   プロジェクトリーダー

    2010.4 - 2015.2

  • 科学技術振興機構   CREST研究領域「太陽光を利用した独創的クリーンエネルギー生成」   研究総括

    2009 - 2017.3

  • 宇宙航空研究開発機構   客員教授

    2000 - 2017.3

  • Toyota Technological Institute

    1994.4 - 2012.3

  • NTT光エレクトロニクス研究所   光機能素子研究室   グループリーダー

    1988 - 1994

  • NTT茨城電気通信研究所   エネルギー部品研究室   室長

    1986 - 1988

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Education

  • Hokkaido University

    - 1968.3

Professional Memberships

  • 米国電気電子学会

  • 材料研究学会

  • 応用物理学会

Committee Memberships

  • 日本太陽光発電学会   監事  

    2020.10   

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    Committee type:Academic society

  • 新エネルギー・産業技術総合開発機構(NEDO)   「太陽光発電システム技術検討委員会」委員⻑  

    2020.4   

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    Committee type:Government

  • 電気学会   フェロー  

    2012   

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    Committee type:Academic society

  • IEEE Photovoltaic Specialists Conference (PVSC)   William Cherry Committee委員  

    2008   

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    Committee type:Academic society

  • 愛知県   「新エネルギー関連産業振興計画策定委員会」委員,「水素エネルギー産業協議会」委員  

    2004.4   

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    Committee type:Municipal

  • PROGRESS IN PHOTOVOLTAICS   編集委員  

    2000.1   

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    Committee type:Other

  • Renewable & Sustainable Energy Reviews   編集委員  

    1997.1   

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    Committee type:Other

  • International Photovoltaic Science and Engineering Conference (PVSEC)   組織委員  

    1985.10   

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    Committee type:Academic society

  • International Solar Energy Society (ISES)   ”Solar Cells and Modules” Division Director  

    2008 - 2013   

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    Committee type:Academic society

  • International Science Council   "International Science Panel on Renewable Energy" Group Member  

    2005.4 - 2010.3   

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    Committee type:Academic society

  • 17th International Photovoltaic Science and Engineering Conference (PVSEC-17)   組織委員長  

    2005 - 2007   

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    Committee type:Academic society

  • 日本学術振興会   「次世代太陽光発電システム第175委員会」副委員長  

    2004.4 - 2020.3   

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    Committee type:Government

  • 愛知県科学技術交流財団   「先端太陽電池応用技術研究会」座長  

    2002.4 - 2008.3   

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    Committee type:Municipal

  • 文部科学省   「成層圏プラットフォーム協議会」委員  

    2002.4 - 2008.3   

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    Committee type:Government

  • 3rd World Conference on Photovoltaic Energy Conversion (WCPEC-3)   論文委員長  

    2001 - 2003   

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    Committee type:Academic society

  • 宇宙航空研究開発機構(JAXA)   「太陽電池の放射線強化技術委員会」委員長  

    1998.4 - 2015.3   

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    Committee type:Government

  • 応用物理学会   「応用電子物性分科会」会計幹事  

    1996.4 - 2002.3   

  • 電気学会   「太陽光発電実用化技術調査専門委員会」委員長  

    1996.4 - 2000.4   

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    Committee type:Academic society

  • 国際エネルギー機関   PV専門委員  

    1994.2 - 1999.3   

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    Committee type:Government

  • World Conference on Photovoltaic Energy Conversion (WCPEC)   組織副委員長,論文副委員長,国際諮問委員長  

    1993.1 - 2000.12   

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    Committee type:Academic society

  • 経産省,通産省   「ニューサンシャイン計画研究開発推進会議」委員  

    1992.8 - 2020.3   

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    Committee type:Government

  • European Photovoltaic Solar Energy Conference & Exhibition (EUPVSEC)   国際諮問委員  

    1992.3 - 2019   

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    Committee type:Academic society

  • 新エネルギー・産業技術総合開発機構(NEDO)   「太陽・風力技術室議委員会」委員,「太陽光発電技術」委員,「海外協力」委員,「化合物半導体製造装置開発」委員,「結晶系太陽電池開発部会」部会長  

    1991.1 - 2020.3   

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    Committee type:Government

  • IEEE Photovoltaic Specialists Conference (PVSC)   国際諮問委員  

    1987 - 2019   

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    Committee type:Academic society

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Papers

  • Outdoor evaluation of total cross-tied Si module under driving conditions Reviewed

    Yasuyuki Ota*, Keiya Tamada*, Kyotaro Nakamura, Masafumi Yamaguchi, Yoshio Ohshita, Kenji Araki*, Kensuke Nishioka*

    Solar Energy Materials and Solar Cells   274   112989   2024.6

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    Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1016/j.solmat.2024.112989

  • Analysis for Effects of Temperature Rise of PV Modules upon Driving Distance of Vehicle Integrated Photovoltaic Electric Vehicles Reviewed

    Masafumi Yamaguchi, Yasuyuki Ota*, Taizo Masuda*, Christian Thiel*, Anastasios Tsakalidis*, Arnulf Jaeger-Waldau*, Kenji Araki*, Kensuke Nishioka*, Tatsuya Takamoto*, Takashi Nakado*, Kazumi Yamada*, Tsutomu Tanimoto*, Yosuke Tomita*, Yusuke Zushi*, Kenichi Okumura*,Takashi Mabuchi*, Akinori Satou*, Kyotaro Nakamura, Ryo Ozaki, Nobuaki Kojima,Yoshio Ohshita

    Energy and Power Engineering   2024 ( 16 )   131 - 150   2024.4

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.4236/epe.2024.164007

  • Approaches for III-V/Si tandem solar cells and comparative studies on Si tandem solar cells Reviewed

    Masafumi Yamaguchi, Tatsuya Takamoto*, Hiroyuki Juso*, Kyotaro Nakamura, Ryo Ozaki, Taizo Masuda*, Takashi Mabuchi*, Kenichi Okumura*, Nobuaki Kojima, Yoshio Ohshita

    Progress in Photovoltaic   online   2024.1

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1002/pip.3780

  • Analysis of Climate Conditions upon Driving Distance of Vehicle Integrated Photovoltaics-Powered Vehicles Reviewed

    Masafumi Yamaguchi, Kyotaro Nakamura, Ryo Ozaki, Nobuaki Kojima, Yoshio Ohshita, Taizo Masuda*, Kenichi Okumura*, Takashi Mabuchi*, Akinori Satou*, Tsutomu Tanimoto*, Yosuke Tomita*, Yusuke Zushi*, Takashi Nakado*, Kazumi Yamada*, Christian Thiel*, Anastasios Tsakalidis*, Arnulf Jaeger-Waldau*, Tatsuya Takamoto*, Kenji Araki*, Yasuyuki Ota*, Kensuke Nishioka*

    Energy Technology   12 ( 1 )   2300692   2024.1

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1002/ente.202300692

  • Proposal of Solar Cell Modules for Reducing Partial Shading Loss

    Kyotaro Nakamura, Chikao Okamoto*, Ryo Ozaki, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 40th European Photovoltaic Solar Energy Conference (EUPVSEC2023)   020312   2023.11

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    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.4229/EUPVSEC2023/4BV.3.5

  • Approaches for III-V/Si Tandem Solar Cells and Comparative Studies on Si Tandem Solar Cells

    Masafumi Yamaguchi, Kyotaro Nakamura, Ryo Ozaki, Tatsuya Takamoto*, Taizo Masuda*, Takashi Mabuchi*, Kenichi Okumura*, Nobuaki Kojima, Yoshio Ohshita

    Proceedings of the 40th European Photovoltaic Solar Energy Conference (EUPVSEC2023)   020140   2023.11

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.4229/EUPVSEC2023/2DO.9.5

  • Analysis of Climate Conditions Upon the Driving Distance of Photovoltaics-Powered Vehicles

    Masafumi Yamaguchi, Taizo Masuda*, Tsutomu Tanimoto*, Yosuke Tomita*, Yasuyuki Ota*, Kenji Araki*, Kensuke Nishioka*, Christian Thiel*, Anastasios Tsakalidis*, Arnulf Jaeger-Waldau*, Takashi Nakado*, Kazumi Yamada*, Tatsuya Takamoto*, Takashi Mabuchi*, Kenichi Okumura*, Akinori Satou*, Yusuke Zushi*, Kyotaro Nakamura, Ryo Ozaki, Nobuaki Kojima, Yoshio Ohshita

    Proceedings of the 40th European Photovoltaic Solar Energy Conference (EUPVSEC2023)   020434   2023.11

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.4229/EUPVSEC2023/4DO.4.1

  • Overview and Perspective for High-Efficiency Single-Junction Solar Cells Invited Reviewed

    Masafumi Yamaguchi, Yoshio Ohshita, Hajime Shibata*, Hitoshi Tampo*, Takehiko Nagai*

    Solar RRL   2023   2300308   2023.7

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1002/solr.202300308

  • Analysis for Expansion of Driving Distance and CO2 Emission Reduction of Photovoltaic-Powered Vehicles Reviewed

    Masafumi Yamaguchi, Taizo Masuda*, Takashi Nakado*, Kazumi Yamada*, Kenichi Okumura*, Akinori Satou*, Yasuyuki Ota*, Kenji Araki*, Kensuke Nishioka*, Nobuaki Kojima, Yoshio Ohshita

    IEEE Journal of Photovoltaics   13 ( 3 )   343 - 348   2023.5

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)  

    DOI: https://doi.org/10.1109/JPHOTOV.2023.3242125

  • Overview and loss analysis of III–V single-junction and multi-junction solar cells Reviewed

    Masafumi Yamaguchi, Frank Dimroth*, Nicholas J. Ekins-Daukes*, Nobuaki Kojima,Yoshio Ohshita

    EPJ Photovoltaics   13   22   2022.10

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:EDP Sciences  

    DOI: https://doi.org/10.1051/epjpv/2022020

  • Analysis for the Potential of High-Efficiency and Low-Cost Vehicle-Integrated Photovoltaics Reviewed

    Masafumi Yamaguchi, Kyotaro Nakamura, Ryo Ozaki, Nobuaki Kojima,Yoshio Ohshita, Taizo Masuda*, Kenichi Okumura*, Akinori Satou*, Takashi Nakado*, Kazumi Yamada*, Tsutomu Tanimoto*, Yusuke Zushi*, Tatsuya Takamoto*, Kenji Araki*,Yasuyuki Ota*, Kensuke Nishioka**

    Solar RRL   2022   2200556   2022.9

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:John Wiley & Sons, Ltd.  

    DOI: https://doi.org/10.1002/solr.202200556

  • Optimization of asymmetrical static-LCPV dependent on applications Reviewed

    Kenji Araki*, Masafumi Yamaguchi, Yasuyuki Ota*, Kensuke Nishioka*

    AIP Conference Proceedings   2550   040003   2022.9

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    Publishing type:Research paper (scientific journal)   Publisher:AIP Publishing  

    DOI: https://doi.org/10.1063/5.0099173

  • Overview of Concentrator Solar cells and Analysis for their Non-radiative Recombination

    Masafumi Yamaguchi, Kan-Hua Lee*, Daisuke Sato*, Kenji Araki*, Nobuaki Kojima, Yoshio Ohshita

    ISES Solar World Congress 2021 Proceedings   92 - 100   2022.7

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)   Publisher:International Solar Energy Society  

    DOI: doi:10.18086/swc.2021.05.03

  • Impact of Photovoltaics-powered Vehicles

    Masafumi Yamaguchi, Taizo Masuda*, Kenji Araki*

    ISES Solar World Congress 2021 Proceedings   176 - 182   2022.7

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)   Publisher:International Solar Energy Society  

    DOI: doi:10.18086/swc.2021.10.01

  • Loss Analysis of High-Efficiency Perovskite/Si Tandem Solar Cells for Large Market Applications Reviewed

    Masafumi Yamaguchi, Kyotaro Nakamura, Ryo Ozaki, Nobuaki Kojima, Yoshio Ohshita

    Energy and Power Engineering   2022 ( 14 )   167 - 180   2022.4

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:Scientific Research Publishing Inc.  

    DOI: https://doi.org/10.4236/epe.2022.144009

  • Impact and recent approaches of high-efficiency solar cell modules for PV-powered vehicles Reviewed

    Masafumi Yamaguchi, Taizo Masuda*, Kenji Araki*, Yasuyuki Ota*, Kensuke Nishioka**

    Japanese Journal of Applied Physics   61   SC0802   2022.3

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:The Japan Society of Applied Physics  

  • Analysis for efficiency potential of II–VI compound, chalcopyrite, and kesterite‑based tandem solar cells Reviewed

    Masafumi Yamaguchi, Hitoshi Tampo*, Hajime Shibata*, Patrick Schygulla*, Frank Dimroth**, Nobuaki Kojima, Yoshio Ohshita

    Journal of Materials Research   37   445 - 456   2022.1

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:Springer Nature  

  • Impact of climatic conditions on prospects for integrated photovoltaics in electric vehicles Reviewed

    Christian Thiel*, Ana Gracia Amillo*, Alessandro Tansini*, Anastasios Tsakalidis*, Georgios Fontaras*, Ewan Dunlop*, Nigel Taylor*, Arnulf Jager-Waldau*, Kenji Araki*, Kensuke Nishioka*, Yasuyuki Ota**, Masafumi Yamaguchi

    Renewable and Sustainable Energy Review   158   112109   2022.1

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    Authorship:Last author   Publishing type:Research paper (scientific journal)   Publisher:Elsevier  

  • Approaches for High-Efficiency III-V/Si Tandem Solar Cells Reviewed

    Masafumi Yamaguchi, Kan-Hua Lee*, Patrick Schygulla*, Frank Dimroth*, Tatsuya Takamoto*, Ryo Ozaki*, Kyotaro Nakamura, Nobuaki Kojima, Yoshio Ohshita

    Energy and Power Engineering   13   413 - 427   2021.12

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:Scientific Research Publishing Inc.  

  • Development of high-efficiency solar cell modules for PV-powered vehicles Reviewed

    Masafumi Yamaguchi, Kenji Araki*, Yasuyuki Ota*, Kensuke Nishioka*, Tatsuya Takamoto*, Christian Thiel*, Anastasios Tsakalidis*, Arnulf Jäger-Waldau*, Taizo Masuda*, Kenichi Okumura*, Takashi Nakado*, Kazumi Yamada*, Yusuke Zushi*, Tsutomu Tanimoto**, Kyotaro Nakamura, Ryo Ozaki*, Nobuaki Kojima, Yoshio Ohshita

    Proceedings of the 38th European Photovoltaic Solar Energy Conference and Exhibition   1409 - 1411   2021.11

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)   Publisher:WIP  

  •  Analysis of temperature coefficients and their effect on efficiency of solar cell modules for photovoltaics-powered vehicles Reviewed

    Masafumi Yamaguchi, Taizo Masuda*, Kenji Araki*, Yasuyuki Ota*, Kensuke Nishioka*, Tatsuya Takamoto*, Christian Thiel*, Anastasios Tsakalidis*, Arnulf Jaeger-Waldau*, Kenichi Okumura*, Akinori Satou*, Takashi Nakado*, Kazumi Yamada*, Yusuke Zushi*, Tsutomu Tanimoto**, Kyotaro Nakamura, Ryo Ozaki*, Nobuaki Kojima, Yoshio Ohshita

    Journal of Physics D: Applied Physics   54   504002   2021.9

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:IOP Publishing Ltd  

  • Structural Characterization of GaAs Layer Grown on 2D-GaSe/Si(111) Substrate for Rapid Epitaxial Lift Off Reviewed

    Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)   1941 - 1942   2021.8

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    Authorship:Last author   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • Potential of Si Tandem Solar Cell Modules for PV-Powered Vehicles Reviewed

    Masafumi Yamaguchi, Kenji Araki*, Yasuyuki Ota*, Kensuke Nishioka*, Tatsuya Takamoto*, Taizo Masuda*, Kenichi Okumura*, Akinori Satou*, Takashi Nakado*, Kazumi Yamada*, Yusuke Zushi*, Tsutomu Tanimoto**, Kyotaro Nakamura, Ryo Ozaki*, Nobuaki Kojima,Yoshio Ohshita

    Proceedings of the 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)   120 - 122   2021.8

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • Development of High-Efficiency Solar Cell Modules for Photovoltaic-Powered Vehicles Reviewed

    Masafumi Yamaguchi, Ryo Ozaki*, Kyotaro Nakamura, Kan-Hua Lee **, Nobuaki Kojima,Yoshio Ohshita, Taizo Masuda*, Kenichi Okumura*, Akinori Satou*, Takashi Nakado*, Kazumi Yamada*, Kenji Araki*, Yasuyuki Ota*, Kensuke Nishioka*, Tatsuya Takamoto*, Yusuke Zushi*, Tsutomu Tanimoto*, Christian Thiel*, Anastasios Tsakalidis*, Arunulf Jäger-Waldau**

    Solar RRL   2021   2100429   2021.8

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:John Wiley & Sons, Ltd.  

  • Multi-junction solar cells paving the way for super high-efficiency Reviewed

    Masafumi Yamaguchi, Frank Dimroth*, John F. Geisz*, Nicholas J. Ekins-Daukes**

    Journal of Applied Physics   129   240901   2021.6

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:AIP Publishing  

  • Importance of Developing Photovoltaics-Powered Vehicles Reviewed

    Masafumi Yamaguchi, Taizo Masuda*, Takashi Nakado*, Yusuke Zushi*, Kenji Araki*, Tatsuya Takamoto*, Kenichi Okumura*, Akinori Satou*, Kazumi Yamada*, Yasuyuki Ota*, Kensuke Nishioka*, Tsutomu Tanimoto**, Kyotaro Nakamura, Ryo Ozaki*, Nobuaki Kojima,Yoshio Ohshita

    Energy and Power Engineering   13 ( 5 )   147 - 162   2021.5

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:Scientific Research Publishing Inc.  

  • Defect analysis of crystalline Si solar cells by learning radiation-induced defects in Si Reviewed

    Masafumi Yamaguchi, Takefumi Kamioka **, Nobuaki Kojima, Yoshio Ohshita

    MRS Communications   11 ( 3 )   272 - 277   2021.5

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:Springer Nature Limited  

  • Low-temperature direct growth for low dislocation density in III-V on Si towards high-efficiency III-V/Si tandem solar cells Reviewed

    Masafumi Yamaguchi, Yu-Cian Wang*, Nobuaki Kojima, Akio Yamamoto **,Yoshio Ohshita

    Japanese Journal of Applied Physics   60 ( SB )   SBBF14   2021.2

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:The Japan Society of Applied Physics  

  • Analysis for non-radiative recombination and resistance loss in chalcopyrite and kesterite solar cells Reviewed

    Masafumi Yamaguchi, Hitoshi Tampo*, Hajime Shibata*, Kan-Hua Lee**, Kenji Araki, Nobuaki Kojima, Yoshio Ohshita

    Japanese Journal of Applied Physics   60   SBBF05   2021.1

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:The Japan Society of Applied Physics  

  • Stretchable micro-scale concentrator photovoltaic module with 15.4% efficiency for three-dimensional curved surfaces Reviewed

    Daisuke Sato*, Taizo Masuda**, Kenji Araki, Masafumi Yamaguchi, Kenichi Okumura*, Akinori Sato*, Ryota Tomizawa* & Noboru Yamada**

    Communications Materials   2   7   2021.1

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    Publishing type:Research paper (scientific journal)   Publisher:Springer Nature Limited  

  • How did the knowledge of CPV contribute to the standardization activity of VIPV? Reviewed

    Kenji Araki, Liang Ji*, George Kelly*, Arjo van der Ham*, Emilio Agudo*, Ignacio Antón*, Mathieu Baudrit*, Anna Carr*, Rebeca Herrero*, Sarah Kurtz*, Zhengxin Liu*, Mauro Pravettoni*, Yasuyuki Ota*, Hiromi Tobita*, Sewang Yoon*, Masahiro Yoshita**, Masafumi Yamaguchi, Kensuke Nishioka **

    AIP Conference Proceedings   2298 ( 1 )   060001   2020.11

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    Publishing type:Research paper (scientific journal)   Publisher:The American Institute of Physics (AIP)  

  • Super-multi-junction solar cells - Device configuration with the potential for more than 50% annual energy conversion efficiency (CPV) Reviewed

    Kenji Araki, Yasuyuki Ota*, Hiromu Saiki*, Hiroki Tawa*, Kensuke Nishioka*, Daisuke Sato**, Masafumi Yamaguchi

    AIP Conference Proceedings   2298 ( 1 )   020001   2020.11

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    Authorship:Last author   Publishing type:Research paper (scientific journal)   Publisher:The American Institute of Physics (AIP)  

  • Epitaxial GaAs Lift-off from Si(111) Wafer via 2D-GaSe Buffer Layer Reviewed

    Nobuaki Kojima, Yu-Cian Wang **, Masafumi Yamaguchi, Yoshio Ohshita

    Proceedings of the 37th European Photovoltaic Solar Energy Conference and Exhibition   615 - 617   2020.10

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    Publishing type:Research paper (international conference proceedings)   Publisher:WIP  

  • Analysis for nonradiative recombination loss and radiation degradation of Si space solar cells Reviewed

    Masafumi Yamaguchi, Kan-Hua Lee **, Kenji Araki, Nobuaki Kojima, Yasuki Okuno **, Mitsuru Imaizumi **

    Progress in Photovoltaics   29   98 - 108   2020.9

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:John Wiley & Sons, Ltd.  

  • Development of high-efficiency and low-cost solar cells for PV-powered vehicles application Reviewed

    Masafumi Yamaguchi, Taizo Masuda **, Kenji Araki, Daisuke Sato*, Kan-Hua Lee**, Nobuaki Kojima, Tatsuya Takamoto*, Kenichi Okumura*, Akinori Satou*, Kazumi Yamada*, Takashi Nakado*, Yusuke Zushi**, Yoshio Ohshita, Mitsuhiro Yamazaki **

    Progress in Photovoltaics   29 ( 7 )   684 - 693   2020.9

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:John Wiley & Sons, Ltd.  

  • Role of PV-Powered Vehicles in Low-Carbon Society and Some Approaches of High-Efficiency Solar Cell Modules for Cars Reviewed

    Masafumi Yamaguchi, Taizo Masuda **, Kenji Araki, Daisuke Sato, Kan-Hua Lee*, Nobuaki Kojima, Tatsuya Takamoto*, Kenichi Okumura*, Akinori Satou*, Kazumi Yamada*, Takashi Nakado*, Yusuke Zushi*, Mitsuhiro Yamazaki*, Hiroyuki Yamada**

    Energy and Power Engineering   12 ( 6 )   375 - 395   2020.6

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Publisher:Scientific Research Publishing  

  • Overview and Loss Analysis of High-Efficincy III-V Compound Single-Junction Solar Cells Reviewed

    Masafumi Yamaguchi, Kenji Araki **, Nobuaki Kojima, Yoshio Ohshita

    Proceedings of the 2020 IEEE 47th Photovoltaic Specialists Conference (PVSC)   149 - 151   2020.6

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • Importance of Developing High-Efficiency Solar Cells for PV-Powered Vehicles Reviewed

    Masafumi Yamaguchi, Kenji Araki **, Nobuaki Kojima, Tatsuta Takamoto*, Taizo Masuda*, Akinori Satou*, Kazumi Yamada*, Mitsuhiro Yamazaki**

    Proceedings of the 2020 IEEE 47th Photovoltaic Specialists Conference (PVSC)   221 - 223   2020.6

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)   Publisher:IEEE  

  • Nearly 30%-efficient low-concentration static photovoltaic modules with IMM triple-junction solar cells Reviewed

    Daisuke Sato **, Kenji Araki, Tatsuya Takamoto*, Hiroyuki Juso*, Noboru Yamada*, Taizo Masuda**, Masafumi Yamaguchi

    Applied Physics Express   13 ( 7 )   077001   2020.6

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  • The Outdoor Field Test and Energy Yield Model of the Four-Terminal on Si Tandem PV Module Reviewed

    Kenji Araki, Hiroki Tawa **, Hiromu Saiki **, Yasuyuki Ota **, Kensuke Nishioka **, Masafumi Yamaguchi

    Applied Sciences   10 ( 7 )   2529   2020.4

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  • Proposals for Accelerating Photovoltaics Installations in Japan and Further Developments of Science and Technologies of Photovoltaics Reviewed

    Masafumi Yamaguchi, リ カンファ, Kenji Araki, Nobuaki Kojima, Taizo Masuda*, Kazutaka Kimura*, Akinori Satou**

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   1724 - 1728   2020.2

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  • Epitaxial GaAs Lift Off via III-VI Layered Compounds Reviewed

    Nobuaki Kojima, ワン ユ チェン, Kei Kawakatsu, Akio Yamamoto*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   1015 - 1017   2020.2

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  • GaAs Grown on Si (111) by inserting metal selenides films Reviewed

    ワン ユ チェン, Nobuaki Kojima, Kei Kawakatsu, Akio Yamamoto*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   1068 - 1070   2020.2

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  • Demonstration of High Efficiency Static Low-Concentration Photovoltaic Module Using Hybrid Lens Arrays Reviewed

    リ カンファ, 佐藤 大輔, Kenji Araki, Noboru Yamada **, Masafumi Yamaguchi

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   0255 - 0259   2020.2

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  • Design of the Micro-Köhler Concentrator Optics for CPV Application Reviewed

    Kenji Araki, リ カンファ, Nobuhiko Hayashi*, Kouki Ichihashi*, Shutetsu Kanayama*, Takuji Inohara*, Yohei Morita*, Michihiko Takase**, Masafumi Yamaguchi

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   0196 - 0201   2020.2

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  • Alignment Tolerance Control of the Micro CPV Array Using Monte Carlo Methods Reviewed

    Kenji Araki, リ カンファ, Nobuhiko Hayashi*, Kouki Ichihashi*, Shutetsu Kanayama*, Takuji Inohara*, Yohei Morita*, Michihiko Takase**, Masafumi Yamaguchi

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   0202 - 0209   2020.2

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  • Curve Correction of the Energy Yield by Flexible Photovoltaics for VIPV and BIPV Applications Using a Simple Correction Factor Reviewed

    Kenji Araki, Yasuyuki Ota **, リ カンファ, Noboru Yamada **, Masafumi Yamaguchi

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   1584 - 1591   2020.2

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  • Rough and Straightforward Estimation of the Mismatching Loss by Partial Shading of the PV Modules Installed on an Urban Area or Car-Roof Reviewed

    Kenji Araki, リ カンファ, Taizo Masuda*, Yoshitaka Hayakawa*, Noboru Yamada**, Masafumi Yamaguchi, Yasuyuki Ota**

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   1218 - 1225   2020.2

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  • Modeling and Standardization Researches and Discussions of the Car-roof PV through International Web Meetings Reviewed

    Kenji Araki, Liang Ji*, George Kelly*, Emilio Agudo*, Ignacio Anton*, Mathieu Baudrit*, Anna Carr*, Rebeca Herrero*, Sarah Kurtz*, Zhengxin Liu*, Moritz Limpinsel*, Zhonglin Lu*, Mauro Pravettoni*, Paul Robusto*, Hiromi Tobita*, Qian Wu*, Zhenyu Wu*, Sewang Yoon**, Masafumi Yamaguchi

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   2722 - 2729   2020.2

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  • Analysis for Radiation Degradation of Advanced Si Space Solar Cells Reviewed

    Masafumi Yamaguchi, リ カンファ, Kenji Araki, Nobuaki Kojima, Yasuki Okuno*, Mitsuru Imaizumi**

    Proceedings of the 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)   2377 - 2380   2020.2

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  • Overview of Si Tandem Solar Cells and Approaches to PV-Powered Vehicle Applications Reviewed

    Masafumi Yamaguchi, リ カンファ, 佐藤 大輔, Kenji Araki, Nobuaki Kojima, Tatsuya Takamoto*, Taizo Masuda*, Akinori Satou**

    MRS Advances   441 - 450   2020.1

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  • online発行 Overview of Si Tandem Solar Cells and Approaches to PV-Powered Vehicle Applications Reviewed

    Masafumi Yamaguchi, リ カンファ, 佐藤 大輔, Kenji Araki, Nobuaki Kojima, Tatsuya Takamoto*, Taizo Masuda*, Akinori Satou**

    MRS Advances   2020.1

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  • Measurement and Modeling of the 3-D Solar Irradiance for Vehicle-Integrated Photovoltaic Reviewed

    Kenji Araki, Yasuyuki Ota**, Masafumi Yamaguchi

    MDPI   10 ( 3 )   872   2020.1

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  • Super-Multi-Junction Solar Cells, a New Configuration of the Robust and High-Efficiency Solar Cell and Its Application – Operation Model Based on the Annual Monitoring of the Multi-Junction PV Modules Reviewed

    Kenji Araki, Yasuyuki Ota*, Kan-Hua Lee*, Kensuke Nishioka**, Masafumi Yamaguchi

    Proceedings of 2019 18th International Conference on Optical Communications and Networks (ICOCN)   2019.12

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  • Degradation prediction of a γ-ray radiation dosimeter using InGaP solar cells in a primary containment vessel of the Fukushima Daiichi Nuclear Power Station Reviewed

    Yasuki Okuno **, Masafumi Yamaguchi, Nariaki Okubo*, Mitsuru Imaizumi**

    Journal of Nuclear Science and Technology   57 ( 4 )   457 - 462   2019.11

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    Publishing type:Research paper (scientific journal)   Publisher:Taylor & Francis  

  • Impact of Nonplanar Panels on Photovoltaic Power Generation in the Case of Vehicles Reviewed

    Takeshi Tayagaki**, Kenji Araki, Masafumi Yamaguchi, Takeyoshi Sugaya**

    IEEE Journal of Photovoltaics   9 ( 6 )   1721 - 1726   2019.11

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  • Analysis of nonradiative recombination in quantum dot solar cells and materials Reviewed

    Lin Zhu **, リ カンファ, Masafumi Yamaguchi, Hidefumi Akiyama*, Yoshihiko Kanemitsu**, Kenji Araki, Nobuaki Kojima

    Progress in Photovoltaics   27 ( 11 )   971 - 977   2019.11

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    Publishing type:Research paper (scientific journal)   Publisher:John Wiley & Sons, Ltd.  

  • Super-Multi-Junction Solar Cells—Device Configuration with the Potential for More Than 50% Annual Energy Conversion Efficiency (Non-Concentration) Reviewed

    Kenji Araki, Yasuyuki Ota*, Hiromu Saiki*, Hiroki Tawa*, Kensuke Nishioka**, Masafumi Yamaguchi

    Applied Sciences   9 ( 21 )   4598   2019.10

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  • Some Approaches of PV-Powered Vehicles Applications Reviewed

    Masafumi Yamaguchi, Kenji Araki, 佐藤 大輔, リ カンファ, Nobuaki Kojima, Kyotaro Nakamura,Yoshio Ohshita, Taizo Masuda*, Akinori Satou*, Kazumi Yamada*, Takashi Nakado*, Tatsuya Takamoto*, Takehiko Sato*, Mitsuhiro Yamazaki*, Mami Hasegawa*, Hiroyuki Yamada**

    Proceedings of the 36th European Photovoltaic Solar Energy Conference and Exhibition   1787 - 1791   2019.10

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  • Demonstration of the performance static low-concentration module using hybrid lens arrays Reviewed

    リ カンファ, 佐藤 大輔, Kenji Araki, Noboru Yamada**, Masafumi Yamaguchi

    AIP Conference Proceedings   2149   070009   2019.8

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  • Why and how does car-roof PV create 50 GW/year of new installations? Also, why is a static CPV suitable to this application? Reviewed

    Kenji Araki, 佐藤 大輔, Taizo Masuda**, リ カンファ, Noboru Yamada**, Masafumi Yamaguchi

    AIP Conference Proceedings   2149 ( 1 )   050003   2019.8

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  • Improvement of the spectral sensitivity of CPV by enhancing luminescence coupling and fine-tuning to the bottom-bandgap matched to local atmospheric conditions Reviewed

    Kenji Araki, Yasuyuki Ota**, リ カンファ, Kensuke Nishioka**, Masafumi Yamaguchi

    AIP Conference Proceedings   2149   060001   2019.8

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  • A Mesh Downsampling Algorithm for Equivalent Circuit Network Simulation of Multi-Junction Solar Cells Reviewed

    リ カンファ, Kenji Araki, Masafumi Yamaguchi

    IEEE Access   7   97208 - 97215   2019.7

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  • A mobile multipyranometer array for the assessment of solar irradiance incident on a photovoltaic-powered vehicle Reviewed

    Yasuyuki Ota**, Taizo Masuda**, Kenji Araki, Masafumi Yamaguchi

    Solar Energy   184   84 - 89   2019.5

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  • Design of low-concentration static III-V/Si partial CPV module with 27.3% annual efficiency for car-roof application Reviewed

    Daisuke Sato**, リ カンファ, Kenji Araki, Taizo Masuda**, Masafumi Yamaguchi, Noboru Yamada**

    Progress in Photovoltaics   2019   1 - 10   2019.3

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  • Super-Multijunction Cell, A New Solar Cell Overcoming the Spectrum Loss of Multijunction Cells Reviewed

    Kenji Araki, リ カンファ, Nobuaki Kojima, Masafumi Yamaguchi

    グランド再生可能エネルギー国際会議論文集   45   2019.3

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  • How Does R&D on the Car-Roof PV Impact to the Entire PV Technologies? Reviewed

    Kenji Araki, リ カンファ, Nobuaki Kojima, Masafumi Yamaguchi

    グランド再生可能エネルギー国際会議論文集   39   2019.3

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  • Analysis of nonradiative recombination in quantum dot solar cells and materials Reviewed

    Lin Zhu**, リ カンファ, Masafumi Yamaguchi, Hidefumi Akiyama*, Yoshihiko Kanemitsu**, Kenji Araki, Nobuaki Kojima

    Progress in Photovoltaics   2019   1 - 7   2019.1

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  • XRD Pole Figure Analysis of In2Se3Zinc-Blende Like (ZBL) Van der Waals Template for Epitaxial GaAs Lift Off Reviewed

    Nobuaki Kojima, ワン ユ チェン, Kei Kawakatsu*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC7)   214 - 215   2018.11 (   ISSN:0160-8371 )

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  • Optimization of the Partially Radiative-coupling Multi-junction Solar Cells Considering Fluctuation of Atmospheric Conditions Reviewed

    Kenji Araki, Yasuyuki Ota**, リ カンファ, Kensuke Nishioka**, Masafumi Yamaguchi

    Proceedings of 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC7)   1661 - 1666   2018.11 (   ISSN:0160-8371 )

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  • Design and Evaluation of Low-concentration Static III-V/Si Partial CPV Module for Car-rooftop Application Reviewed

    Daisuke Sato**, リ カンファ, Kenji Araki, Taizo Masuda**, Masafumi Yamaguchi, Noboru Yamada**

    Proceedings of 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC7)   954 - 957   2018.11 (   ISSN:0160-8371 )

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  • Verification of uncertainty in CPV’s outdoor performance Reviewed

    Hiromu Saiki*, Takumi Sakai**, Kenji Araki, Yasuyuki Ota**, リ カンファ, Masafumi Yamaguchi, Kensuke Nishioka**

    Proceedings of 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC7)   949 - 953   2018.11 (   ISSN:0160-8371 )

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  • Achieving High Efficiency Static Low-Concentration Photovoltaic Module Using Hybrid Lens Arrays Reviewed

    リ カンファ, Kenji Araki, Masafumi Yamaguchi

    Proceedings of 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC7)   905 - 908   2018.11 (   ISSN:0160-8371 )

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  • Toward the Standardization of the Car-roof PV – The challenge to the 3-D Sunshine Modeling and Rating of the 3-D Continuously Curved PV Panel Reviewed

    Kenji Araki, Yasuyuki Ota*, Kensuke Nishioka*, Hiromi Tobita*, Liang Ji*, George Kelly**, Masafumi Yamaguchi

    Proceedings of 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC7)   368 - 373   2018.11 (   ISSN:0160-8371 )

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  • Low-Temperature grown Gallium Arsenide on Silicon by using Migration-Enhanced Epitaxy Reviewed

    ワン ユ チェン, Akio Yamamoto*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC7)   264 - 267   2018.11 (   ISSN:0160-8371 )

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  • Curve-Correction Factor for Characterization of the Output of a Three-Dimensional Curved Photovoltaic Module on a Car Roof Reviewed

    Yasuyuki Ota*, Taizo Masuda**, Kenji Araki, Masafumi Yamaguchi

    Coatings   8 ( 12 )   432   2018.11

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  • Design and Evaluation of a III-V/Si Partial CPV Module for Maximization of Power Generation per Unit Module Area Reviewed

    Daisuke Sato**, リ カンファ, Kenji Araki, Masafumi Yamaguchi, Noboru Yamada**

    IEEE JOURNAL OF PHOTOVOLTAICS   9 ( 1 )   147 - 153   2018.11

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  • InGaP/GaAs/ITO/Si Hybrid Triple-Junction Cells with GaAs/ITO Bonding Interfaces Reviewed

    Naoteru Shigekawa*, Tomoya Hara*, Tomoki Ogawa*, Jianbo Liang**, Takefumi Kamioka**, Kenji Araki, Masafumi Yamaguchi

    Proceedings of 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC44)   2548 - 2550   2018.11

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  • CPV Technologies Not Relying on Perfection of Trackers Reviewed

    Kenji Araki, Yasuyuki Ota**, リ カンファ, Kensuke Nishioka**, Masafumi Yamaguchi

    Proceedings of 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC44)   1479 - 1484   2018.11

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  • Proposal of the Bandgap Design Using the Sun Height of the Culmination on the Winter Solstice Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    Proceedings of 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC44)   412 - 416   2018.11

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  • Design and Evaluation of Partial Concentration III-V/Si Module with Enhanced Diffuse Sunlight Transmission Reviewed

    Daisuke Sato**, Noboru Yamada**, リ カンファ, Kenji Araki, Masafumi Yamaguchi

    Proceedings of 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC44)   1743 - 1746   2018.11

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  • Generalized Numerical Design of Axially-asymmetrical and Grid-arranged Static CPV Array for Maximizing Annual Energy Generation Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    Proceedings of 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC44)   1714 - 1718   2018.11

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  • Analyzing the Cost Reduction Potential of III-V/Si Hybrid Concentrator Photovoltaic Systems Reviewed

    リ カンファ, Kenji Araki, Masafumi Yamaguchi

    Proceedings of 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC44)   1711 - 1713   2018.11

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  • Analysis for Non-Radiative Recombination in Quantum Dot Solar Cells and Materials Reviewed

    Lin Zhu**, リ カンファ, Masafumi Yamaguchi, Hidefumi Akiyama*, Yoshihiko Kanemitsu**, Kenji Araki, Nobuaki Kojima

    Proceedings of the 35th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2018)   6 - 11   2018.11

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  • Super-Multijunction Cell, A New Solar Cell Overcoming the Spectrum Loss of Multijunction Cells Reviewed

    Kenji Araki, リ カンファ, Nobuaki Kojima, Masafumi Yamaguchi

    Grand Renewable Energy 2018 Proceedings   O - Pv   2018.10

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  • How Does R&D on the Car-Roof PV Impact to the Entire PV Technologies? Reviewed

    Kenji Araki, リ カンファ, Nobuaki Kojima, Masafumi Yamaguchi

    Grand Renewable Energy 2018 Proceedings   O - Pv   2018.10

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  • Breaking the Limit of the Acceptance Angle of the Solar Concentrators Within the 2nd Law of Thermodynamics Reviewed

    Daisuke Sato*, Akihiro Abe**, Kenji Araki, リ カンファ, Noboru Yamada**, Masafumi Yamaguchi

    Grand Renewable Energy 2018 proceedings   O - Pv   2018.10

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  • Analysis for efficiency potential of crystalline Si solar cells Reviewed

    Masafumi Yamaguchi, リ カンファ, Kenji Araki, Nobuaki Kojima, Yoshio Ohshita

    Journal of Materials Research   33 ( 17 )   2621 - 2626   2018.9

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  • Achieving Wide-Acceptance Angle and High On-Axis Performance Static Low-Concentration Module Using Hybrid Lens Arrays Reviewed

    リ カンファ, Kenji Araki, Nobuaki Kojima, Masafumi Yamaguchi

    AIP Conference Proceedings   2012   040006   2018.9

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  • The Possibility of the Static LCPV to Mechanical-stack III-V//Si Module Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    AIP Conference Proceedings   2012   090002   2018.9

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  • Analysis of Fluctuation of Atmospheric Parameters and its Impact on Performance of CPV Reviewed

    Kenji Araki, Yasuyuki Ota**, リ カンファ, Takumi Sakai*, Kensuke Nishioka**, Masafumi Yamaguchi

    AIP Conference Proceedings   2012   080002   2018.9

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  • To Do List for Research and Development and International Standardization to Achieve the Goal of Running a Majority of Electric Vehicles on Solar Energy Reviewed

    Kenji Araki, Liang Ji*, George Kelly**, Masafumi Yamaguchi

    Coatings   8 ( 7 )   251   2018.7

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  • Evaluation and optimization of coating for wide acceptance angle concentrator photovoltaic module Reviewed

    Nawwar Ahmad*, Yasuyuki Ota**, Kenji Araki, リ カンファ, Masafumi Yamaguchi, Kensuke Nishioka**

    Japanese Journal of Applied Physics   57 ( 8S3 )   08RD02   2018.6

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  • GaAs/Indium Tin Oxide/Si Bonding Junctions for III-V-on-Si Hybrid Multijunction Cells With Low Series Resistance Reviewed

    Naoteru Shigekawa*, Tomoya Hara*, Tomoki Ogawa*, Jianbo Liang*, Takefumi Kamioka**, Kenji Araki, Masafumi Yamaguchi

    IEEE Journal of Photovoltaics   8 ( 3 )   879 - 886   2018.5

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  • Proposal of the Bandgap Design Using the Sun Height of the Culmination on the Winter Solstice Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    Proceedings of the 44th IEEE Photovoltaic Specialists Conference (PVSC44)   2018.3

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  • Generalized Numerical Design of Axially-asymmetrical and Grid- arranged Static CPV array for Maximizing Annual Energy Generation Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    Proceedings of the 44th IEEE Photovoltaic Specialists Conference (PVSC44)   2018.3

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  • Pypvcell: An Open-Source Solar Cell Modeling Library in Python Reviewed

    リ カンファ, Kenji Araki, オマル エルツチ, Nobuaki Kojima, Masafumi Yamaguchi

    Proceedings of the 44th IEEE Photovoltaic Specialists Conference (PVSC44)   2018.3

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  • Design Arithmetic of the Lateral III-V / Si Hybrid Module Reviewed

    Kenji Araki, Kyotaro Nakamura*, ワン ユ チェン, Nobuaki Kojima, Atsushi Ogura*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 44th IEEE Photovoltaic Specialists Conference (PVSC44)   2018.3

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  • CPV Technologies Not Relying on Perfection of Trackers Reviewed

    Kenji Araki, Yasuyuki Ota*, リ カンファ, Kensuke Nishioka*, Masafumi Yamaguchi

    Proceedings of the 44th IEEE Photovoltaic Specialists Conference (PVSC44)   2018.3

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  • Analyzing the Cost Reduction Potential of III-V/Si Hybrid Concentrator Photovoltaic Systems Reviewed

    リ カンファ, Kenji Araki, Masafumi Yamaguchi

    Proceedings of the 44th IEEE Photovoltaic Specialists Conference (PVSC44)   2018.3

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  • Design and Evaluation of Partial Concentration III–V/Si Module with Enhanced Diffuse Sunlight Transmission Reviewed

    Daisuke Sato, Noboru Yamada*, リ カンファ, Kenji Araki, Masafumi Yamaguchi

    Proceedings of the 44th IEEE Photovoltaic Specialists Conference (PVSC44)   2018.3

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  • Analysis of future generation solar cells and materials Reviewed

    Masafumi Yamaguchi, Lin Zhu*, Hidefumi Akiyama*, Yoshihiko Kanemitsu*, Hitoshi Tampo*, Hajime Shibata**, リ カンファ, Kenji Araki, Nobuaki Kojima

    Japanese Journal of Applied Physics   57 ( 4S )   04FS03   2018.2

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  • Electrical conduction of Si/indium tin oxide/Si junctions fabricated by surface activated bonding Reviewed

    Jianbo Liang, Tomoki Ogawa, Tomoya Hara*, Kenji Araki, 神岡 武文, Naoteru Shigekawa*, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   57 ( 2S1 )   02BE03   2018.1

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  • Analysis for efficiency potential of high‐efficiency and next‐ generation solar cells Reviewed

    Masafumi Yamaguchi, リ カンファ, Kenji Araki, Nobuaki Kojima, Hiroyuki Yamada*, Yasuhiro Katsumata**

    Progress in Photovoltaics: Research and Applications   543 - 552   2017.11

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  • Novel Epitaxial GaAs Lift-Off Approach via van der Waals Interface in In2Se3 Buffer Layer Reviewed

    Nobuaki Kojima, Li Wang*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 33rd European Photovoltaic Solar Energy Conference and Exhibition   1295 - 1297   2017.11 ( ISBN:3-936338-47-7 )

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  • Experimental analysis and simulation of a production line for CPV modules: impact of defects, misalignments, and binning of receivers Reviewed

    Rebeca Herrero, Ignacio Anton, Marta Victoria, Cesar Dominguez, Stephen Askins, Gabriel Sala, Davide De Nardis*, Kenji Araki, Masafumi Yamaguchi

    Energy Science & Engineering   5 ( 5 )   241 - 317   2017.10

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  • Outdoor validation of the 30 minutes intermittent tracking of 100 x CPV Reviewed

    Kenji Araki, Yasuyuki Ota **, リ カンファ, Kensuke Nishioka **, Masafumi Yamaguchi

    AIP Conference Proceedings   1881   020002   2017.9 ( ISBN:978-0-7354-1561-4 )

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  • Design of the partial concentrator lens for III-V on Si static concentration Reviewed

    Kenji Araki, Yasuyuki Ota **, リ カンファ, Kensuke Nishioka **, Masafumi Yamaguchi

    AIP Conference Proceedings   1881   030001   2017.9 ( ISBN:978-0-7354-1561-4 )

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  • Impact of the atmospheric conditions to the bandgap engineering of multi-junction cells for optimization of the annual energy yield of CPV Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    AIP Conference Proceedings   1881   070002   2017.9 ( ISBN:978-0-7354-1561-4 )

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  • Is it CPV? Yes, but it is a partial CPV Reviewed

    Kenji Araki, Yasuyuki Ota **, リ カンファ, Kensuke Nishioka **, Masafumi Yamaguchi

    AIP Conference Proceedings   1881   080001   2017.9 ( ISBN:978-0-7354-1561-4 )

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  • Quantifying the potential of III-V/Si partial concentrator by a statistical approach Reviewed

    リ カンファ, Kenji Araki, Yasuyuki Ota*, Kensuke Nishioka**, Masafumi Yamaguchi

    AIP Conference Proceedings   1881   080007   2017.9 ( ISBN:978-0-7354-1561-4 )

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  • Monte Carlo simulation to analyze the performance of CPV modules Reviewed

    Rebeca Herrero*, Ignacio Anton*, Gabriel Sala*, Davide De Nardis**, Kenji Araki, Masafumi Yamaguchi

    AIP Conference Proceedings   1881   090001   2017.9 ( ISBN:978-0-7354-1561-4 )

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  • Optical and thermal simulation for wide acceptance angle CPV module Reviewed

    Nawwar Ahmad*, Yasuyuki Ota**, Kenji Araki, リ カンファ, Masafumi Yamaguchi, Kensuke Nishioka **

    AIP Conference Proceedings   1881   020001   2017.9 ( ISBN:978-0-7354-1561-4 )

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  • Estimation of conversion efficiency for partially static concentrator with III-V on Si solar cell Reviewed

    Yasuyuki Ota **, Kenji Araki, リ カンファ, Masafumi Yamaguchi, Kensuke Nishioka **

    AIP Conference Proceedings   1881   020010   2017.9 ( ISBN:978-0-7354-1561-4 )

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  • Bandgaps of multi-junction solar cells potentially determined at the sun height of the culmination on the winter solstice Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    Solar Energy   153   445 - 453   2017.9

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  • Towards Creation of Mobility Society Using Solar Energy Reviewed

    Masafumi Yamaguchi, リ カンファ, Kenji Araki, Nobuaki Kojima, Taizo Masuda*, Kazutaka Kimura*, Akinori Satou*, Hiroyuki Yamada**

    Proc. 2017 the 5th IEEE International Conference on Smart Energy Grid Engineering   394 - 399   2017.8 ( ISBN:978-1-5386-1774-8 )

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  • Effect of substrate orientation on strain relaxation mechanisms of InGaAs layer grown on vicinal GaAs substrates measured by in situ X-ray diffraction Reviewed

    鈴木秀俊 **, Takuo Sasaki **, 高橋正光 **, Yoshio Ohshita, Nobuaki Kojima, 神谷 格, 福山敦彦 **, 碇哲雄 **, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   56   08MA06   2017.7

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  • N-H related defect playing the role of acceptor in GaAsN grown by chemical beam epitaxy Reviewed

    オマル エルツチ, Li Wang*, リ カンファ, Kazuma Ikeda*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Crystal Growth   468   581 - 584   2017.6

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  • 1-D and 2-D Monte Carlo simulations for analysis of CPV module characteristics including the acceptance angle impacted by assembly errors Reviewed

    Kenji Araki, Hirokazu Nagai **, Rebeca Herrero*, Ignacio Anton*, Gabriel Sala**, リ カンファ, Masafumi Yamaguchi

    Solar Energy   147   448 - 454   2017.5

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  • Static concentrator photovoltaics for automotive applications Reviewed

    Taizo Masuda **, Kenji Araki, Kenichi Okumura*, Shinichi Urabe*, Yuki Kudo*, Kazutaka Kimura*, Takashi Nakado*, Akinori Sato**, Masafumi Yamaguchi

    Solar Energy   146   523 - 531   2017.4

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  • Analysis of impact to optical environment of the land by flat-plate and array of tracking PV panels Reviewed

    Kenji Araki, Hirokazu Nagai*, リ カンファ, Masafumi Yamaguchi

    Solar Energy   144   278 - 285   2017.3

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  • Why are acceptance angle of Pm and Isc different in spite of uniform illumination onto concentrator solar cells? Reviewed

    Kenji Araki, Rebeca Herrero, Ignacio Anton, Gabriel Sala, Hirokazu Nagai*, リ カンファ, Masafumi Yamaguchi

    Proceedings of the 43th IEEE Photovoltaic Specialists Conference (PVSC43)   549 - 553   2016.11 ( ISBN:978-1-5090-2724-8 )

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  • Fabrication and performance analysis of a mechanical stack InGaP/GaAs//Si solar cell Reviewed

    リ カンファ, Kyotaro Nakamura*, 神岡 武文, Nobuaki Kojima, リ ヒュンジュ, ワン リー, Kenji Araki, Yoshio Ohshita, Atsuhi Ogura*, Masafumi Yamaguchi

    Proceedings of the 43th IEEE Photovoltaic Specialists Conference (PVSC43)   1957 - 1959   2016.11 ( ISBN:978-1-5090-2724-8 )

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  • Assessing material qualities and efficiency limits of III-V on silicon solar cells using external radiative efficiency Reviewed

    リ カンファ, Kenji Araki, ワン リー, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 43th IEEE Photovoltaic Specialists Conference (PVSC43)   1906 - 1908   2016.11 ( ISBN:978-1-5090-2724-8 )

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  • Degradation mechanisms of InGaP solar cells by irradiation with less than 100 keV electrons Reviewed

    Yasuki Okuno, Shuichi Okuda, Masafumi Akiyoshi, Takashi Oka, Shirou Kawakita, Mitsuru Imaizumi, Hiroaki Kusawake*, リ カンファ, Masafumi Yamaguchi

    Proceedings of the 43th IEEE Photovoltaic Specialists Conference (PVSC43)   2596 - 2600   2016.11 ( ISBN:978-1-5090-2724-8 )

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  • Next environment-friendly cars: Application of solar power as automobile energy source Reviewed

    Taizo Masuda*, Kenji Araki, Kenichi Okumura, Shinich Urabe, Yuki Kudo, Kazutaka Kimura, Takashi Nakado, Akinori Satou*, Masafumi Yamaguchi

    Proceedings of the 43th IEEE Photovoltaic Specialists Conference (PVSC43)   581 - 584   2016.11 ( ISBN:978-1-5090-2724-8 )

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  • Possibility of CPV for automobile energy source Reviewed

    Kenji Araki, Yasuyuki Ota, Kazuma Ikeda, Kensuke Nishioka*, Masafumi Yamaguchi

    Proceedings of the 43th IEEE Photovoltaic Specialists Conference (PVSC43)   554 - 559   2016.11 ( ISBN:978-1-5090-2724-8 )

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  • An innovative design approach for static concentrators with large aperture area suitable to automobile application Reviewed

    Kazuma Ikeda*, Kenji Araki, Yasuyuki Ota*, リ カンファ, Kensuke Nishioka*, Masafumi Yamaguchi

    Proceedings of the 43th IEEE Photovoltaic Specialists Conference (PVSC43)   566 - 569   2016.11 ( ISBN:978-1-5090-2724-8 )

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  • Optimization of Static Concentrator Photovoltaics with Aspherical Lens for Automobile Reviewed

    Yasuyuki Ota, Kensuke Nishioka*, Kenji Araki, Kazuma Iked*, リ カンファ, Masafumi Yamaguchi

    Proceedings of the 43th IEEE Photovoltaic Specialists Conference (PVSC43)   570 - 573   2016.11 ( ISBN:978-1-5090-2724-8 )

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  • Study on Tolerance Control for Optical Alignment of CPV Modules Using a Monte Carlo Simulation Reviewed

    Kenji Araki, Hirokazu Nagai*, リ カンファ, Masafumi Yamaguchi

    AIP Conference Proceedings   1766   090003 - 1–090003   2016.9 ( ISBN:978-0-7354-1424-2 )

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  • Possibility of Static Low Concentrator PV Optimized for Vehicle Installation Reviewed

    Kenji Araki, Yasuyuki Ota, Kazuma IKeda*, リ カンファ, Kensuke Nishioka*, Masafumi Yamaguchi

    AIP Conference Proceedings   1766   020001 - 1–020001   2016.9 ( ISBN:978-0-7354-1424-2 )

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  • Intermittent Tracking (30 Minutes Interval) Using a Wide Acceptance CPV Module Reviewed

    Kenji Araki, Yasuyuki Ota*, リ カンファ, Kensuke Nishioka*, Masafumi Yamaguchi

    AIP Conference Proceedings   1766   050001 - 1–050001   2016.9 ( ISBN:978-0-7354-1424-2 )

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  • Which is Optimum Tracker Allocation, Checkerboard or Rectangular Grid? Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    AIP Conference Proceedings   1766   070001 - 1–070001   2016.9 ( ISBN:978-0-7354-1424-2 )

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  • Possibility of Solar Station to EV Reviewed

    Kenji Araki, Hirokazu Nagai*, Masafumi Yamaguchi

    AIP Conference Proceedings   1766   080001 - 1–080001   2016.9 ( ISBN:978-0-7354-1424-2 )

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  • Analysis of Impact to Optical Environment of the Land by CPV Reviewed

    Kenji Araki, リ カンファ, Masafumi Yamaguchi

    AIP Conference Proceedings   1766   090002 - 1–090002   2016.9 ( ISBN:978-0-7354-1424-2 )

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  • Design and Development of Dome-Shaped Fresnel Lens Reviewed

    Kenji Araki, Hirokazu Nagai*, リ カンファ, Kazuma Ikeda*, Masafumi Yamaguchi

    IEEE JOURNAL OF PHOTOVOLTAICS   6 ( 5 )   1339 - 1344   2016.9 (   ISSN:2156-3381 )

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  • Off-Axis Characteristics of CPV Modules Result From Lens-Cell Misalignment—Measurement and Monte Carlo Simulation Reviewed

    Kenji Araki, Hirokazu Nagai, Rebeca Herrero, Ignacio Anton, Gabriel Sala*, Masafumi Yamaguchi

    IEEE JOURNAL OF PHOTOVOLTAICS   6 ( 5 )   1353 - 1359   2016.9 (   ISSN:2156-3381 )

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  • Optimization of Land Use for a Multitracker System Using a Given Geometrical Site Condition Reviewed

    Kenji Araki, Hirokazu Nagai, Kazuma Ikeda*, リ カンファ, Masafumi Yamaguchi

    IEEE JOURNAL OF PHOTOVOLTAICS   6 ( 4 )   960 - 966   2016.7 (   ISSN:2156-3381 )

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  • Assessing material qualities and efficiency limits of III–V on silicon solar cells using external radiative efficiency Reviewed

    リ カンファ, Kenji Araki, ワン リー, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Progress in Photovoltaics: Research and Applications   24   1310 - 1318   2016.6

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  • Assessing Material Qualities and Efficiency Limits of III-V on Silicon Solar Cells Using External Radiative Efficiency Reviewed

    リ カンファ, Kenji Araki*, ワン リー, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Submitted for journal review. Preprint: arXiv.org   arXiv:1512.02056   2016.3

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  • Inhomogeneous nitrogen incorporation effects on the transport properties of GaAsN grown by CBE Reviewed

    ワン リー, Omar Elleuch semiconductor*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Crystal Growth   437   6 - 9   2016.1

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  • Potential and Activities of III-V/Si Tandem Solar Cells Reviewed

    Masafumi Yamaguchi, リ カンファ, Kenji Araki, Nobuaki Kojima, Yoshio Ohshita

    ECS Journal of Solid State Science and Technology   5 ( 2 )   Q68 - Q73   2015.12

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  • NGCPV: A New Generation of Concentrator Photovoltaic Cells, Modules and Systems (A Final Review) Reviewed

    A. Datas, A.B. Cristóbal, G. Sala, I. Antón, J.C. Miñano, P. Benitez, C. Algora, A.W. Bett, D. Lackner, M. Niemeyer, S.P. Philipps, G. Siefer, N. J. Ekins-Daukes, F. Roca, C. Cancro, I.Luque-Heredia, W. Warmuth, M. Baudrit, Y. Okada, M. Sugiyama, Y. Hishikawa, T. Takamoto*, Kenji Araki, A. Fukuyama, K. Nishioka, H. Suzuki, N. Kuze, Y. Moriyasu, T. Kita, A. Kotagiri*, Nobuaki Kojima, A. Martí*, Masafumi Yamaguchi, A. Luque*

    Proc. 31st European Photovoltaic Solar Energy Conference and Exhibition   1384 - 1391   2015.11

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  • Recent Progress of PV R&D Projects in Japan Reviewed

    Masafumi Yamaguchi, Hiroyuki Yamada*, Yasuhiro katsumata*

    Proc. 31st European Photovoltaic Solar Energy Conference and Exhibition   3194 - 3197   2015.11

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  • Prospect of InGaAsN Solar Cells Grown by Chemical Beam Epitaxy for High-Efficiency Multi-Junction Solar Cells Reviewed

    リ カンファ, Omar Elleuch*, Kazuma Ikeda*, ワン リー, Koshiro Demizu*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 42th IEEE Photovoltaic Specialists Conference (PVSC42)   2015.10

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  • Summary of Europe-Japan Collaborative Research on Concentrator Photovoltaics Reviewed

    Masafumi Yamaguchi, Antonio Luque*

    Proc. 42th IEEE Photovoltaic Specialists Conference (PVSC42)   2015.10

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  • Structure of the Acceptor Defects in P-type GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Omar Elleuch*, ワン リー, リ カンファ, Koshiro Demizu*, Kazuma Ikeda*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 42th IEEE Photovoltaic Specialists Conference (PVSC42)   2015.10

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  • Suppression of Twin Formation in Layered In2Se3 Grown on GaAs(111) Reviewed

    Nobuaki Kojima, Hiroya Nakamura*, Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 42th IEEE Photovoltaic Specialists Conference (PVSC42)   2015.10

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  • Effects of Arsenic Source Molecule on N-H related Defects Formation in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Yoshio Ohshita, Koshiro Demizu*, Omar Elleuch*, Kazuma Ikeda*, Nobuaki Kojima, Hideaki Machida, Hiroshi Sudoh*, Masafumi Yamaguchi

    Proc. 42th IEEE Photovoltaic Specialists Conference (PVSC42)   2015.10

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  • Double acceptor in p-type GaAsN grown by chemical beam epitaxy Reviewed

    Omar Elleuch*, ワン リー, リ カンファ, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Crystal Growth   432   45 - 48   2015.9

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  • Annealing effects on recombinative activity of nickel at direct silicon bonded interface Reviewed

    Takuto Kojima*, Yoshio Ohshita, Masafumi Yamaguchi

    AIP Advances   5 ( 9 )   097140   2015.9

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  • Identification of N‒H related acceptor defects in GaAsN grown by chemical beam epitaxy using hydrogen isotopes Reviewed

    Omar Elleuchi*, ワン リー, リ カンファ, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Alloys and Compounds   649   815 - 818   2015.7

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  • Origin of recombination activity at small angle grain boundaries in multicrystalline silicon using multi-seed casting growth method Reviewed

    Takuto Kojima*, Tomihisa Tachibana*, Yoshio Ohshita, Ronit R. Prakash*, Takashi Sekiguchi*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   54   08KD16   2015.7

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  • Fundamentals and R&D status of III-V compound solar cells and materials Reviewed

    Masafumi Yamaguchi

    physica status solidi (c)   12 ( 6 )   489 - 499   2015.4

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  • Fundamentals and R&D status of III-V compound solar cells and materials Reviewed

    Masafumi Yamaguchi

    Physica Status Solidi C   12 ( 6 )   489 - 499   2015.4

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  • Effects of source gas molecules on N–H- and N–D-related defect formations in GaAsN grown by chemical beam epitaxy Reviewed

    池田 和磨, Yoshio Ohshita, Tomohiro Tanaka*, Takahiko Honda*, Makoto Inagaki*, Koshiro Demizu*, Nobuaki Kojima, Hidetoshi Suzuki*, Hideaki Machida,Hiroshi Sudoh*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   54 ( 4 )   041001   2015.3

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  • Hole traps associated with high-concentration residual carriers in p-type GaAsN grown by chemical beam epitaxy Reviewed

    Omar Elleuch*, ワン リー, リ カンファ, Koshiro Demizu*, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Applied Physics   117   045712   2015.1

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  • Overview of PV R&D Project in Japan Reviewed

    Masafumi Yamaguchi, H. Yamada*, Y. Fujioka*

    Proc. 29th European Photovoltaic Solar Energy Conference and Exhibition   3961 - 3964   2014.11

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  • Overview of Loss Mechansims for Super High-Efficiency Multijunction Solar Cells Reviewed

    Masafumi Yamaguchi, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Tatsuya Takamoto*

    Proc. 29th European Photovoltaic Solar Energy Conference and Exhibition   2050 - 2053   2014.11

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  • Growth of (InXGa1-X)2Se3 Buffer Material for Spalling a III-V Overlayer via Van Der Waals Interface Reviewed

    Nobuaki Kojima, Hiroya Nakamura*,Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 29th European Photovoltaic Solar Energy Conference and Exhibition   2063 - 2065   2014.11

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  • Analysis of the main acceptor defect in p-type GaAsN grown by chemical beam epitaxy Reviewed

    Omar Elleuch*, Boussairi Bouzazi*, Hiroyuki Kowaki*, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   53 ( 9 )   091201   2014.8

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  • Correlations between N–H local vibrational modes in GaAsN grown by chemical beam epitaxy Reviewed

    池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   53 ( 7 )   071001   2014.6 (   ISSN:1347-4065 )

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  • Wagging and stretching modes of N–H complexes in GaAsN grown by chemical beam epitaxy Reviewed

    Koshiro Demizu*, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   53   05FV02   2014.4 (   ISSN:1347-4065 )

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  • Nickel distribution and recombination activity in as-grown and annealed multicrystalline silicon Reviewed

    Takuto Kojima*, 立花 福久, Nobuaki Kojima, Yoshio Ohshita, Koji Arafune*, Atsushi Ogura*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   53 ( 4S )   04ER20   2014.3 (   ISSN:1347-4065 )

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  • Effect of surface morphology on the density of energy states in GaAsN grown by chemical beam epitaxy Reviewed

    ブザイリ ブザジ, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   53 ( 4 )   04ER08   2014.2

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  • N–H related defects in GaAsN grown through chemical beam epitaxy Reviewed

    Yoshio Ohshita, 池田 和磨, Hidetoshi Suzuki*, Hideaki Machida*, Hiroshi Sudoh*, Tomohiro Tanaka*, Takahiko Honda*, Makoto Inagaki*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   53 ( 3 )   031001   2014.2

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  • Importance of Photovoltaics Learned from the Fukushima Nuclear Power Plant Accident in Japan Reviewed

    Masafumi Yamaguchi, Yoshio Ohshita, Koji Arafune*

    Proc. 28th European Photovoltaic Solar Energy Conference and Exhibition   4623 - 4628   2013.12

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  • NGCPV: A New Generation of Concentrator Photovoltaic Cells, Modules and Systems Reviewed

    A.Datas , A.B. Cristóbal , G. Sala , I. Antón, J.C. Miñano, P. Benitez*, A.W. Bett, G.Siefer, N. J. Ekins-Daukes*, F.Roca, C. Cancro, I.Luque-Heredia, W. Warmuth, M. Baudrit*, Y. Okada, M. Sugiyama, Y. Hishikawa*, T.Takamoto, K. Araki, A. Fukuyama, K. Nishioka, H. Suzuki*, N. Kuze, Y. Moriyasu, T. Kita, A. Kotagiri*, Nobuaki Kojima, A.Martí*, Masafumi Yamaguchi, A. Luque*

    Proc. 28th European Photovoltaic Solar Energy Conference and Exhibition   88 - 93   2013.12

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  • Preferential N-H bond direction in GaAsN grown by chemical beam epitaxy Reviewed

    池田 和磨, Makoto Inagaki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    physica status solidi   10 ( 11 )   1513 - 1516   2013.10

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  • Effect of arsenic source flow rate on the lattice defects in GaAsN grown by chemical beam epitaxy Reviewed

    ブザイリ ブザジ, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    physica status solidi   10 ( 11 )   1477 - 1480   2013.9 (   ISSN:1862-6270 )

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  • Ga2Se3 and (InGa)2Se3 as novel buffer layers in the GaAs on Si system Reviewed

    Nobuaki Kojima, Crisóforo Morales*, Yoshio Ohshita, Masafumi Yamaguchi

    AIP Conference Proceedings   1556   38 - 40   2013.9

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  • Analysis of defects in GaAsN grown by chemical beam epitaxy on high index GaAs substrates Reviewed

    ブザイリ ブザジ, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    AIP Conference Proceedings   1556   30 - 33   2013.9 ( ISBN:978-0-7354-1182-1 )

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  • Optical DLTS for the study of recombination centers in GaAsN grown by chemical beam epitaxy Reviewed

    Hiroyuki Kowaki*, Kan-Hua Lee*, Takuto Kojima*, Makoto Inagaki*, 池田 和磨, ブザイリ ブザジ, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi, N.J. Ekins-Daukes*

    AIP Conference Proceedings   1556   41 - 44   2013.9 ( ISBN:978-0-7354-1182-1 )

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  • Real-time observation of crystallographic tilting InGaAs layers on GaAs offcut Substrates Reviewed

    Toshiaki Nishi*, Takuo Sasaki*, 池田 和磨, Hidetoshi Suzuki*, Masamitu Takahasi*, Kenichi Shimomura*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    AIP Conference Proceedings   1556   14 - 17   2013.9 ( ISBN:978-0-7354-1182-1 )

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  • Effect of electron and proton irradiation on recombination centers in GaAsN grown by chemical beam epitaxy Reviewed

    ブザイリ ブザジ, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Current Applied Physics   13 ( 7 )   1269 - 1274   2013.9

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  • III-V-N Materials for Super High Efficiency Multi-junction Solar Cells Reviewed

    池田 和磨, Masafumi Yamaguchi, ブザイリ ブザジ, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita

    Japanese Journal of Applied Physics   52 ( 8 )   08JH11   2013.7

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  • Analysis of Current Transport Mechanisms in GaAsN Homojunction Solar Cell Grown by Chemical Beam Epitaxy Reviewed

    ブザイリ ブザジ, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    IEEE JOURNAL OF PHOTOVOLTAICS   3 ( 2 )   909 - 915   2013.4 (   ISSN:2156-3381 )

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  • Capacitance-voltage and current-voltage characteristics for the study of high background doping and conduction mechanisms in GaAsN grown by chemical beam epitaxy Reviewed

    ブザイリ ブザジ, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Alloys and Compounds   552   469 - 474   2013.3 (   ISSN:0925-8388 )

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  • High electron mobility in Ga(In)NAs films grown by molecular beam epitaxy Reviewed

    Naoya Miyashita*, Nazmul Ahsan*, Makoto Inagaki*, Muhammad Monirul Islam*, Masafumi Yamaguchi, Yoshitaka Okada*

    Applied Physics Letters   101 ( 22 )   222112   2012.11

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  • Improving Crystallinity of Thin Si Film for Low-Energy-Loss Micro-/Nano-Electromechanical Systems Devices by Metal-Induced Lateral Crystallization Using Biomineralized Ni Nanoparticles Reviewed

    Shinya Kumagai , Hiromu Murase*, Syusuke Miyachi*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi, Ichiro Yamashita*, Yukiharu Uraoka*, Minoru Sasaki

    Japanese Journal of Applied Physics   51 ( 11 )   11PA03   2012.11 (   ISSN:1347-4065 )

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  • NGCPV: A NEW GENERATION OF CONCENTRATOR PHOTOVOLTAIC CELLS, MODULES AND SYSTEMS Reviewed

    A.B. Cristóbal, A. Martí, G. Sala*, A. Bett, N. J. Ekins-Daukes*, F. Roca, I. Luque-Heredia*, W. Warmuth, J. Merten*, Y. Okada, Y. Hishikawa*, T. Takamoto, K. Araki*, A. Fukuyama, N. Kuze*, T. Kita, A. Kotagiri*, Masafumi Yamaguchi, A. Luque*

    Proc. 27th European Photovoltaic Solar Energy Conference and Exhibition   244 - 248   2012.11 ( ISBN:3-936338-28-0 )

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  • TOWARD FURTHER DEVELOPMENT OF PHOTOVOLTAICS TO OVERCOME CURRENT PROBLEMS OCCUURED BYNUCLEAR POWER PLANTS IN JAPAN Reviewed

    Masafumi Yamaguchi, Yoshio Ohshita

    Proc. 37th IEEE Photovoltaic Specialists Conference (PVSC37)   3298 - 3301   2012.10 ( ISBN:978-1-4244-9964-9   ISSN: 0160-8371 )

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  • NITROGEN-RELATED DEFECTS AND THEIR EFFECT ON THE ELECTRICAL PROPERTIES OF GaAsN GROWN BY CHEMICAL BEAM EPITAXY Reviewed

    ブザイリ ブザジ, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 37th IEEE Photovoltaic Specialists Conference (PVSC37)   454 - 458   2012.10

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  • LOWERING SYMMETRY AROUND N-CLUSTER BY BREAKING Ga-N BOND IN GaAsN Reviewed

    池田 和磨, Makoto Inagaki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 37th IEEE Photovoltaic Specialists Conference (PVSC37)   489 - 492   2012.10 ( ISBN:978-1-4244-9964-9   ISSN: 0160-8371 )

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  • EFFECT OF N-INDUCED SCATTERING CENTERS ON ELECTRON MOBILITY IN CBE GROWN GaAsN FILMS Reviewed

    Makoto Inagaki*, Shunsuke Kimura*, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 37th IEEE Photovoltaic Specialists Conference (PVSC37)   493 - 495   2012.10 ( ISBN:978-1-4244-9964-9   ISSN: 0160-8371 )

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  • IDENTIFICATION OF HYDROGEN INCORPORATION INTO GaAsN BY GROWTH WITH DEUTERATED PRECURSORS Reviewed

    Suguru Wada*, Tomohiro Tanaka*, Makoto Inagaki*, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 37th IEEE Photovoltaic Specialists Conference (PVSC37)   560 - 563   2012.10 ( ISBN:978-1-4244-9964-9   ISSN: 0160-8371 )

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  • POLYMER FORMATION IN CONDUCTIVE Mg-DOPED C60 FILMS Reviewed

    Nobuaki Kojima, Seiji Nishi*, クリソフォロ モラーレス, Masafumi Yamaguchi

    Proc. 37th IEEE Photovoltaic Specialists Conference (PVSC37)   723 - 725   2012.10 ( ISBN:978-1-4244-9964-9   ISSN: 0160-8371 )

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  • MODELLING OF QUANTUM DOT SOLAR CELLS FOR CONCENTRATOR PV APPLICATIONS Reviewed

    A. Ogura*, T. Morioka*, P. García-Linares*, E. Hernández*, I. Ramiro*, I. Artacho*, E. Antolín*, A. Martí, A. Luque*, Masafumi Yamaguchi, Y. Okada*

    Proc. 37th IEEE Photovoltaic Specialists Conference (PVSC37)   2642 - 2645   2012.10

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  • Nitrogen Related Deep Levels in GaAsN Films Investigated by a Temperature Dependence of Piezoelectric Photothermal Signal Reviewed

    Koshiro Kashima*, Atsuhiko Fukuyama*, Yosuke Nakano*, Makoto Inagaki*, Hidetoshi Suzuki*, Masafumi Yamaguchi, Tetsuo Ikari*

    Materials Science Forum (Volume725) Defects-Recognition, Imaging and Physics in Semiconductors XIV   725   93 - 96   2012.7 ( ISBN:978-3-03785-442-6   ISSN:0255-5476 )

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  • Distribution of Misfit Dislocations at the InGaAs/GaAs(001) Interface Observed by Monochromatic X-Ray Topography Reviewed

    Hidetoshi Suzuki*, Takuo Sasaki, Susumu Yamamoto*, Yoshio Ohshita, Atsuhiko Fukuyama*, Masafumi Yamaguchi

    Materials Science Forum (Volume725) Defects-Recognition, Imaging and Physics in Semiconductors XIV   725   85 - 88   2012.7 ( ISBN:978-3-03785-442-6   ISSN:0255-5476 )

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  • Effects of in Content on Anisotropies in Strain Relaxation Processes of InGaAs/GaAs (001) Measured by Real-Time Three-Dimensional Reciprocal Space Mapping Reviewed

    Hidetoshi Suzuki*, Takuo Sasaki, Masamitu Takahasi*, Yoshio Ohshita, Masafumi Yamaguchi

    Materials Science Forum (Volume725) Defects-Recognition, Imaging and Physics in Semiconductors XIV   725   89 - 92   2012.7 ( ISBN:978-3-03785-442-6   ISSN:0255-5476 )

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  • Structural and Molecular Changes of C60 Thin Films with Incorporated Magnesium Atoms Reviewed

    クリソフォロ モラーレス, Nobuaki Kojima, Seiji Nishi*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   51 ( 4 )   04DK08   2012.4

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  • Japanese R&D Activities of High Efficiency III-V Compound Multi-Junction and Concentrator Solar Cells Reviewed

    Masafumi Yamaguchi

    Energy Procedia   15   265 - 274   2012.4

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  • Observation of In-Plane Asymmetric Strain Relaxation during Crystal Growth and Growth Interruption in InGaAs/GaAs(001) Reviewed

    Takuo Sasaki, Kenichi Shimomura*, Hidetoshi Suzuki*, Masamitu Takahasi*, 神谷 格, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   51 ( 2 )   02BP01   2012.2

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  • Effect of Thermal Stress on a N-Related Recombination Center in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    ブザイリ ブザジ, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   51 ( 2 )   02BP02   2012.2

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  • Growth orientation dependent photoluminescence of GaAsN alloys Reviewed

    ハン シュウシュン, Tomohiro Tanaka*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi, Shinichiro Sato*

    Applied Physics Letters   100 ( 3 )   032108   2012.1

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  • Real-Time Structural Analysis of Compositionally Graded InGaAs/GaAs(001) Layers Reviewed

    Takuo Sasaki, Hidetoshi Suzuki*, Makoto Inagaki*, 池田 和磨, Kenichi Shimomura*, Masamitu Takahasi*, Miwa Kozu, Wen Hu*, 神谷 格, Yoshio Ohshita, Masafumi Yamaguchi

    IEEE Journal of Photovoltaics   2 ( 1 )   35 - 40   2012.1 (   ISSN:2156-3381 )

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  • X-ray reciprocal space mapping of dislocation-mediated strain relaxation during InGaAs/GaAs(001) epitaxial growth Reviewed

    Takuo Sasaki, Hidetoshi Suzuki*, Masamitu Takahashi*, Yoshio Ohshita, 神谷 格, Masafumi Yamaguchi

    Journal of Applied Physics   110 ( 11 )   113502   2011.12

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  • EFFECTS OF Ni AND Cu ON RECOMBINATION ACTIVITY OF (110)/ (100) DSB INTERFACE Reviewed

    Takuto Kojima*, Mari Aoki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 26th European Photovoltaic Solar Energy Conference and Exhibition   1489 - 1491   2011.10 ( ISBN:3-936338-27-2 )

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  • DEFECT ANALYSIS OF III-V-N MATERIALS FOR SUPER HIGH-EFFICIENCY MULTIJUNCTION SOLAR CELLS Reviewed

    Masafumi Yamaguchi, ブザイリ ブザジ, Hidetoshi Suzuki*, Yoshio Ohshita, Nobuaki Kojima, Tatsuya Takamoto*

    Proceedings of the 26th European Photovoltaic Solar Energy Conference and Exhibition   54 - 57   2011.10 ( ISBN:3-936338-27-2 )

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  • PHOTOLUMINESCENCE STUDY OF ELECTRON-IRRADIATED GaAsN LAYERS ON (311)A/B GaAs SUBSTRATES Reviewed

    ハン シュウシュン, Tomohiro Tanaka*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi, Shinichiro Sato*

    Proceedings of the 26th European Photovoltaic Solar Energy Conference and Exhibition   93 - 96   2011.10 ( ISBN:3-936338-27-2 )

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  • Effect of Low Growth Rate in Chemical Beam Epitaxy on Carrier Mobility and Lifetime of p-GaAsN Films Reviewed

    Takahiko Honda*, 池田 和磨, Makoto Inagaki*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   50 ( 8 )   08KD06   2011.8 (   ISSN:1347-4065 )

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  • Numerical Analysis for Radiation Resistant InGaP Solar Cell Reviewed

    Dalia Elfiky*, Masafumi Yamaguchi, Takuo Sasaki, Mohamed Elnawawy*, Tarek Eldesouky*, Ahmed Ghitas*

    Japanese Journal of Applied Physics   50 ( 7 )   072301   2011.7 (   ISSN:1347-4065 )

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  • Origin Investigation of a Nitrogen-Related Recombination Center in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    ブザイリ ブザジ, Jong-Han Lee*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   50 ( 1 )   051001   2011.5

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  • Growth temperature dependence of strain relaxation during InGaAs/GaAs(001) heteroepitaxy Reviewed

    Takuo Sasaki, Hidetoshi Suzuki*, Akihisa Sai*, Masamitu Takahasi*, Seiji Fujikawa*, 神谷 格, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Crystal Growth   323 ( 1 )   13 - 16   2011.5 (   ISSN:0022-0248 )

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  • Shallow Carrier Trap Levels in GaAsN Investigated by Photoluminescence Reviewed

    Makoto Inagaki*, Hidetoshi Suzuki*, Kazumasa Mutaguchi*, Atsuhiko Fukuyama*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   50 ( 4 )   04DP14   2011.4 (   ISSN:1347-4065 )

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  • Novel material for super high efficiency multi-junction solar cells Reviewed

    Yoshio Ohshita, Hidetoshi Suzuki*, Nobuaki Kojima, Tomohiro Tanaka*, Takahiko Honda*, Makoto Inagaki*, Masafumi Yamaguchi

    Journal of Crystal Growth   318 ( 1 )   328 - 331   2011.3

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  • Relationship between a nitrogen-related hole trap and ionized acceptors density in p-type GaAsN grown by chemical beam epitaxy Reviewed

    Boussairi Bouzazi*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Physica Status Solidi C   8 ( 2 )   616 - 618   2011.2 (   ISSN:1610-1642 )

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  • N incorporation and optical properties of GaAsN epilayers on (311)A/B GaAs substrates Reviewed

    ハン シュウシュン, Hidetoshi Suzuki*, ジョンハン リー, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Physics D: Applied Physics   44 ( 1 )   015402   2011.1 (   ISSN:0022-3727 )

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  • A recombination center in p-type GaAsN grown by chemical beam epitaxy Reviewed

    Boussairi Bouzazi*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Solar Energy Materials & Solar Cells   95 ( 1 )   281 - 283   2011.1

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  • Growth Temperature Dependence of Structure in Mg-doped C60 Films Reviewed

    Seiji Nishi*, Masato Natori*, Nobuaki Kojima, クリソフォロ モラーレス, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   001653 - 001656   2010.12

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  • Identification of N-H Related Defects in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Tomohiro Tanaka*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   002120 - 002124   2010.12

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  • Study the Effects of Proton Irradiation on GaAs/Ge Solar Cells Reviewed

    Dalia Elfiky*, Masafumi Yamaguchi, Takuo Sasaki, Tatsuya Takamoto*, Chiharu Morioka*, Mitsuru Imaizumi*, Takeshi Ohshima*, Shin-ichiro Sato*, Mohamed Elnawawy*, Tarek Eldesuky*

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   002528 - 002532   2010.12

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  • Thermal Annealing Study of Radiation Induced Defects in Nitride-Based Multi-Junction Solar Cell Structures Reviewed

    A.Khan*, D.A.Rahman*, S.Alsharif*, J.Gou*, A.Gapud*, Takuo Sasaki, M.Imaizumi*, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   002560 - 002562   2010.12

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  • Removal of a Possible Split Interstitial (N-As)As Recombination Center in GaAsN Grown by Chemical Beam Epitaxy Using Proton Implantation Reviewed

    Boussairi Bouzazi*, ジョンハン リー, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion   69 - 72   2010.12

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  • Atmospheric Considerations when Estimating the Energy Yield from III-V Photovoltaic Solar Concentrator Systems Reviewed

    T.B.Young*, A.Chan*, N.J.Ekins-Daukes*, K.Araki*, Y.Kemmoku*, Masafumi Yamaguchi

    Proceedings of the 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion   106 - 109   2010.12

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  • Recent R&D Topics on Concentrator Multi-Junction Solar Cells and Materials under Japanese Innovative Photovoltaic R&D Program since FY2008 Reviewed

    Masafumi Yamaguchi, Hidetoshi Suzuki*, Yoshio Ohshita, Nobuaki Kojima, Takamoto Tatsuya*

    Proceedings of the 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion   163 - 166   2010.12

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  • Effect of Doping with Magnesium on Structural, Optical and Electrical Properties of Epitaxial-Grown Mg-Doped C60 Thin Films Reviewed

    クリソフォロ モラーレス, Nobuaki Kojima, Masato Natori*, Naoki Ogata*, Seiji Nishi*, Masafumi Yamaguchi

    Proceedings of the 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion   781 - 783   2010.12

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  • Properties of a Nitrogen-Related Hole Trap Acceptor-Like State in p-Type GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Boussairi Bouzazi*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   49 ( 12 )   121001   2010.12

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  • Effect of Base Doping Concentration on Radiation-Resistance for GaAs Sub-Cells in InGaP/GaAs/Ge Reviewed

    Dalia Elfiky*, Masafumi Yamaguchi, Takuo Sasaki, Tatsuya Takamoto*, Chiharu Morioka*, Mitsuru Imaizumi*, Takeshi Ohshima*, Shin-ichiro Sato*, Mohamed Elnawawy*, Tarek Eldesoky、Ahmed Ghitas*

    Japanese Journal of Applied Physics   49 ( 12 )   121202   2010.12

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  • Theoretical Optimization of Base Doping Concentration for Radiation Resistance of InGaP Subcells of InGaP/GaAs/Ge Based on Minority-Carrier Lifetime Reviewed

    Dalia Elfiky*, Masafumi Yamaguchi, Takuo Sasaki, Tatsuya Takamoto*, Chiharu Morioka*, Mitsuru Imaizumi*, Takeshi Ohshima*, Shin-ichiro Sato*, Mohamed Elnawawy*, Tarek Eldesoky、Ahmed Ghitas*

    Japanese Journal of Applied Physics   49 ( 12 )   121201   2010.12

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  • In-situ 3D X-ray Reciprocal Space Mapping During Lattice-mismatched InGaAs/GaAs Growth Reviewed

    Takuo Sasaki, Hidetoshi Suzuki*, Akihisa Sai*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   000695 - 000698   2010.12 ( ISBN:978-1-4244-5891-2 )

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  • Recent R&D Topics on Concentrator Mutli-junction Solar Cells and Materials Under Innovative Solar Cells’ R&D Project Reviewed

    Masafumi Yamaguchi, Hidetoshi Suzuki*, Yoshio Ohshita, Nobuaki Kojima, Tatsuya Takamoto*

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   001237 - 001242   2010.12

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  • Electrical Properties and Boundary Structures in Cast-Grown Polycrystalline Silicon Reviewed

    Takuto Kojima*, Yoshio Ohshita, Tomihisa Tachibana*, Atsushi Ogura*, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   001419 - 001422   2010.12

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  • Electrical Conduction Properties of Mg-doped C60 Films Reviewed

    Nobuaki Kojima, Masato Natori*, クリソフォロ モラーレス, Seiji Nishi*, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   001650 - 001652   2010.12

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  • Study of GaAsN Thin Film Structures by X-ray Reciprocal Space Mapping for Multi-Junction Solar Cell Application Reviewed

    Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   002117 - 002119   2010.12

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  • Enhanced N Incorporation and Improved Optical Properties in GaAsN Epilayers by using High-Index GaAs Substrates Reviewed

    ハン シュウシュン, Hidetoshi Suzuki*, ジョンハン リー, Makoto Inagaki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   002050 - 002052   2010.12 ( ISBN:978-1-4244-5891-2 )

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  • Improvement of Minority Carrier Lifetime in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Takahiko Honda*, Makoto Inagaki*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   002053 - 002056   2010.12

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  • Origin of Near-Band-Edge Luminescence of GaAsN Reviewed

    Makoto Inagaki*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   002062 - 002065   2010.12

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  • Low Temperature Growth GaAs on Ge by Chemical Beam Epitaxy Reviewed

    ジョンハン リー, Hidetoshi Suzuki*, ハン シュウシュン, Makoto Inagaki*, 池田 和磨, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of the 35th IEEE Photovoltaic Specialists Conference (PVSC35)   002070 - 002073   2010.12

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  • Structural Analysis of GaAsN Thin Films Grown By Chemical Beam Epitaxy Using X-Ray Reciprocal Space Map Reviewed

    Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of International Symposium on Dry Process(DPS2010)   39 - 40   2010.11

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  • Improvement of Minority-Carrier Lifetime in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Takahiko Honda*, Makoto Inagaki*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of International Symposium on Dry Process(DPS2010)   37 - 38   2010.11

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  • Real-time observation of anisotropic strain relaxation by three-dimensional reciprocal space mapping during InGaAs/GaAs (001) growth Reviewed

    Hidetoshi Suzuki*, Takuo Sasaki, Akihisa Sai*, Yoshio Ohshita, 神谷 格, Masafumi Yamaguchi, Masamitsu Takahashi*, Seiji Fujikawa*

    Applied Physics Letters   97 ( 4 )   041906   2010.7

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  • Electrical and Structural Characterization of Epitaxial-Grown Mg-Doped C60 Thin Films Reviewed

    Nobuaki Kojima, Masato Natori*, Masafumi Yamaguchi

    ECS Transactions   25 ( 22 )   7 - 11   2010.6 (   ISSN:1938-5862 )

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  • In situ Study of Strain Relaxation Mechanisms During Lattice-mismatched InGaAs/GaAs Growth by X-ray Reciprocal Space Mapping Reviewed

    Takuo Sasaki, Hidetoshi Suzuki*, Akihisa Sai*, Masamitsu Takahashi*, Seiji Fujikawa*, Yoshio Ohshita, Masafumi Yamaguchi

    MRS Symposium Proceedings Defects in Inorganic Photovoltaic Materials   1268   45 - 50   2010.6

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  • Relation between N–H complexes and electrical properties of GaAsN determined by H implantation Reviewed

    Jong-Han Lee*, Hidetoshi Suzuki*, Xiuxun Han*, Takahiko Honda*, Tomohiro Tanaka*, Jong-Ha Hwang*, Boussairi Bouzazi、Makoto Inagaki*, Nobuaki Kojima,Yoshio Ohshita, Masafumi Yamaguchi

    Current Applied Physics   10 ( 3 )   431 - 434   2010.5

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  • Relation between N-H complexes and electrical properties of GaAsN determined by H implantation Reviewed

    ジョンハン リー, Hidetoshi Suzuki*, ハン シュウシュン, Takahiko Honda*, Tomohiro Tanaka*, Jong-Ha Hwang*, Boussairi Bouzazi、Makoto Inagaki*, Nobuaki Kojima,Yoshio Ohshita, Masafumi Yamaguchi

    Current Applied Physics   10 ( 3 )   431 - 434   2010.5 (   ISSN:1567-1739 )

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  • Nitrogen-Related Recombination Center in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Boussairi Bouzazi*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   49 ( 5 )   051001   2010.5

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  • Nitrogen Related Electron Trap with High Capture Cross Section in n-Type GaAsNGrown by Chemical Beam Epitaxy Reviewed

    Boussairi Bouzazi*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Applied Physics Express   3 ( 5 )   051002   2010.4

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  • Improvements in Optoelectrical Properties of GaAsN by Controlling Step Density during Chemical Beam Epitaxy Growth Reviewed

    Hidetoshi Suzuki*, Makoto Inagaki*, Takahiko Honda*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   49 ( 4 )   04DP08   2010.4

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  • Properties of Chemical Beam Epitaxy grown GaAs0.995N0.005 homo-junction solar cell Reviewed

    Boussairi Bouzazi 博士2*, Kenichi Nishimura 2007 博士満了*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Current Applied Physics.   10   S188 - S190   2010

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  • Flow modulation effect on N incorporation into GaAs(1−x)Nx films during chemical beam epitaxy growth Reviewed

    H. Suzuki*, K.Nishimura 2007博士満了*, K.Saito 2008修士修了*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Journal of Crystal Growth   311 ( 10 )   2821 - 2824   2009.5

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  • Crystal Structures of Copper–Phthalocyanine on C60(111) Surface Grown by Molecular Beam Epitaxy Reviewed

    Hidetoshi Suzuki*, Yusuke Yamashita 2004修士修了*, Nobuaki Kojima, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   48 ( 8 )   6879 - 6882   2009

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  • Effects of Residual Carbon and Hydrogen Atoms on Electrical Property of GaAsN Films Grown by Chemical Beam Epitaxy Reviewed

    Hidetoshi Suzuki*, Kenichi Nishimura 2008博士満了*, Kenji Saito 修士2*, Taiki Hashiguchi 修士2*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   47 ( 8 )   6910 - 6913   2009

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  • Studies on Concentrator Multi-Junction Solar Cells and Materials in the Japanese Innovative PV R&D Program Reviewed

    Masafumi Yamaguchi, Yoshio Ohshita, Nobuaki Kojima, Hidetoshi Suzuki*, Boussairi Bouzazi 博士2*, Tatsuya Takamoto 1998 博士修了*, Yoshita Okada 東京大学*

    Proceedings24th European Photovoltaic Solar Energy Conference   218 - 221   2009

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  • Structural characterization of Mg-doped C60 thin films Reviewed

    Nobuaki Kojima, M. Natori 修士2*, H. Suzuki*, Masafumi Yamaguchi

    Journal of Physics: Conference Series   159   12018   2009

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  • Growth and characterization of n-type polycrystalline silicon ingots Reviewed

    Koji Arafune 兵庫県立大学*, Mami Nohara 2007卒業*, Yoshio Ohshita, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   93 ( 6-7 )   1047 - 1050   2009

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  • Characterization of carrier recombination in lattice-mismatched InGaAs solar cells on GaAs substrates Reviewed

    Takuo Sasaki, K. Arafune 兵庫県立大学*, W. Metzger NREL*, M.J. Romero NREL*, K. Jones NREL*, M. Al-Jassim NREL*, Yoshio Ohshita, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   93 ( 6-7 )   936 - 940   2009

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  • In situ Real-Time X-ray Reciprocal Space Mapping during InGaAs/GaAs Growthfor Understanding Strain Relaxation Mechanisms Reviewed

    Takuo Sasaki, Hidetoshi Suzuki*, Akihisa Sai 修士2*, ジョンハン リー, Masamitu Takahasi JAEA*, Seiji Fujikawa JAEA*, Koji Arafune 兵庫県立大学*, 神谷 格, Yoshio Ohshita, Masafumi Yamaguchi

    Applied Physics Express   2 ( 8 )   085501   2009

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  • Novel materials for high-efficiency solar cells Reviewed

    Nobuaki Kojima, Masato Natori 修士2*, Hidetoshi Suzuki*, Makoto Inagaki 修士2*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Photonics and Optoelectronics Meetings (POEM)   7518   75180P - 1   2009

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  • Studies on Concentrator Multi-Junction Solar Cells and Materials in the Japanese Innovative PV R&D Program Reviewed

    Masafumi Yamaguchi, Yoshio Ohshita, Nobuaki Kojima, Hidetoshi Suzuki*, Boussairi Bouzazi 博士2*, Tatsuya Takamoto 1998博士修了シャープ*, Yoshita Okada 東京大学*

    Proceedings 24th European Photovoltaic Solar Energy Conference,   218 - 221   2009

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  • A High Capture Cross Section's Recombination Center in p-Type GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Boussairi Bouzazi 博士2*, Hidetoshi Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 24th European Photovoltaic Solar Energy Conference   68 - 71   2009

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  • CONDUCTIVITY IMPROVEMENT OF EPITAXIAL-GROWN Mg-DOPED C60 THIN FILMS Reviewed

    Nobuaki Kojima, Masato Natori 修士 2*, Hidetoshi Suzuki*, Masafumi Yamaguchi

    Proceedings34th IEEE Photovoltaic Specialists Confernece   000725 - 000728   2009

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  • HOLE MOBILITY OF GaAs1-XNX GROWN BY CHEMICAL BEAM EPITAXY Reviewed

    Hidetoshi Suzuki*, Taiki Hashiguchi 2008 修士修了*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings34th IEEE Photovoltaic Specialists Confernece   000848 - 000851   2009

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  • Electrical Field Dependence Of Emission Rate Of Deep Levels In In-Asxp1-X/Inp Multiquantum Well Solar Cell Structure Asxp1-X/Inp Multiquantum Well Solar Cell Structure Reviewed

    A. Khan University of South Alabama*, A. Freundlich University of Houston*, J.Gou University of Central Florida*, S. Alsharif University of South Alabama*, A. Gapud University of South Alabama*, M.Imaizumi 1999 博士修了*, Masafumi Yamaguchi

    Proceedings34th IEEE Photovoltaic Specialists Confernece   002043 - 002045   2009

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  • REAL-TIME STUDY OF STRAIN RELAXATION IN LATTICE-MISMATCHED INGAAS/GAAS BY X-RAY DIFFRACTION Reviewed

    Takuo Sasaki, Hidetoshi Suzuki*, Akishia Sai 修士2*, ジョンハン リー, Masamitu Takahasi LAEA*, Seiji Fujikawa JAEA*, Koji Arafune 兵庫県立大学*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings34th IEEE Photovoltaic Specialists Confernece   000999 - 001003   2009

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  • ANALYSIS OF DEFECTS AND IMPURITIES IN NEW (In)GaAsN MATERIALS FOR CONCENTRATOR MULTI-JUNCTION SOLAR CELLS Reviewed

    Masafumi Yamaguchi, Yoshio Ohshita, Nobuaki Kojima, Hidetoshi Suzuki and Boussairi Bouzazi 博士2*

    Proceedings34th IEEE Photovoltaic Specialists Confernece   002332 - 002335   2009

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  • Novel materrials for high-efficiency solar cells Reviewed

    Nobuaki Kojima, Masato Natori 修士2*, Hidetoshi Suzuki*, Makoto Inagaki 修士1*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings of SPIE   7518   75180p - 1   2009

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  • Relationship Between Grain Boundary Structures and Electrical Property in Polycrystalline Silicon for Solar Cells Reviewed

    K. Fukuda 修士2*, H. Kawai 2007修士修了*, K. Arafune 兵庫県立大学*, Yoshio Ohshita, Masafumi Yamaguchi, A. Ogura 明治大学*

    Proceedings Renewable Energy 2008   2008

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  • Electrical Property and Cell Fabrication of GaAsN Thin Films Grown by Chemical Beam Epitaxy Reviewed

    Nobuaki Kojima, H. Suzuki*, K. Nishimura 2007博士満了*, T. Hashiguchi 修士2*, K. Saito 2008修士修了*, B. Balasubramanian*, S. Yamamoto 2007学部卒業*, M. Inagaki 修士1*, Masafumi Yamaguchi

    Proceedings 23rd European Photovoltaic Solar Energy Conference   944 - 946   2008

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  • Super High Efficiency Multi-Junction and Concentrator Solar Cells Reviewed

    Masafumi Yamaguchi, Nobuaki Kojima, Yoshio Ohshita, T. Takamoto 1998博士修了*, K. Araki 大同特殊鋼*

    Proceedings Renewable Energy 2008   IN - PV   2008

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  • Chemical Beam Epitaxy Grown GaAs0.995N0.005 Based Homojunction Solar Cell Properties Reviewed

    B. Bouzazi 博士1*, K. Nishimura 2007博士満了*, H. Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Renewable Energy 2008   O - PV   2008

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  • Effects of N-H Related Complexes on Electrical Property of GaAsN Films Grown by Chemical Beam Epitaxy Reviewed

    H. Suzuki*, K. Nishimura 2007博士満了*, B. Bouzazi 博士1*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Renewable Energy 2008   P - PV   2008

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  • Effect of Surface Steps on N Incorporation Processes of GaAsN Growth in Chemical Beam Epitaxy Reviewed

    T. Hashiguchi 修士2*, K. Nishimura 2007博士満了*, H. Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Renewable Energy 2008   P - PV   2008

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  • Recent Advances in Crystalline Silicon Solar Cells Reviewed

    Yoshio Ohshita, K. Arafune 兵庫県立大学*, Masafumi Yamaguchi

    Proceedings 18th International Symposium on Fine Chemistry and Functional Polymers , 4th IUPAC International Symposium on Novel Materials and their Synthesis、   339 - 340   2008

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  • Hydrogen reduction in GaAsN thin films by flow rate modulated chemical beam epitaxy Reviewed

    K. Saito 2008修士修了*, K. Nishimura 2007博士満了*, H. Suzuki*, Yoshio Ohshita, Masafumi Yamaguchi

    Thin Solid Films   516 ( 11 )   3517 - 3520   2008

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  • Radiation-Resistance Analysis of GaAs and InGaP Sub Cells for InGaP/GaAs/Ge 3-Junction Space Solar Cells Reviewed

    Masafumi Yamaguchi, T. Sasaki 博士3*, H-S. Lee Shinsung Holdings*, C. Morioka JAXA*, N.J. Ekins-Daukes Imperial College*, M. Imaizumi 1999博士修了*, T. Takamoto 1998博士修了*, T. Ohshima JAERI*

    Proceedings 33rd IEEE Photovoltaic Specialist Conference   2008

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  • Annealing Effects on Lattice Defects in Lattice Mismatched InGaAs on GaAs Reviewed

    T. Sasaki 博士3*, K. Arafune 兵庫県立大学*, A. Sai 修士1*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 33rd IEEE Photovoltaic Specialist Conference   2008

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  • Effects of N Related Complex Defects on Electrical Property of GaAsN Films Grown by Chemical Beam Epitaxy Reviewed

    H. Suzuki*, K. Nishimura 2007博士満了*, B. Boussairi 博士1*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 23rd European Photovoltaic Solar Energy Conference   438 - 440   2008

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  • Fabrication of GaAsN Homo-Junction Solar Cells by Chemical Beam Epitaxy Reviewed

    H. Suzuki*, K. Nishimura*, T. Hashiguchi*, K. Saito*, B. Balasubramanian*, S. Yamamoto*, M. Inagaki,*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Proceedings 33rd IEEE Photovoltaic Specialist Conference   ( 51 )   2008

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  • Carbon Reduction in GaAsN Thin Films by Flow-Rate-Modulated Chemical Beam Epitaxy Reviewed

    Kenichi NISHIMURA 博士3*, Hidetoshi Suzuki*, Kenji SAITO 修士2*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Japanese Journal of Applied Physics   47 ( 4 )   2072 - 2075   2008

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  • Novel materials for high-efficiency III–V multi-junction solar cells Reviewed

    Masafumi Yamaguchi, Ken-Ichi Nishimura 博士3*, Takuo Sasaki 博士2*, Hidetoshi Suzuki*, Koji Arafune*, Nobuaki Kojima, Yoshio Ohshita, Yoshitaka Okada University of Tsukuba*, Akio Yamamoto Fukui University*, Tatsuya Takamoto(Sharp Co.)、Kenji Araki(Daido Steel Corporation)*

    Solar Energy   82 ( 2 )   173 - 180   2008

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  • Electrical Properties of Mg Doped C60 Thin Films Reviewed

    Nobuaki Kojima, M. Natori 修士1*, H. Suzuki*, Masafumi Yamaguchi

    Proceedings 33rd IEEE Photovoltaic Specialist Conference   ( 271 )   2008

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  • Analysis of oxygen incorporation in unidirectionally solidified multicrystalline silicon for solar cells Reviewed

    Hitoshi Matsuo 九州大学*, R. Bairava Ganesh 九州大学*, Satoshi Nakano 九州大学*, Lijun Liu 九州大学*, Koji Arafune 兵庫県立大学*, Yoshio Ohshita, Masafumi Yamaguchi, Koichi Kakimoto 九州大学*

    Journal of Crystal Growth   310 ( 7-9 )   2204 - 2208   2008

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  • Estimation of growth rate in unidirectionally solidified multicrystalline silicon by the growth-induced striation method Reviewed

    R. Bairava Ganesh 九州大学*, Hitoshi Matsuo 九州大学*, Takahiro Kawamura 九州大学*, Yoshihiro Kangawa 九州大学*, Koji Arafune 兵庫県立大学*, Yoshio Ohshita, Masafumi Yamaguchi, Koichi Kakimoto 九州大学*

    Journal of Crystal Growth   310 ( 11 )   2697 - 2701   2008

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  • Thermodynamical analysis of oxygen incorporation from a quartz crucible during solidification of multicrystalline silicon for solar cell Reviewed

    Hitoshi Matsuo 九州大学*, R. Bairava Ganesh 九州大学*, Satoshi Nakano 九州大学*, Lijun Liu 九州大学*, Yoshihiro Kangawa 九州大学*, Koji Arafune 兵庫県立大学*, Yoshio Ohshita, Masafumi Yamaguchi, Koichi Kakimoto 九州大学*

    Journal of Crystal Growth   310 ( 22 )   4666 - 4671   2008

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  • Effect of crucible rotation on oxygen concentration during unidirectional solidification process of multicrystalline silicon for solar cells Reviewed

    Hitoshi Matsuo 九州大学*, R. Bairava Ganesh 九州大学*, Satoshi Nakano 九州大学*, Lijun Liu 九州大学*, Koji Arafune 兵庫県立大学*, Yoshio Ohshita, Masafumi Yamaguchi, Koichi Kakimoto 九州大学*

    Journal of Crystal Growth   311 ( 4 )   1123 - 1128   2008

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  • Electrical Properties of GaAsN Film Grown by Chemical Beam Epitaxy Reviewed

    K. Nishimura 博士3*, H. Suzuki*, K. Saito 修士2*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Physica B   401-402   343 - 346   2007

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  • Directional solidification of polycrystalline silicon ingots by successive relaxation of supercooling method Reviewed

    Koji Arafune*, Eichiro Ohishi 2005学部/ 矢崎総業*, Hitoshi Sai AIST*, Yoshio Ohshita, Masafumi Yamaguchi

    Journal of Crystal Growth   308 ( 1 )   5 - 9   2007

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  • A 1,340X (GCR) Concentrator PV Module With a Dome-shaped Fresnel Lens Made by Injection Molding and a Kaleidoscope Secondary Made by Thermal Process Reviewed

    K. Araki 大同特殊鋼*, M. Hiramatsu 大同メタル*, H.Ito 石塚硝子*, Y. Kemmoku 豊橋創造大学*, Masafumi Yamaguchi

    Proceedings 22nd European Photovoltaic Solar Energy Conference    148 - 151   2007

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  • The Study on Electrical Property of GaAsN Thin Films Grown by Chemical Beam Epitaxy Reviewed

    K. Nishimura 博士3*, Nobuaki Kojima, T. Imai 2006修士修了*, H. Suzuki*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 22nd European Photovoltaic Solar Energy Conference    684 - 686   2007

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  • Effect of Crucible Rotation on Quality of Polycrystalline Silicon Ingot Grown by Traveling Heater Method Reviewed

    K.Arafune*, T.Higo シャープ*, H.Kawai 修士2*, F.Kusuoka 2005卒業*, H.Sai 産業技術総合研究所*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 22nd European Photovoltaic Solar Energy Conference    1120 - 1123   2007

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  • Carrier Transport Properties in a Silicon Back Contact Type Solar Cell Reviewed

    T. Nagashima トヨタ自動車*, K. Okumura トヨタ自動車*, Masafumi Yamaguchi

    Proceedings 22nd European Photovoltaic Solar Energy Conference    1407 - 1410   2007

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  • A Consideration for PV Market Growth Reviewed

    Masafumi Yamaguchi, K.. Arafune*, Yoshio Ohshita

    Proceedings 22nd European Photovoltaic Solar Energy Conference    3543 - 3546   2007

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  • Growth and Characterization of Polycrystalline Silicon Ingot for Solar Cells Reviewed

    K. Arafune*, Yoshio Ohshita, Masafumi Yamaguchi

    ProceedingsThe Forum on the Science and Technology of Silicon Materials 2007   346 - 350   2007

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  • Crystal Structures of Copper Phthalocyanine on C60(111) Surface Growth by Molecular Beam Epitaxy Reviewed

    H. Suzuki*, Y. Yamashita 2006修士修了*, Nobuaki Kojima, Masafumi Yamaguchi

    Proceedings 2007 International Symposium on Dry Process   43 - 44   2007

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  • Novel Materials and Structures for Super High Efficiency Multi-junction Solar Cells Reviewed

    Masafumi Yamaguchi, H. Suzuki*, K. Nishimura 博士3*, Nobuaki Kojima, Yoshio Ohshita, Y. Okada 筑波大学*

    Proceedings ISES Solar World Congress 2007   1028 - 1032   2007

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  • Interaction of electron irradiation with nitrogen-related deep levels in InGaAsN Reviewed

    Aurangzeb Khan Univ. South Alabama*, Jihua Gou Univ. South Alabama*, M. Imazumi 1999博士修了JAXA*, Masafumi Yamaguchi

    Applied Physics Letters   91 ( 4 )   043503   2007

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  • Self-annihilation of electron-irradiation-induced defects in InAsxP1−x/InP multiquantum well solar cells Reviewed

    Aurangzeb Khan Univ. South Alabama*, A. Freundlich Univ. Houston*, Jihua Gou Univ. South Alabama*, A. Gapud Univ. South Alabama*, M. Imazumi 1999博士修了JAXA*, Masafumi Yamaguchi

    Applied Physics Letters   90 ( 23 )   233111   2007

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  • Chemical Beam Epitaxy of GaAsN Thin Films with Monomethylhydrazine as N Source Reviewed

    Kenichi Nishimura D3*, Hae-Seok Lee1*, Hidetoshi Suzuki*, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 1   46 ( 5A )   2844 - 2847   2007

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  • Light Trapping Effect of Submicron Surface Textures in Crystalline Si Solar Cells Reviewed

    H. Sai AIST*, Y. Kanamori Tohoku Univ.*, K. Arafune*, Yoshio Ohshita, Masafumi Yamaguchi

    Progress in Photovoltaics   15   415 - 423   2007

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  • Carbon incorporation process in GaAsN films grown by chemical beam epitaxy using MMHy or DMHy as the N source Reviewed

    H. Suzuki*, K. Nishimura 博士2*, H.S.Lee LG Electronics Institute of Technology*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Thin Solid Films   515   5008 - 5011   2007

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  • Radiation Resistance of Wide Band Gap n+/ p AlInGaP Solar Cell for High-Efficient Multijunction Space Solar Cells Reviewed

    H.S. Lee LG*, Masafumi Yamaguchi, N.J. Ekins-Daukes Sydney Univ.*, A. Khan Univ. South Alabama*, T. Takamoto Sharp*, M. Imaizumi JAXA*, T. Ohshima JAEA*, H. Itoh JAEA*

    Japanese Journal of Applied Physics.Part 2   46 ( 26 )   L645 - 647   2007

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  • Wide-Angle Antireflection Effect of Subwavelength Structures for Solar Cells Reviewed

    Hitoshi Sai*, Homare Fujii*, Koji Arafune*, Yoshio Ohshita, Yoshiaki Kanamori*, Hiroo Yugami*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 1   46 ( 6A )   3333 - 3336   2007

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  • Study on Iron Distribution and Electrical Activities at Grain Boundaries in Polycrystalline Silicon Substrate for Solar Cells Reviewed

    K. Arafune*, E. Ohishi 2005卒業・矢崎総業*, H. Sai*, Y. Terada SPring-8*, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 1   45 ( 8A )   6153 - 6156   2006

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  • Present status and future of crystalline silicon solar cells in Japan Reviewed

    Masafumi Yamaguchi, Yoshio Ohshita, K. Arafune*, H. Sai*, M. Tachibana*

    Solar Energy   80   104 - 110   2006

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  • Study on defects and impurities in cast-grown polycrystalline silicon substrates for solar cells Reviewed

    K. Arafune*, Takuo Sasaki, F. Wakabayashi 2004卒業・愛三工業*, Y. Terada Spring-8*, Yoshio Ohshita, Masafumi Yamaguchi

    Physica B   376-377   236 - 239   2006

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  • Effects of a low-energy proton irradiation on n+/p-AlInGap solar cells Reviewed

    H. S. Lee LG Elect. Inst. Tech.*, Masafumi Yamaguchi, N. J. Ekins-Daukes Univ. Sydney*, A. Khan Univ. South Alabama*, T. Takamoto 1998博士修了・Sharp*, M. Imaizumi 1999博士修了・JAXA*, T. Ohshima JEAE*, H. Itoh JEAE*

    Physica B   376-377   564 - 567   2006

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  • Antireflective Subwavelength Structures on Crystalline Si Fabricated Using Directly Formed Anodic Porous Alumina Masks Reviewed

    H. Sai*, H Fujii*, K. Arafune*, Yoshio Ohshita, Masafumi Yamaguchi, Y. Kanamori Tohoku Univ.*, H. Yugami Tohoku Univ.*

    Applied Physics Letters   88 ( 20 )   201116   2006

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  • Packaging III-V Tandem Solar Cells for Practical Terrestrial Applications Achievable to 27% of Module Efficiency by Conventional Machine Assemble Technology Reviewed

    K. Araki Daido Steel Co.*, M. Kondo Daido Steel Co.*, H. Uozumi Daido Steel Co.*, N.J. Ekins-Daukes Univ. Sydney*, T. Egami Daido Metal Co.*, M. Hiramatsu Daido Metal Co.*, Y. Miyazaki Daido Metal Co.*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   90 ( 18-19 )   3320 - 3326   2006

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  • Achievement of 27 % Efficient and 200 Wp Concentrator Module and the Technological Roadmap toward Realization of More Than 31 % Efficient Modules Reviewed

    K. Araki Daido Steel Co.*, M. Kondo Daido Steel Co.*, H. Uozumi Daido Steel Co.*, N.J. Ekins-Daukes Univ. Sydney*, Y. Kemmoku Toyohashi Sozo College*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   90 ( 18-19 )   3312 - 3319   2006

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  • Super High Efficiency Multi-Junction and Concentrator Solar Cells Reviewed

    Masafumi Yamaguchi, T. Takamoto Sharp Co.*, K. Araki Daido Steel Co.*

    Solar Energy Materials and Solar Cells   90 ( 18-19 )   3068 - 3077   2006

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  • Optical Properties of C60/a-C Superlattice Structures for Solar Cell Applications Reviewed

    Nobuaki Kojima, Y. Sugiura アイシン精機・2003卒業*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   90 ( 18-19 )   3394 - 3398   2006

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  • A Small Sun in an ETUI –Possibilities in HCPV- Reviewed

    K. Araki*, M. Hiramatsu*, Y. Kemmoku*, A. Akisawa*, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   603 - 608   2006

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  • DLTS: A Promising Technique for The Identification of The Recombination and Compensator Centers in Solar Cell Materials Reviewed

    A. Khan*, Masafumi Yamaguchi, H. S. Lee*, N. J. Ekins-Daukes*, T. Takamoto*, M. Imaizumi*, S. Taylor*

    Proc2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   1763 - 1768   2006

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  • Mg Doping in C60 Layer for C60/a-C Superlattice Solar Cells Reviewed

    Nobuaki Kojima, T. Terayama*, K. Honda*, H. Suzuki*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   53 - 55   2006

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  • Analysis for Radiation-Resistance of InGaP and GaAs Sub-Cells for InGaP/GaAs/Ge 3-Junction Solar Cells Reviewed

    Masafumi Yamaguchi, N. J. Ekins-Daukes*, H. S. Lee*, T. Sumita*, M. Imaizumi*, T. Takamoto*, T. Agui*, M. Kaneiwa*, T. Ohshima*

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   1789 - 1792   2006

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  • Hydrogen Treatment Effects of a-C Films for C60/a-C Superlattice Solar Cells Reviewed

    K. Honda*, Nobuaki Kojima, T. Imaizumi*, T. Terayama*, H. Suzuki*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   142 - 145   2006

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  • Surface Passivation for Germanium and Silicon Back Contact Type Photovoltaic Cells Reviewed

    T. Nagashima*, K. Hokoi*, K. Okumura*, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   655 - 658   2006

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  • Growth and Characterization of Multicrystalline Silicon Ingots Grown by Directional Solidification Technique Reviewed

    K. Arafune*, E. Ohishi*, F. Kusuoka*, H. Kawai*, H. Sai*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   1074 - 1077   2006

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  • Numerical Analysis and Demonstration of Submicron Antireflective Textures for Crystalline Silicon Solar Cells Reviewed

    H. Sai*, H. Fujii*, Y. Kanamori*, K. Arafune*, Yoshio Ohshita, H. Yugami*, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   1191 - 1194   2006

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  • Surface Passivation of Crystalline Silicon Solar Cells by Atmospheric Pressure Chemical Vapor Deposition Reviewed

    R. Imai*, T. Ishiwata*, H. Sai*, N. Yamamoto*, K. Arafune*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   1152 - 1155   2006

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  • Minority-Carrier Injection-Enhanced Recovery of Radiation-Induced Defects in n+p AlInGaP Solar Cells Reviewed

    H. S. Lee*, Masafumi Yamaguchi, N. J. Ekins-Daukes*, A. Khan*, T. Takamoto*, M. Imaizumi*, T. Ohshima*, H. Itoh*

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   1826 - 1829   2006

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  • Boron implantation effects in CdS thin films grown by chemical synthesis Reviewed

    K.L. Narayanana*, Masafumi Yamaguchi, J.A. Davila-Pintleb*, R. Lozada-Moralesb*, O. Portillo-Morenoc*, O. Zelaya-Angeld*

    Vacuum   81 ( 11-12 )   1430 - 1433   2006

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  • DLTS Analysis of Radiation-Induced Defects in InGaAsN Solar Cell Structures Reviewed

    A. Khan*, J. Gou*, R. C. Lam*, S. R. Kurtz*, S. W. Johnston*, M. Imazumi*, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   1895 - 1898   2006

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  • Radiation Hardness Analysis of InAsxP1-x/InP Multiquantum Well Solar Cells Structures for Space Applications Reviewed

    A. Khan*, A. Freundlich*, J. Gou*, R. Lam*, M. Alam*, A.Gapud*, A. Alemu*, L. Williams*, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   1858 - 1860   2006

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  • Reduction of Residual Carbon in GaAsN Films Grown by Chemical Beam Epitaxy Reviewed

    H. Suzuki*, K. Nishimura*, H. S. Lee*, K. Saito*, T. Kawahigashi*, T. Imai*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   819 - 822   2006

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  • Influences of Growth Temperature and Surface Steps on N Concentration and Crystal Quality of GaAsN Grown by Chemical Beam Epitaxy Reviewed

    K. Nishimura*, H. S. Lee*, H. Suzuki*, T. Kawahigashi*, T. Imai*, K. Saito*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   815 - 818   2006

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  • Role of Nitrogen and Impurity on Free Carrier Concentration in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    T. Imai*, H. S. Lee*, K. Nishimura*, H. Suzuki*, T. Kawahigashi*, T. Sasaki*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   842 - 844   2006

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  • HCPV for Building Integration Reviewed

    K. Araki*, M. Hiramatsu*, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   290 - 293   2006

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  • Carbon-based Superlattice Solar Cells Reviewed

    Nobuaki Kojima, T. Terayama*, K. Honda*, H. Suzuki*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   373 - 375   2006

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  • Molecular Orientation of Copper Phthalocyanine on C60 (111) Surface Reviewed

    H. Suzuki*, Y. Yamashita*, Nobuaki Kojima, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   380 - 383   2006

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  • Effect of Heater Transfer Rate on Quality of Multicrystalline Silicon Ingot Grown By Traveling Heater Method Reviewed

    K. Arafune*, E. Ohishi*, F. Kusuoka*, H. Kawai*, H. Sai*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   407 - 410   2006

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  • Possibilities in Concentrator PV Reviewed

    K. Araki*, M. Hiramatsu*, Y. Kemmoku*, A. Akisawa*, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   427 - 430   2006

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  • Influence of Surface Steps on N Incorporation in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    K. Nishimura*, H. Suzuki*, T. Imai*, K. Saito*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   431 - 434   2006

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  • Thermal Cycle Annealing Effects on Electrical Properties and Structural Defects in Lattice Mismatched InGAaS Solar Cells Reviewed

    T. Sasaki*, K. Arafune*, H. S. Lee*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   439 - 442   2006

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  • Design of A 1,000 X Concentrator PV System for III-V Solar Cells Reviewed

    K. Araki*, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   443 - 446   2006

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  • Electron Radiation-Induced Defects in Lattice Mismatched InGaAs Solar Cells Reviewed

    T. Sasaki*, T. Takamoto*, M. Imaizumi*, T. Ohshima*, H. Itoh*, Masafumi Yamaguchi

    Proceedings 7th International Workshop on Radiation Effects on Semiconductor Devices for Space Application   165 - 168   2006

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  • Hydrogen Reduction in GaAsN Thin Films by the Flow-Rate Modulated Chemical Beam Epitaxy Reviewed

    K. Saito*, K. Nishimura*, H. Suzuki*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 International Symposium on Dry Process   95 - 96   2006

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  • Impurity Distribution in Polycrystalline Silicon Substrate for Solar Cells Reviewed

    H. Kawai*, F. Kusuoka*, K. Arafune*, H. Sai*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 3rd Workshop on the Future Direction of Photovoltaics   51 - 54   2006

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  • First Grid-connected Concentrator PV System Using III-V Cells in Industrial Area Reviewed

    K. Araki*, K. Emery*, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   224 - 227   2006

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  • Interface Structure Analysis Between C60 and CuPc for Organic Solar Cells Reviewed

    Y. Yamashita*, H. Suzuki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   263 - 266   2006

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  • Fabrication of GaInNAs-based Solar Cells for Application to Multi-junction Tandem Solar Cells Reviewed

    N. Miyashita*, Y. Shimizu*, N. Kobayashi*, Y. Okada*, Masafumi Yamaguchi

    Proceedings 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion   869 - 872   2006

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  • Recent Progress in Crystalline Silicon Solar Cells Reviewed

    Yoshio Ohshita, K. Arafune*, Masafumi Yamaguchi

    Proceedings 2006 International Workshop on Sustainable Energy and Materials   31 - 34   2006

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  • Development of GaAsN Semiconductor Alloys for High Efficiency Solar Cells Reviewed

    H. Suzuki*, K. Nishimura*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 2006 International Workshop on Sustainable Energy and Materials   311 - 314   2006

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  • Novel Materials and Structures for High Efficiency Multi-junction Solar Cells Reviewed

    Masafumi Yamaguchi, Y. Okada*, A. Yamamoto*, T. Takamoto*, K. Araki*, Yoshio Ohshita

    Proceedings 21st European Photovoltaic Solar Energy Conference   53 - 56   2006

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  • Surface Recombination at Si/SiO2 Interface with Various Interface State Densities and Oxide Charges Reviewed

    H. Sai*, R. Imai*, N. Yamamoto*, T. Ishiwata*, K. Arafune*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 21st European Photovoltaic Solar Energy Conference   915 - 918   2006

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  • Directional Solidification of Polycrystalline Silicon Ingots with Successive Relaxation of Supercooling Method Reviewed

    K. Arafune*, E. Ohishi*, H. Kawai*, F. Kusuoka*, H. Sai*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings 21st European Photovoltaic Solar Energy Conference   1025 - 1028   2006

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  • Directional Solidification of Multicrystalline Silicon Ingot Reviewed

    K. Arafune*, H. Sai*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings International Workshop on Science and Technology of Crystalline Si Solar Cells   13 - 16   2006

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  • Submicron Surface Textures for Light Trapping in Crystalline Silicon Solar Cells Reviewed

    H. Sai*, Y. Kanamori*, K. Arafune*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings Renewable Energy 2006   213 - 216   2006

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  • Deep-level defects introduced by 1 MeV electron radiation in AlInGaP for multijunction space solar cells Reviewed

    H. S. Lee*, Masafumi Yamaguchi, N. J. Ekins-Daukes Univ. Sydney*, A. Khan Univ. South Alabama*, T. Takamoto 1998博士修了・Sharp*, T. Agui Sharp*, K. Kamimura Sharp*, M. Kaneiwa Sharp*, M. Imaizumi 1999博士修了・JAXA*, T. Ohshima(JAEA)、H. Itoh(JAEA)*

    Journal of Applied Physics   98 ( 093701 )   2005

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  • Nitrogen Incorporation in GaAsN Grown by Chemical Beam Epitaxy Reviewed

    Yoshio Ohshita, K. Nishimura*, H. S. Lee*, Nobuaki Kojima, I. Gono*, H. Suzuki*, Masafumi Yamaguchi

    Proc. 270th Meeting of The Electrochemical Society   272 - 277   2005

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  • Super-high-efficiency Multi-junction Solar Cells Reviewed

    Masafumi Yamaguchi, T. Takamoto 1998博士修了・SHARP*, A. Khan Univ. South Alabama*, M. Imaizumi 1999博士修了・JAXA*, S. Matsuda JAXA*, N. J. Ekins-Daukes*

    Progress in Photovoltaics   13   125 - 132   2005

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  • Effects of defects and impurities on minority carrier lifetime in cast-grown polycrystalline silicon Reviewed

    Yoshio Ohshita, Y. Nishikawa 2004卒業・愛三工業*, M. Tachibana*, V. K. Tuong 2004博士満了*, T. Sasaki 修士1*, Nobuaki Kojima, S. Tanaka Nagoya Univ.*, Masafumi Yamaguchi

    Journal of Crystal Growth   275   e491 - e494   2005

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  • Chemical beam epitaxy of InGaAsN films for multi-junction tandem solar cells Reviewed

    H. S. Lee*, K. Nishimura 修士2*, Y. Yagi 2004修士修了・豊田自動織機*, M. Tachibana*, N. J. Ekins-Daukes*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Journal of Crystal Growth   275   e1127 - e1130   2005

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  • C60/a-C Superlattice Structures for Solar Cell Applications Reviewed

    Nobuaki Kojima, T. Terayama 修士1*, H. Suzuki*, T. Imaizumi 学部4*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   118 - 120   2005

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  • Nitrogen Incorporation in GaInNAs Grown by Chemical Beam Epitaxy for Multi-Junction Tandem Solar Cell Reviewed

    K. Nishimura 修士2*, H. S. Lee*, H. Suzuki*, I. Gono 学部4*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   722 - 724   2005

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  • Multi-junction III-V solar cells: current status and future potential Reviewed

    Masafumi Yamaguchi, T. Takamoto 1998博士修了・Sharp*, K. Araki aido Steel*, N.J. Ekins-Daukes Univ.Sydney*

    Solar Energy   79   78 - 85   2005

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  • InGaP/GaAs-based Multijunction Solar Cells Reviewed

    T. Takamoto 1998博士修了・Sharp*, M. Kaneiwa Sharp*, M. Imaizumi 1999博士修了・JAXA*, Masafumi Yamaguchi

    Progress in Photovoltaics   13   495 - 511   2005

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  • Development of Concentrator Modules with Dome-shaped Fresnel Lenses and Triple-junction Concentrator Cells Reviewed

    K. Araki Daido Steel Co.*, H. Uozumi Daido Steel Co.*, T. Egami Daido Metal Co.*, M. Hiramatsu Daido Metal Co.*, Y. Miyazaki Daido Metal Co.*, Y. Kemmoku Toyohashi SOZO College*, A. Akisawa TUAT*, N.J. Ekins-Daukes Univ. Sydney*, H.S. Lee*, Masafumi Yamaguchi

    Progress in Photovoltaics   13   513 - 527   2005

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  • Activity and Current Status of R&D on Space Solar Cells in Japan Reviewed

    M. Imaizumi 1999博士修了・JAXA*, S. Matsuda JAXA*, S. Kawakita JAXA*, T. Takamoto 1998博士修了・Sharp*, T. Ohshima JAEA*, Masafumi Yamaguchi

    Progress in Photovoltaics   13   529 - 543   2005

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  • Subwavelength Structure for Anti-Reflection in Solar Cell Applications Reviewed

    H. Sai*, K. Tsuji 2004卒業・トヨタ車体*, K. Arafune*, Yoshio Ohshita, Y. Kanamori Tohoku Univ.*, K. Hane Tohoku Univ.*, H. Yugami Tohoku Univ.*, Masafumi Yamaguchi

    Proceedings20th European Photovoltaic Solar Energy Conference and Exhibition   148 - 151   2005

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  • Efficiency Improvements of Back-Contact Type Photovoltaic Cells by a Floating Emitter Reviewed

    T. Nagashima Toyota Motor*, K. Hokoi Toyota Motor*, K. Okumura Toyota Motor*, Masafumi Yamaguchi

    Proceedings20th European Photovoltaic Solar Energy Conference and Exhibition   163 - 166   2005

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  • The Temperature Coefficient in 3-J Concentrator Cell by Outdoor Test with 550X Dome-Shaped Fresnel Lens Reviewed

    H. S. Lee*, Masafumi Yamaguchi, K. Araki Daido Steel*, T. Egami Daido Metal*, Y. Miyazaki Daido Metal*, M. Hiramatsu Daido Metal*, Y. Kemmoku Toyohashi Sozo College*, N. J. Ekins-Daukes Univ. Sydney*

    Proceedings20th European Photovoltaic Solar Energy Conference and Exhibition   2425 - 2427   2005

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  • Research Activities on Crystalline Silicon Solar Cells in Toyota Technological Institute Reviewed

    K. Arafune*, H. Sai*, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings20th European Photovoltaic Solar Energy Conference and Exhibition   1012 - 1015   2005

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  • Consideration on Space Application of High-Efficiency Solar Cells Developed for Terrestrial Use Reviewed

    Masafumi Yamaguchi, M. Imaizumi 1999博士修了・JAXA*, T. Takamoto 1998博士修了・Sharp*, K. Araki Daido Steel*, N. J. Ekins-Daukes Univ. Sydney*, H. S. Lee*

    Proceedings20th European Photovoltaic Solar Energy Conference and Exhibition   460 - 463   2005

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  • Improvement in Crystallization of InGaAsN Films by Light Illumination for High Efficiency Multi-Junction Tandem Solar Cell Reviewed

    K. Nishimura 博士1*, H. S. Lee*, H. Suzuki*, I. Gono 2004卒業・愛知製鋼*, T. Imai 修士1*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proceedings20th European Photovoltaic Solar Energy Conference and Exhibition   542 - 545   2005

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  • Carbon Incorporation Process in GaAsN Films Grown by Chemical Beam Epitaxy Using MMH or DMH as N Precursor Reviewed

    H. Suzuki*, K. Nishimura 博士1*, H.S. Lee*, Yoshio Ohshita, I. Gono 2004卒業・愛知製鋼*, Nobuaki Kojima, Masafumi Yamaguchi

    Proceedings 2005 International Symposium on Dry Process   329 - 330   2005

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  • Light Illumination Induced Effects on GaAsN Thin Films Grown by Chemical Beam Epitaxy Reviewed

    H.S. Lee*, K. Nishimura 博士1*, H. Suzuki*, Yoshio Ohshita, T. Imai 修士1*, Nobuaki Kojima, Masafumi Yamaguchi

    Proceedings 2005 International Symposium on Dry Process   331 - 332   2005

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  • Study on Defects Around Grain Boundaries in Cast-Grown Polycrystalline Silicon Reviewed

    K. Arafune*, T. Sasaki 修士2*, F. Wakabayashi 2004卒業・愛三工業*, H. Sai*, Yoshio Ohshita, Masafumi Yamaguchi

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   812 - 813   2005

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  • Development of a New 550x Concentrator Module with 3J Cells – Performance and Reliability Reviewed

    K. Araki Daido Steel*, H. Uozumi Daido Steel*, Masafumi Yamaguchi, Y. Kemmoku Toyohasi Sozo College*

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   216 - 219   2005

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  • Evaluation and analysis on multi-junction solar cells and modules under realistic spectrum - III-V and Concentrators – Reviewed

    K. Araki Daido Steel*, H. Uozumi Daido Steel*, Masafumi Yamaguchi, Y. Kemmoku Toyohasi Sozo College*

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   341 - 342   2005

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  • Reliabilities of High Concentrator PV Modules Using III-V Cells Reviewed

    K. Araki Daido Steel*, H. Uozumi Daido Steel*, Masafumi Yamaguchi

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   539 - 540   2005

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  • Defect Density Reduction in a-C Layers for C60/a-C Superlattice Solar Cells Reviewed

    Nobuaki Kojima, T. Imaizumi 2004卒業・デンソーテクノ*, T. Terayama 修士2*, H. Suzuki*, Masafumi Yamaguchi

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   584 - 585   2005

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  • Radiation-Resistance of a Wide Band-Gap AlInGaP Space Solar Cell under 1 MeV Electron Irradiation Reviewed

    H.S. Lee*, Masafumi Yamaguchi, N.J. Ekins-Daukes Univ. Sydney*, A. Khan Univ. South Alabama*, T. Takamoto 1998博士修了・Sharp*, M. Imaizumi 1999博士修了・JAXA*, T. Ohshima JAEA*, H. Itoh JAEA*

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   555 - 556   2005

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  • Analysis for Radiation-Resistance of GaAs Sub-Cells for InGaP/GaAs/Ge 3-junction Solar Cells Reviewed

    Masafumi Yamaguchi, T. Sumita JAXA*, M. Imaizumi 1999博士修了・JAXA*, N.J. Ekins-Daukes Univ. Sydney*, H.S. Lee*, T. Takamoto 1999博士修了・Sharp*, T. Agui Sharp*, M. Kaneiwa Sharp*, T. Ohshima JAEA*

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   545 - 548   2005

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  • Surface Passivation of Crystalline Silicon Solar Cells by High-Pressure Thermal Oxidation at Low Temperature Reviewed

    H. Sai*, K. Yamashita 2004卒業・日亜化学*, N. Yamamoto IHI*, R. Imai 修士1*, T. Ishiwata 学部4*, K. Arafune*, Yoshio Ohshita, Masafumi Yamaguchi

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   406 - 407   2005

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  • Anti-Reflective Subwavelength Structures for Crystalline-Si Solar Cells Fabricated by Porous Alumina Mask and Fast Atom Beam Etching Reviewed

    H. Sai*, K. Tsuji 2004卒業・トヨタ車体*, H. Fujii 学部4*, K. Arafune*, Yoshio Ohshita, Y. Kanamori Tohoku Univ.*, H. Yugami Tohoku Univ.*, Masafumi Yamaguchi

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   708 - 709   2005

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  • Improvements of Cell Properties by Thermal Cycle Annealing in Lattice-mismatched InGaAs Reviewed

    T. Sasaki 修士2*, K. Arafune*, H.S. Lee*, N.J. Ekins-Daukes Univ. Sydney*, S. Tanaka Nagoya Univ.*, Yoshio Ohshita, Masafumi Yamaguchi

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   383 - 384   2005

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  • Impurities in GaAsN Grown by Chemical Beam Epitaxy Using Monomethylhydrazine or Dimethyl-hidrazine as N Precursor Reviewed

    H. Suzuki*, K. Nishimura*, H.S. Lee*, Yoshio Ohshita, I. Gono*, Nobuaki Kojima, Masafumi Yamaguchi

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   381 - 382   2005

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  • R&D Activities for Super High-efficiency Multi-junction and Concentrator Solar Cells in Japan Reviewed

    Masafumi Yamaguchi, T. Takamoto 1999博士修了・Sharp*, K. Araki Daido Steel*, N.J. Ekins-Daukes Univ. Sydney*

    Tech. Digest 15th International Photovoltaic Science and Engineering Conference   541 - 544   2005

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  • Electrical and optical properties of radiation-induced dominant recombination center in InxGa1-xP space solar cells Reviewed

    M. Adachi Tottori Univ.*, A. Khan Univ. South Alabama*, K. Ando Tottori Univ.*, N. J. Ekins-Daukes Sydney Univ.*, H. S. Lee*, Masafumi Yamaguchi

    Physical Review B   72   155320   2005

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  • 化合物半導体太陽電池 Reviewed

    Masafumi Yamaguchi

    光学   33 ( 1 )   22 - 26   2004

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  • Approach for reducing the Rayleigh scattering loss in optical fibers Reviewed

    Kazuya Saito, Masafumi Yamaguchi, A. J. Ikushima*, K. Ohsono Optoelectronic system lab, Hitachi Cable Ltd.*, Y. Kurosawa Optoelectronic system lab, Hitachi Cable Ltd.*

    Journal of Applied Physics   95 ( 4 )   1733 - 1735   2004

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  • Thermophotovoltaic Generation with Microstructured Tungsten Selective Emitters Reviewed

    H. Sai*, T. Kamikawa Tohoku Univ.*, Y. Kanamori Tohoku Univ.*, K. Hane Tohoku Univ.*, H. Yugami Tohoku Univ.*, Masafumi Yamaguchi

    Proc. Sixth Conference on Thermophotovoltaic Generation of Electricity   206 - 214   2004

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  • Japanese Programs on Novel Concepts in PV Reviewed

    Masafumi Yamaguchi, T. Takamoto 1998博士修了・SHARP*, K. Araki Daido Steel*, M. Imaizumi 1999博士修了・JAXA*

    Semiconductors   38 ( 8 )   956 - 961   2004

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  • Performance of single-junction and dual-junction InGaP/GaAs solar cells under low concentration ratios Reviewed

    A. Khan Univ. South Alabama*, Masafumi Yamaguchi, T. Takamoto 1998博士修了・SHARP*

    Applied Physics Letters   85 ( 15 )   3098 - 3100   2004

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  • Radiation response analysis of wide-gap p-AlInGaP for superhigh-efficiency space photovoltaics Reviewed

    A. Khan Univ. South Alabama*, S. Marupaduga Univ. South Alabama*, S. S. Anandakrishnan Univ. South Alabama*, M. Alam Univ. South Alabama*, N. J. Ekins-Daukes*, H. S. Lee*, T. Sasaki 修士1*, Masafumi Yamaguchi, T. Takamoto 1998博士修了・SHARP*, T. Agui(SHARP)、K. Kamimurai()*

    Applied Physics Letters   85 ( 22 )   5218 - 5220   2004

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  • Carrier removal in lattice-mismatched InGaP solar cells under 1-MeV-electron irradiation Reviewed

    N. J. Ekins-Daukes*, H. S. Lee*, T. Sasaki 修士1*, Masafumi Yamaguchi, A. Khan Univ. South Alabama*, T. Takamoto 1998博士修了・SHARP*, T. Agui SHARP*, K. Kamimura SHARP*, M. Kaneiwa SHARP*, M. Imaizumi(1999博士修了・JAXA)、T. Ohshima(JAERI)、T. Kamiya(JAERI)*

    Applied Physics Letters   85 ( 13 )   2511 - 2513   2004

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  • Rectifying I-V Characteristics of n-Type Fluorine Implanted a-C/p-Type Si Heterojunction Diodes Reviewed

    K. L. Narayanan Nagoya Inst. Tech.*, T. Soga Nagoya Inst. Tech.*, N. J. Ekins-Daukes*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 2   43 ( 1A/B )   L24 - L26   2004

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  • 地上用太陽電池効率の理論考察 Reviewed

    荒木建次 大同特殊鋼*, N. J. Ekins-Daukes*, Masafumi Yamaguchi

    電気製鋼   75 ( 3 )   155 - 163   2004

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  • 変換効率28%の集光式太陽光発電装置開発 Reviewed

    荒木建次 大同特殊鋼*, 近藤道雄 大同特殊鋼*, 魚住久文 大同特殊鋼*, 高本達也 1998博士修了・シャープ*, 江上敏夫 大同メタル*, 平松雅男 大同メタル*, 宮崎憲徳 大同メタル*, 見目喜重 豊橋創造大学*, Masafumi Yamaguchi

    電気製鋼   75 ( 3 )   165 - 172   2004

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  • Ion Implantation Effects of Microcrystalline and Nanocrystalline Diamond Thin Films Reviewed

    K. L. Narayanan Nagoya Inst. Tech.*, T. Soga Nagoya Inst. Tech.*, T. Tokunaga Nagoya Inst. Tech.*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 1   43 ( 12 )   7971 - 7975   2004

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  • Structural change of OH-free fused quartz tube by blowing with hydrogen-oxygen flame Reviewed

    N. Kuzuu 福井大学*, Y. Kokubo 福井大学*, I. Serizawa 福井大学*, L. H. Zeng 福井大学*, K. Fujii 福井大学*, Masafumi Yamaguchi, Kazuya Saito, A. J. Ikushima*

    Journal of Non-Crystalline Solids   333   115 - 123   2004

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  • Japanese Activities of R&D on III-V Concentrator Solar Cells and Modules Reviewed

    Masafumi Yamaguchi, T. Takamoto 1998博士修了・SHARP*, T. Agui SHARP*, M. Kaneiwa SHARP*, K. Araki Daido Steel*, M. Kondo Daido Steel*, H. Uozumi Daido Steel*, M. Hiramatsu Daido Metal*, T. Egami Daido Metal*

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   2014 - 2017   2004

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  • Conductivity Behavior of C60/a-C Superlattice Structures for Solar Cell Applications Reviewed

    Nobuaki Kojima, Y. Sugiura 2003卒業・アイシン精機*, T. Terayama 修士1*, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   62 - 64   2004

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  • Consideration of Lattice-Mismatched InGaP/InGaAs/Ge 3-Junction Solar Cells Reviewed

    Masafumi Yamaguchi, T. Takamoto 1998博士修了・SHARP*, T. Agui SHARP*, M. Kaneiwa SHARP*, K. Nishimura 修士2*, Y. Yagi 2004修士修了・豊田自動織機*, T. Sasaki 修士1*, N. J. Ekins-Daukes*, Nobuaki Kojima

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   3610 - 3613   2004

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  • A Germanium Back-Contact Type Cell with Improved Efficiency for Thermo-Photovoltaic Reviewed

    T. Nagashima Toyota Motor Co.*, K. Hokoi Toyota Motor Co.*, K. Okumura Toyota Motor Co.*, K. Kawaguchi Toyota Central Lab.*, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   101 - 104   2004

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  • Ion Beam Induced Effects in RF Plasma CVD Deposited Hydrogenated a-C Films and Attempts on Fabrication of Carbon-Based Solar Cells Reviewed

    K. L. Narayanan Nagoya Inst. Tech.*, T. Soga Nagoya Inst. Tech.*, N. J. Ekins-Daukes*, Yoshio Ohshita, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   231 - 234   2004

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  • Carrier Removal and Defect Generation in Lattice-Mismatched InGaP under 1MeV Electron Irradiation Reviewed

    N. J. Ekins-Daukes*, H. S. Lee*, T. Sasaki 修士1*, Masafumi Yamaguchi, A. Khan Univ. South Alabama*, T. Takamoto 1998博士修了・SHARP*, T. Agui SHARP*, K. Kamimura SHARP*, M. Imaizumi 1999博士修了・JAXA*, T. Kamiya JAERI*

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   3640 - 3643   2004

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  • Packaging III-V Tandem Solar Cells for Practical Terrestrial Applications Achievable to 28 % of Module Efficiency by Conventional Machine Assemble Technology and Possibility of 500 X and low weight HCPV for Space Reviewed

    K. Araki Daido Steel*, M. Kondo Daido Steel*, H. Uozumi Daido Steel*, Y. Kemmoku Toyohashi Sozo College*, N. J. Ekins-Daukes*, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   3662 - 3665   2004

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  • Physics Based Studies on the Unique Properties of Radiation Induced Dominant Recombination Center in InGaP Space Solar Cells Reviewed

    M. Adachi Tottori Univ.*, A. Khan Univ. South Alabama*, K. Ando Tottori Univ.*, N. J. Ekins-Daukes*, H. S. Lee*, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   3678 - 3681   2004

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  • Chemical Beam Epitaxy of InGaAsN for Four-Junction Tandem Solar Cell Application Reviewed

    K. Nishimura 修士2*, Y. Yagi 2004修士修了・豊田自動織機*, H. S. Lee*, N. J. Ekins-Daukes*, Yoshio Ohshita, Nobuaki Kojima, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   3712 - 3714   2004

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  • The Design Specification for Syracuse; A Multi-Junction Concentrator System Computer Model Reviewed

    N. J. Ekins-Daukes*, Y. Kemmoku Toyohashi Sozo College*, K. Araki Daido Steel*, T. R. Betts Loughborough Univ.*, R. Gottschalg Loughborough Univ.*, D. G. Infield Loughborough Univ.*, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   2466 - 2469   2004

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  • Micro-Defects and Impurities in Cast-Grown Polycrystalline Si Reviewed

    Yoshio Ohshita, Y. Nishikawa 2004卒業・愛三工業*, T. Sasaki 修士1*, M. Tachibana*, H. S. Lee*, V. K. Tuong 2004博士満了*, K. Arafune*, S. Tanaka Nagoya Univ.*, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   821 - 824   2004

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  • Thermophotovoltaic Power Generation with Microstructured Tungsten Selective Emitters Reviewed

    H. Sai*, T. Kamikawa Tohoku Univ.*, Y. Kanamori Tohoku Univ.*, K. Hane Tohoku Univ.*, H. Yugami Tohoku Univ.*, Masafumi Yamaguchi

    Proc.19th European Photovoltaic Solar Energy Conference and Exhibition, (WIP/ETA, 2004)   3787 - 3790   2004

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  • Present Status and Future of Crystalline Silicon Solar Cells Reviewed

    Masafumi Yamaguchi, Yoshio Ohshita, K. Arafune*, H. Sai*, M. Tachibana*

    Proc. Korean Conference on Innovative Science and Technology 2004   44 - 54   2004

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  • R&D Activities on III-V High-Efficiency, Rad-Hard Solar Cells in Japan Reviewed

    M. Imaizumi 1999博士修了・JAXA*, T. Sumita JAXA*, M. Tajima JAXA*, Masafumi Yamaguchi

    Proc. 6th International Workshop on Radiation Effects on Semiconductor Devices for Space Application, Japan (JAXA and JAERI, 2004)   75 - 80   2004

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  • Minority-Carrier Injection Annealing on the Radiation-Induced Defects in AlInGaP for High Efficiency Multi-Junction Solar Cells Reviewed

    H. S. Lee*, N. J. Ekins-Daukes*, T. Sasaki 修士1*, A. Khan Univ. South Alabama*, T. Takamoto 1998博士修了・SHARP*, T. Agui SHARP*, K. Kamimura SHARP*, M. Kaneiwa SHARP*, Masafumi Yamaguchi

    Proc. 6th International Workshop on Radiation Effects on Semiconductor Devices for Space Application, Japan (JAXA and JAERI, 2004)   133 - 136   2004

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  • Future Development of InGaP/(In)GaAs Based Multijunction Solar Cells Reviewed

    T. Takamoto 1998博士修了・SHARP*, T. Agui SHARP*, H. Washio SHARP*, N. Takahashi SHARP*, K. Nakamura SHARP*, O. Anzawa SHARP*, M. Kaneiwa SHARP*, K. Kamimura SHARP*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   519 - 524   2004

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  • Signature of Intermediate Band Materials from Luminescence Measurements Reviewed

    N. J. Ekins-Daukes*, C. B. Honsberg Univ. Delaware*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   49 - 54   2004

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  • Defect Observation of AlInGaP Irradiated with 30keV Protons for Multi-Junction Space Solar Cells Reviewed

    H. S. Lee*, N. J. Ekins-Daukes*, T. Sasaki 修士1*, Masafumi Yamaguchi, A. Khan Univ. South Alabama*, T. Takamoto 1998博士修了・SHARP*, T. Agui SHARP*, K. Kamimura SHARP*, M. Imaizumi 1999博士修了・JAXA*, H. Itoh JAERI*

    Proc. 31st IEEE Photovoltaic Specialists Conference   556 - 558   2004

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  • Minimum Performance Criteria for Quantum Well Based Junctions in Multi-Junction Solar Cells Reviewed

    N. J. Ekins-Daukes*, R. P. Raffaelle Rochester Inst. Tech.*, K. W. J. Barnham Imperial College*, I. M. Ballad Imperial College*, A. Freundlich Univ. Houston*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   86 - 89   2004

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  • A Germanium Back Contact Type Cell for Thermophotovoltaics Reviewed

    T. Nagashima Toyota Motor Co.*, K. Hokoi Toyota Motor Co.*, K. Okumura Toyota Motor Co.*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   659 - 662   2004

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  • Native and Radiation Induced Defects in Lattice Mismatched InGaAs and InGaP Reviewed

    N. J. Ekins-Daukes*, K. Arafune*, H. S. Lee*, T. Sasaki 修士1*, Masafumi Yamaguchi, A. Khan Univ. South Alabama*, T. Takamoto 1998博士修了・SHARP*, T. Agui SHARP*, M. Kaneiwa SHARP*, T. Ohshima(JAERI)、H. Itoh(JAERI)*

    Proc. 31st IEEE Photovoltaic Specialists Conference   683 - 686   2004

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  • Field Test and Analysis: The Behavior of 3-J Concentrator Cells Under The Control of Cell Temperature Reviewed

    H. S. Lee*, N. J . Ekins-Daukes*, K. Araki Daido Steel*, Y. Kemmoku Toyohashi Sozo College*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   754 - 757   2004

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  • Numerical Study on Tungsten Selective Radiators with Various Micro/Nano Structures Reviewed

    H. Sai*, Y. Kanamori Tohoku Univ.*, K . Hane Tohoku Univ.*, H. Yugami Tohoku Univ.*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   762 - 765   2004

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  • Carbon Related Defects and Iron Distribution in Cast-Grown Polycrystalline Silicon Reviewed

    Yoshio Ohshita, K. Arafune*, T. Sasaki 修士1*, M. Tachibana*, Y. Terada JASRI Spring-8*, S. Tanaka Nagoya Univ.*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   1269 - 1272   2004

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  • Comparison of Thermal Annealing Behavior of Radiation Induced Defects in Lattice Mismatched InGaP and AlInGaP Solar Cells Structures Reviewed

    A. Khan Univ. South Alabama*, S. Marupaduga Univ. South Alabama*, M. Alam Univ. South Alabama*, N. J. Ekins-Daukes*, H. S. Lee*, T. Sasaki 修士1*, Masafumi Yamaguchi

    Proc. 31st IEEE Photovoltaic Specialists Conference   663 - 666   2004

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  • Thermophotovoltaic systems for civilian and industrial applications in Japan Reviewed

    Hiroo Yugami Tohoku University*, Hiromi Sasa Tohoku University*, Masafumi Yamaguchi

    Semiconductor science and technology   18   239 - 246   2003

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  • 集光式太陽光発電の将来性 Reviewed

    Masafumi Yamaguchi

    太陽エネルギー   29 ( 5 )   2 - 3   2003

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  • Metastability effects in InGaP solar cells Reviewed

    G. C. Sun Universite Pierre et Marie Curie*, J. C. Bourgoin Universite Pierre et Marie Curie*, N. de Angelis Universite Pierre et Marie Curie*, Masafumi Yamaguchi, A. Khan University of South Alabama*, T. Takamoto 1998博士修了・Sharp*, O. Gilard Centre National d'Et*

    Solar Energy Materials and Solar Cells   75   293 - 298   2003

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  • Low-energy proton-induced defects in n+/p InGaP solar cells Reviewed

    N. Dharmarasu ATR*, Masafumi Yamaguchi, A. Khan University of South Alabama*, T. Takamoto 1998博士修了・Sharp*, T. Ohshima JAERI*, H. Itoh JAERI*, M. Imaizumi 1999博士修了・JAXA*, S. Matsuda JAXA*

    Solar Energy Materials and Solar Cells   75   327 - 333   2003

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  • Energy level of minority carrier trap centers induced by light illumination in B-doped Cz-Si solar cells Reviewed

    Tuong Khanh Vu 博士3*, Yoshio Ohshita, Yasutaka Yagi 修士2*, Nobuaki Kojima, Masafumi Yamaguchi

    Materials Science in Semiconductor Processing   6   551 - 553   2003

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  • Radiation-resistant projperies of Ga-doped Si analyzed by DLTS Reviewed

    Masafumi Yamaguchi, A. Khan University of South Alabama*, T. K. Vu 博士3*, Yoshio Ohshita, T. Abe Shin-etsu Handotai*

    Physica B   340-342   596 - 600   2003

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  • Packaging III-V Tandem Solar Cells for Practical Terrestrial Applications Achievable to 27% of Module Efficiency by Conventional Machine Assembly Technology. Reviewed

    K. Araki Daido Steel Co.*, M. Kondo Daido Steel Co.*, H. Uozumi Daido Steel Co.*, N. J. Ekins-Daukes*, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   503 - 504   2003

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  • Can A Spectrally Robust Multi-Junction Solar Cell Be Made Using Bypass Diodes? Reviewed

    N. J. Ekins-Daukes*, K. Araki Daido Steel Co.*, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   511 - 512   2003

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  • Analysis of Radiation Response of Triple-Junction Space Solar Cells and Component Sub-Cells. Reviewed

    T. Sumita JAXA*, M. Imaizumi 1999博士修了・JAXA*, S. Kuwajima JAXA*, T. Ohshima JAERI*, A. Ohi JAERI*, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   563 - 564   2003

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  • Analysis of Radiation Response of Cu(In,Ga)Se2 Thin-Film Solar Cells by Spectral Response Characteristics. Reviewed

    S. Kawakita JAXA*, Tokyo Institute of Technology)*, M. Imaizumi 1999博士修了・JAXA*, S. Kuwajima JAXA*, S. Yoda JAXA/ Tokyo Institute of Technology*, T. Ohshima JAERI*, T. Kamiya JAERI*, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   597 - 598   2003

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  • Optical and Electrical Properties of C60/a-C Superlattice Structures for Solar Cell Applications. Reviewed

    Nobuaki Kojima, Y. Sugiura 2003学部卒業・アイシン精機*, T. Terayama 学部4*, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   697 - 698   2003

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  • Sunshine environment and spectrum analysis for concentrator PV systems in Japan Reviewed

    Kenji Araki 大同特殊鋼(株)*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   75   715 - 721   2003

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  • Influences of spectrum change to 3-junction concentrator cells Reviewed

    Kenji Araki 大同特殊鋼(株)*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   75   707 - 714   2003

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  • Extended distributed model for analysis of non-ideal concentration operation Reviewed

    Kenji Araki 大同特殊鋼(株)*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   75   467 - 473   2003

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  • Novel equivalent circuit model and statistical analysis in parameters identification Reviewed

    Kenji Araki 大同特殊鋼(株)*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   75   457 - 466   2003

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  • Electron spin resonance studies on defects in phosphorus ion-implanted C60 films Reviewed

    N. F. Fahim National Research Center*, Nobuaki Kojima, Masafumi Yamaguchi, Yoshio Ohshita, A. E. Eid National Research Center*, N. Dharmarasu (株)国際電気通信基礎技術研究所*

    Solar Energy Materials and Solar Cells   75   411 - 420   2003

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  • Generation of interstitial boron by minority-carrier injection Reviewed

    Yoshio Ohshita, Tuong Khanh Vu 博士2*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   75   405 - 409   2003

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  • Photovoltaic effects of a:C/C60/Si (p-i-n) solar cell structures Reviewed

    K. L. Narayanan 産業技術総合研究所*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   75   345 - 350   2003

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  • Analysis for superior radiation resistance of InP-based solar cells Reviewed

    Masafumi Yamaguchi, Aurangzeb Khan University of South Alabama*, Nethaji Dharmarasu (株)国際電気通信基礎技術研究所*

    Solar Energy Materials and Solar Cells   75   285 - 291   2003

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  • Strategies for improving radiation tolerance of Si space solar cells Reviewed

    A. Khan University of South Alabama*, Masafumi Yamaguchi, Yoshio Ohshita, N. Dharmarasu (株)国際電気通信基礎技術研究所*, K. Araki 大同特殊鋼(株)*, V. T. Khanh 博士2*, H. Itoh Japan Atomic Energy Research Institute*, T. Ohshima Japan Atomic Energy Research Institute*

    Solar Energy Materials and Solar Cells   75   271 - 276   2003

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  • Ⅲ-Ⅴ compound multi-junction solar cells: present and future Reviewed

    Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   75   261 - 269   2003

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  • Multi-junction solar cells and novel structures for solar cell applications Reviewed

    Masafumi Yamaguchi

    Physica E   14   84 - 90   2003

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  • Temperature dependence of electron spin resonance and electrical conductivity in P+-implanted C60 films and their derivatives Reviewed

    N. F. Fahim National Research Center*, Nobuaki Kojima, Masafumi Yamaguchi, Yoshio Ohshita, B. N. Barsoum Cairo University*, A. E. Eid National Research Center*

    Journal of Applied Physics   93 ( 5 )   2671 - 2675   2003

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  • Fictive-temperature-dependence of photoinduced self-trapped holes in a-SiO2 Reviewed

    Masafumi Yamaguchi, Kazuya Saito, A. J. Ikushima*

    Physical Review B   68   153204   2003

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  • Super High Efficiency Multi-Junction and Concentrator Solar Cells Reviewed

    Masafumi Yamaguchi, T. Takamoto 1998博士修了・SHARP*, K. Araki Daido Steel Co.*

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   497 - 500   2003

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  • Ion Beam Induced Effects in RF Plasma Chemical Vapor Deposition Deposited Hydrogenated Amorphous Carbon Thin Films Reviewed

    Kannan L. Narayanan Nagoya Institute of Technology*, Tetsuo Soga Nagoya Institute of Technology*, Yoshio Ohshita, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 2   42 ( 8B )   L1021 - L1024   2003

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  • Silica waveguides fabricated by oxidization of selectively anodized porous silicon Reviewed

    Seiichi Nagata*, Shinobu Matsushita ハイテック*, Kazuya Saito, Yoshio Ohshita, Yoshinobu Maeda*, Masafumi Yamaguchi, Akira J. Ikushima*

    Applied Physics Letters   82 ( 16 )   2559 - 2561   2003

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  • 海外における集光式太陽光発電の開発動向 Reviewed

    荒木建次 大同特殊鋼*, Masafumi Yamaguchi

    太陽エネルギー   29 ( 5 )   31 - 39   2003

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  • Fabrication of Thin-Film Polycrystalline Silicon Solar Cells by Silane-Gas-Free Process Using Aluminum-Induced Crystallization Reviewed

    Tadashi ITO TOYOTA Central Research and Development Laboratories*, Hideoki FUKUSHIMA TOYOTA Central Research and Development Laboratories*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 1   42 ( 4A )   1526 - 1532   2003

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  • Multijuction Solar Cell Technologies - High Efficiency, Radiation Resistance, and Concentrator Applications Reviewed

    T. Takamoto 1998博士修了・SHARP*, Takaaki Agui SHARP*, Kunio Kamimura SHARP*, Minoru Kaneiwa SHARP*, Mitsuru Imaizumi 1999博士修了・JAXA*, Sumio Matsuda JAXA*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   581 - 586   2003

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  • STUDY OF RADIATION RESPONSE ON SINGLE JUNCTION COMPONENT SUBCELLS IN TRIPLE JUNCTION SOLAR CELLS Reviewed

    Mitsuru Imaizumi 1999博士修了・JAXA*, Tatsuya Takamoto 1998博士修了・SHARP*, Taishi Sumita JAXA*, Takeshi Ohshima JAERI*, Masafumi Yamaguchi, Sumio Matsuda JAXA*, Akihiko Ohi JAERI*, Tomihiro Kamiya JAERI*

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   599 - 602   2003

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  • EFFECTS OF IMPURITIES ON GENERATION OF RADIATION-INDUCED DEFECTS IN Si SINGLECRYSTALS AND SPACE SOLAR CELLS Reviewed

    K. Nishimura 修士1*, Masafumi Yamaguchi, O. Anzawa JAXA*, T. K. Vu 博士3*, A. Khan University of South Alabama*, Yoshio Ohshita, T. Abe JAERI*, M. Imaizumi 1999博士修了・JAXA*, T. Ohshima JAERI*

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   603 - 605   2003

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  • DEVELPMENT OF A ROBUST AND HOIGH EFFICIENCYCONCENTRATOR RECEIVER Reviewed

    Kenji Araki Daido Steel Co.*, Michio Kondo Daido Steel Co.*, Hisafumi Uozumi Daido Steel Co.*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   630 - 633   2003

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  • ENERGY LEVEL OF MINORITY CARRIER TRAP CENTERS INDUCED BY LIGHT ILLUMINATION IN B-DOPED Cz-Si SOLAR CELLS Reviewed

    Tuong Khanh Vu 博士3*, Yoshio Ohshita, Yasutaka Yagi 修士2*, Nobuaki Kojima, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion、WCPEC-3   1025 - 1027   2003

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  • HIGH- SPEED GROWTH OF SILICON THIN FILMS BY EBEP-CVD USING SI2H6 Reviewed

    Yagi Yasutaka 修士2*, Motegi Hideaki 2001修士修了・矢崎総業*, Yoshio Ohshita, Masafumi Yamaguchi, Nobuaki Kojima

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion, WCPEC-3   1667 - 1670   2003

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  • CONSIDERATION FOR IMPROVING RADIATION-RESISTANCE OF InGaP/GaAs AND InGaP/X/Ge MULTI-JUNCTION SOLAR CELLS Reviewed

    Masafumi Yamaguchi, Tatsuya Takamoto 1998博士修了・SHARP*, Aurangzeb Khan University of South Alabama*, Koshi Ando Tottori University*, Masahiro Adachi Tottori University*, Nethaji Dharmarasu ATR International*, Mitsuru Imaizumi 1999博士修了・JAXA*, Sumio Matsuda JAXA*

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   685 - 688   2003

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  • SUPER RADIATION TOLERANCE OF CIGS SOLAR CELLS DEMONSTRATED IN SPACE BY MDS-1 SATELLITE Reviewed

    Shirou Kawakita JAXA・Tokyo Institute of Technology*, Mitsuru Imaizumi 1999博士修了・JAXA*, Katsumi Kushiya Showa Shell Sekiyu*, Takeshi Ohshima JAERI*, Masafumi Yamaguchi, Sumio Matsuda JAXA*, Shinichi Yoda JAXA・ Tokyo Institute of Technology*, Tomihiro Kamiy*

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   693 - 696   2003

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  • EFFECTS OF GALLIUM IMPURITY ON RADIATION-RESISTANCE OF Si SINGLE CRYSTAL SPACE SOLAR CELLS Reviewed

    Masafumi Yamaguchi, Aurangzeb Khan University of South Alabama*, Tuong Khanh Vu 博士3*, Yoshio Ohshita, Masami Tachibana*, Takao Abe Shin-etsu Handotai Handotai Co.*, Mitsuru Imaizumi 1999博士修了・JAXA*, Sumio Matsuda JAXA*

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   701 - 704   2003

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  • ANALYSIS OF RADIATION RESPONSE OF InGaP, InGaAsP, AND InGaAs SOLAR CELLS BY DISPLACEMENT DAMAGE DOSE APPROACH Reviewed

    Nethaji Dharmarasu ATR International*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   730 - 733   2003

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  • STUDY OF THE SPACE FACTOR FOR SPECTRUM-SENSITIVE MJ SOLAR CELL ARRAYS Reviewed

    Kenji Araki Daido Steel Co.*, Yoshishige Kemmoku Toyohashi Sozo University*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   2350 - 2353   2003

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  • THEORETICAL STUDIES OF LIGHT INDUCED DEFFECTS IN Cz-Si Reviewed

    Yoshio Ohshita, Tuong Khanh Vu 博士3*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion、WCPEC-3   114 - 117   2003

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  • PHOTOCONDUCTIVITY PROPERTIES OF C60 / a-C SUPERLATTICE STRUCTURES AS A NEW MATERIAL FOR ABSORPTION LAYERS Reviewed

    Nobuaki Kojima, Yusuke Sugiura 2003学部卒業・アイシン精機*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion, WCPEC-3   130 - 132   2003

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  • CRACKING BUCKY BALLS FOR PV APPLICATIONS Reviewed

    Kannan L. Narayanan Nagoya Institute of Technology*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion, WCPEC-3   161 - 164   2003

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  • MATERIAL STUDY FOR THE SOLAR MODULE UNDER HIGHCONCENTRATION UV EXPOSURE Reviewed

    Kenji Araki Daido Steel Co.*, Michio Kondo Daido Steel Co.*, Hisafumi Uozumi Daido Steel Co.*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   805 - 808   2003

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  • EXPERIMENTAL PROOF AND THEORETICAL ANALYSIS ON EFFECTIVENESS OF PASSIVE HOMOGENIZERS TO 3J CONCENTRATOR SOLAR CELLS Reviewed

    Kenji Araki Daido Steel Co.*, Michio Kondo Daido Steel Co.*, Hisafumi Uozumi Daido Steel Co.*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   853 - 856   2003

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  • POSSIBILITY OF HIGH-EFFICIENCY THIN FILM SILICON SOLAR CELLS BY SiH4-GAS-FREE PROCESS Reviewed

    Tadashi Ito TOYOTA Central Research*, Hideoki Fukushima TOYOTA Central Research*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   291 - 294   2003

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  • WHICH IS THE BEST NUMBER OF JUNCTIONS FOR SOLAR CELLS UNDER EVER-CHANGING TERRESTRIAL SPECTRUM? Reviewed

    Kenji Araki Daido Steel Co.*, Masafumi Yamaguchi, Michio Kondo Daido Steel Co.*, Hisafumi Uozumi Daido Steel Co.*

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   307 - 310   2003

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  • A GERMANIUM BACK-CONTACT TYPE CELL FOR THERMOPHOTOVOLTAIC APPLICATIONS Reviewed

    Tomonori Nagashima Toyota Motor Corporation*, Kenichi Okumura Toyota Motor Corporation*, Kiyohito Murata Toyota Motor Corporation*, Masafumi Yamaguchi

    Proc. of the 3rd World Conference on Photovoltaic Energy Conversion,WCPEC-3   200 - 203   2003

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  • Chemical Beam Epitaxy System for High Efficiency Solar Cell Fabrication. Reviewed

    Y. Yagi 修士2*, Yoshio Ohshita, K. Nishimura 修士1*, H. S. Lee*, Nobuaki Kojima, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   117 - 118   2003

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  • Generation Mechanism of Defects Induced by Light Irradiation in B-doped Cz-Si. Reviewed

    Yoshio Ohshita, T. K. Vu 博士3*, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   167 - 168   2003

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  • Defects in Polycrystalline Silicon Study for High Effciency Solar Cells Application. Reviewed

    T. K. Vu 博士3*, Y. Nishikawa 学部4*, Yoshio Ohshita, Kenji Araki Daido Steel Co.*, Nobuaki Kojima, Masami Tachibana*, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   239 - 240   2003

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  • Achievement of 28% Efficient and 200Wp Concentrator Module and the Technological Roadmap Towards Realisation of More Than 31% Efficient Modules. Reviewed

    K. Araki Daido Steel Co.*, M. Kondo Daido Steel Co.*, H. Uozumi Daido Steel Co.*, N. J. Ekins-Daukes*, Y. Kemmoku Toyohashi Sozo College*, Masafumi Yamaguchi

    Tech. Digest 14th International Photovoltaic Science and Engineering Conference, PVSEC-14   427 - 428   2003

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  • Self-Aligned Formation of Porous Silicon Membranes Using Si Diaphragm Structures Reviewed

    T. Kobayashi アイシン精機(株)*, 大澤 潤, S. Nagata*, 原 民夫, N. Yamaguchi*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 2   41 ( 8B )   L963 - L965   2002.8

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  • Interstitial boron and oxygen related defects as the origin of the deep energy level in Czochralski-grown silicon Reviewed

    Yoshio Ohshita, T. K. Vu 博士1*, Masafumi Yamaguchi

    Journal of Applied Physics   91 ( 6 )   3741 - 3744   2002.3

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  • Effects of proton irradiation on n+p InGaP solar cells Reviewed

    N. Dharmarasu*, A. Khan*, Masafumi Yamaguchi, T. Takamoto Japan Energy Corporation*, T. Ohshima Japan Atomic Energy Research Institute*, H. Itoh Japan Atomic Energy Research Institute*, M. Imaizumi 1999博士修了・NASDA*, S. Matsuda NASDA*

    Journal of Applied Physics   91 ( 5 )   3306 - 3311   2002.3

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  • Excimer-laser-irradiation-induced effects in C60 films for photovoltaic applications Reviewed

    K. L. Narayanan*, Masafumi Yamaguchi, H. Azuma Toyota Central R&D Laboratories,Inc.*

    Applied Physics Letters   80 ( 7 )   1285 - 1287   2002.2

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  • Thermal annealing study of 1 MeV electron-irradiation-induced defects in n+p InGaP diodes and solar cells Reviewed

    A. Khan*, Masafumi Yamaguchi, J. C. Bourgoin P.&M. Curie大学*, T. Takamoto 1998博士修了・Japan Energy Corporation*

    Journal of Applied Physics   91 ( 4 )   2391 - 2397   2002.2

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  • ENHANCEMENT IN THE END OF LIFE PERFORMANCE OF SINGLE JUNCTION AND DUAL JUNCTION InGaP/GaAs SOLAR CELLS UNDER LOW CONCENTRATION RATIOS Reviewed

    A. Khan The Ohio State University*, Masafumi Yamaguchi, K. Araki 大同特殊鋼*, N. Dharmarasu*, T. Takamoto Japan Eenergy Co.*, H. Itoh JAERI*, T. Ohshima JAERI*, M. Imaizumi NASDA*, S. Matsuda NASDA*

    Proceedings 17th European Photovoltaic Solar Energy Conference   2175 - 2178   2002

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  • 高効率化および低コスト化を追求する化合物半導体系太陽電池 Reviewed

    Masafumi Yamaguchi

    PETROTECH   25 ( 3 )   176 - 178   2002

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  • Generation and Annihilation of Boron-Oxygen Related Defects in Boron doped Czochralski grown Si Solar Cells Reviewed

    Tuong Khanh Vu 博士2*, Yoshio Ohshita, Kenji Araki 大同特殊鋼*, Masafumi Yamaguchi

    Journal of Applied Physics   91 ( 8 )   4853 - 4856   2002

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  • Majority-and minority-carrier deep level traps in proton-irradiated n+/p-InGaP space solar cells Reviewed

    Nethaji Dharmarasu*, Masafumi Yamaguchi, Jacques C. Bourgoin Universite Pierre et Marie Curie*, Tatsuya Takamoto 1998博士修了・シャープ*, Takeshi Ohshima JAERI*, Hisayoshi Itoh JAERI*, Mitsuru Imaizumi 1999博士修了・NASDA*, Sumio Matsuda NASDA*

    Applied Physics Letters   81 ( 1 )   64 - 66   2002

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  • Effects of ions and electrons in electron-beam-excited plasma assisted CVD on nanocrystalline silicon film properties Reviewed

    Yoshio Ohshita, K. Yamaguchi 愛知製鋼*, H. Motegi 矢崎総業/2001修士修了*, Masafumi Yamaguchi

    Journal of Crystal Growth   237-239   1394 - 1398   2002

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  • A comprehensive electron paramagnetic resonance study of influence of annealing on defect center in phosphorus ion-implanted C60 films Reviewed

    N. F. Fahim National Research Center*, Nobuaki Kojima, Masafumi Yamaguchi, Yoshio Ohshita, A. Eid National Research Center*, B. Barsoum Cairo University*

    Materials Science in Semiconductor Processing   5 ( 6 )   483 - 490   2002

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  • Fabrication Technique and Optical Properties of Carbon-Based Superlattice Structures Reviewed

    Nobuaki Kojima, Masafumi Yamaguchi

    Proceedings 17th European Photovoltaic Solar Energy Conference   314 - 316   2002

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  • UV irradiation effects in C60 thin films for photovoltaic applications Reviewed

    K. L. Narayanan*, Masafumi Yamaguchi, H. Azuma TOYOTA Central R&D Labs.Inc*

    Proceedings 17th European Photovoltaic Solar Energy Conference   58 - 60   2002

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  • Improvement of mismatching in concentrator modules using III-V cells Reviewed

    K. Araki 大同特殊鋼*, Masafumi Yamaguchi

    Proceedings 17th European Photovoltaic Solar Energy Conference   2187 - 2190   2002

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  • EFFECTS OF IMPURITIES ON GENERATION OF RADIATION-INDUCED DEFECTS IN Si SINGLE CRYSTALS AND SPACE SOLAR CELLS Reviewed

    T. K. Vu 博士2*, Masafumi Yamaguchi, O. Anzawa NASDA*, A. Khan University of South Alabama*, Yoshio Ohshita, T. Abe Shin-etsu Handotai Co*, M. Imaizumi 1999博士修了・NASDA*, S. Matsuda NASDA*, T. Ohshima JAERI*, H. Itoh JAERI*

    Proceedings Of the 5th International Workshop on Radiation Effects on Semiconductor Devices for Space Application   109 - 112   2002

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  • OXIDATION PROCESS EFFECTS ON LIGHT-DEGRADATION IN B-DOPED Si SOLAR CELLS Reviewed

    Tuong Khanh Vu 博士2*, Yoshio Ohshita, Kenji Araki 大同特殊鋼*, Masafumi Yamaguchi

    Proceedings 17th European Photovoltaic Solar Energy Conference   1705 - 1707   2002

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  • LOW TEMPERATURE ELECTRON PARAMAGNETIC RESONANCE STUDIES AND SPIN SUSCEPTIBILITY OF PHOSPHORUS-IMPLANTED C60 FILMS FOR SOLAR CELLS Reviewed

    N. F. Fahim National Research Center*, Nobuaki Kojima, Masafumi Yamaguchi, Yoshio Ohshita, A. E. Eid National Research Center*, M. Khalil National Research Center*, N. Yossef National Research Center*

    Proceedings 29th IEEE Photovoltaic Specialists Conference   1194 - 1197   2002

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  • A SIMPLE PASSIVE COOLING STRUCTURES AND ITS HEAT ANALYSIS FOR 500 X CONCENTRATOR PV MODULE Reviewed

    Kenji Araki Daido Steel Co. Ltd.*, Hisafumi Uozumi Daido Steel Co.Ltd.*, Masafumi Yamaguchi

    Proceedings 29th IEEE Photovoltaic Specialists Conference   1568 - 1571   2002

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  • CONSIDERATION ON UNIQUE RADIATION -TOLERANCE PROPERTIES OF SOLAR CELLS MADE WITH InP-FAMILY Reviewed

    Masafumi Yamaguchi, Aurangzeb Khan Department of electrical,computer engineering*, Nethaji Dharmarasu ATR*

    Proceedings 29th IEEE Photovoltaic Specialists Conference   792 - 795   2002

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  • HIGH PERFORMANCE AND RADIATION-RESISTANCE OF GaAs-on-Si SOLAR CELLS WITH NOVEL STRUCTURES Reviewed

    Masafumi Yamaguchi, Yoshiro Ohmachi Ashikaga Inst. Tech.*, Yoshitaka Kadota NTT Photonics Labs.*, Mitsuru Imaizumi 1999博士修了・NASDA*, Sumio Matsuda NASDA*

    Proceedings 29th IEEE Photovoltaic Specialists Conference   860 - 863   2002

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  • JAPANESE R&D ACTIVITIES OF MULTI-JUNCTION AND CONCENTRATOR SOLAR CELLS Reviewed

    Masafumi Yamaguchi, Kenji Araki Daido Steel Co. Ltd.*

    Proceedings 29th IEEE Photovoltaic Specialists Conference   820 - 823   2002

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  • RADIATON EFFECTS ON HIGH-EFFICIENCY InGaP/InGaAs/Ge TRIPLE-JUNCTION SOLAR CELLS DEVELOPED FOR TERRESTRIAL USE Reviewed

    Mitsuru Imaizumi 1999博士修了・NASDA*, Tatsuya Takamoto 1998博士修了・Sharp Corporation*, Takeshi Ohshima Japan Atomic Energy Research Institute*, Masafumi Yamaguchi, Hisayoshi Itoh Japan Atomic Energy Research Institute*

    Proceedings 29th IEEE Photovoltaic Specialists Conference   990 - 993   2002

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  • FUNDAMENTAL UNDERSTANDING OF RADIATION-INDUCED DEFECTS IN n+ p InGaP SOLAR CELLS Reviewed

    Aurangzeb Khan The Ohio State University*, Masafumi Yamaguchi, Jacques C. Bourgoin Universite Pierre et Marie Curie*, Tatsuya Takamoto 1998博士修了・Sharp Corporation*

    Proceedings 29th IEEE Photovoltaic Specialists Conference   1002 - 1005   2002

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  • IN-SITU MEASUREMENT OF DEGRADATION OF Cu(In,Ga)Se2 THIN FILM SOLAR CELLS DURING ELECTRON AND PROTON IRRADIATIONS Reviewed

    Shirou Kawakita National Space Development Agency of Japan*, Mitsuru Imaizumi 1999博士修了・National Space Development Agency of Japan*, Masafumi Yamaguchi, Katsumi Kushiya Showa Shell Sekiyu K.K, Central R&D Lab.*, Takeshi Ohshima Japan Atomic Energy Research*

    Proceedings 29th IEEE Photovoltaic Specialists Conference   978 - 981   2002

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  • Prospects of Multi-Bandgap, Multi-Junction Solar Cellws Reviewed

    Masafumi Yamaguchi

    Proceedings of the 2nd Workshop The Path To Ultra-High Efficient Photovoltaics   99 - 109   2002

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  • ANALYSIS FOR SUPERIOR RADIATION-RESISTANCE OF MULTI-JUNCTION SOLAR CELLS Reviewed

    Masafumi Yamaguchi, A. Khan University of South Alabama*, N. Dharmarasu (株)国際電気通信基礎技術研究所*, T. Takamoto 1998博士修了・Sharp Co.*, T. Ohshima JAERI*, H. Itoh JAERI*, M. Imaizumi 1999博士修了・NASDA*, S. Matsuda NASDA*

    Proceedings of The 5th International Workshop on Radiation Effects on Semiconductor Devices for Space Application   117 - 120   2002

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  • INVESTIGATIONS ON THE CARRIER REMOVAL EFFECT AND DEEP LEVEL DEFECTS IN PROTON IRRADIATED InGaP SPACE SOLAR CELLS Reviewed

    N. Dharmarasu*, Masafumi Yamaguchi, A. Khan The Ohio State University*, T. Takamoto Japan Energy Co.*, T. Ohshima JAERI*, H. Itoh JAERI*, M. Imaizumi NASDA*, S. Matsuda NASDA*

    Proceedings 17th European Photovoltaic Solar Energy Conference   2238 - 2241   2002

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  • Annealing Enhancement Effect by Light Illumination on Proton Irradiatted Cu(In,Ga)Se2 Thin-Film Solar Cells Reviewed

    Shirou Kawakita NASDA*, Mitsuru Imaizumi 1999博士修了・NASDA*, Masafumi Yamaguchi, Katsumi Kushiya Showa Shell Sekiyu K.K*, Takeshi Ohshima Japan Atomic Energy Research Institute*, Hisayoshi Itoh Japan Atomic Energy Research Institute*, Sumio Matsuda NASDA*

    Japanese Journal of Applied Physics.Part 2   41 ( 7A )   L797 - L799   2002

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  • Formation and relaxation processes of photoinduced defects in a Ge-doped SiO2 glass Reviewed

    Masafumi Yamaguchi, Kazuya Saito, A. J. Ikushima*

    Physical Review B   66   132106 - 1   2002

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  • ANALYSIS OF PERFORMANCE OF ADVANCED 1-AXIS CONCENTRATOR MODULE Reviewed

    K. Araki 大同特殊鋼*, M. Boreland*, Masafumi Yamaguchi

    Proceedings 17th European Photovoltaic Solar Energy Conference   544 - 547   2002

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  • PRESENT STATUS OF R&D FOR SUPER-HIGH-EFFICIENCY III-V COMPOUND SOLAR CELLS IN JAPAN (Plenary) Reviewed

    Masafumi Yamaguchi

    Proceedings 17th European Photovoltaic Solar Energy Conference   2144 - 2149   2002

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  • A COMPARATIVE STUDY ON THE PROTON IRRADIATED InGaP, InGaAsP AND InGaAs SPACE SOLAR CELLS Reviewed

    N. Dharmarasu*, Masafumi Yamaguchi, T. Takamoto Japan Energy Co.*, Y. Takashi Sumitomo Electric Industries Ltd.*, T. Tanabe Sumitomo Electric Industries Ltd.*, S. Takagishi Sumitomo Electric Industries Ltd.*, T. Ohshima JAERI*, H. Itoh JAERI*, M. Imaizumi NASDA*

    Proceedings 17th European Photovoltaic Solar Energy Conference   2159 - 2162   2002

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  • RADIATION HARD InGaAsP SOLAR CELL FOR MULTIJUNCTION SOLAR CELLS Reviewed

    A. Khan The Ohio State University*, Masafumi Yamaguchi, N. Dharmarasu*, Y. Takashi Sumitomo Electric Industries Ltd.*, S. Takagishi Sumitomo Electric Industries Ltd.*, T. Tanabe Sumitomo Electric Industries Ltd.*, H. Itoh JAERI*, T. Ohshima JAERI*, M. Imaizumi 1999博士修了・National Space Development Agency of Japan*

    Proceedings 17th European Photovoltaic Solar Energy Conference   2234 - 2237   2002

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  • High-radiation-resistant InGaP, InGaAsP, and InGaAs solar cells for multijuction solar cells Reviewed

    N. Dharmarasu*, Masafumi Yamaguchi, A. Khan*, T. Yamada Sumitomo Electric Industries Limited*, T. Tanabe Sumitomo Electric Industries Limited*, S. Takagishi Sumitomo Electric Industries Limited*, T. Takamoto 1998博士修了・Japan Energy Corporation*, T. Ohshima Japan Atmic Energy Research Institute*

    Applied Physics Letters   79 ( 15 )   2399 - 2401   2001.10

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  • Role of the impurities in production rates of radiation-induced defects in silicon materials and solar cells Reviewed

    A. Khan*, Masafumi Yamaguchi, Yoshio Ohshita, N. Dharmarasu*, K. Araki*, T. Abe Japan Atomic Energy Research Institute*, M. Imaizumi NASDA*, S. Matsuda 1999博士修了・NASDA*

    Journal of Applied Physics   90 ( 13 )   1170 - 1178   2001.8

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  • Radiation Resistant Low Bandgap InGaAsP Solar Cell for Multi-Junction Solar Cells Reviewed

    A. Khan*, Masafumi Yamaguchi, N. Dharmarasu*, T. Yamada Sumitomo Electric Industries Ltd.*, T. Tanabe Sumitomo Electric Industries Ltd.*, S. Takagishi Sumitomo Electric Industries Ltd.*, H. Itoh Japan Atomic Energy Research Institute*, T. Ohshima Japan Atomic Energy Research Institute*

    Japanese Journal of Applied Physics.Part 2   40 ( 7B )   L728 - 731   2001.7

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  • Phosphorous ion implantation in C60 for the photovoltaic applications Reviewed

    K. L. Narayanan*, Masafumi Yamaguchi

    Journal of Applied Physics   89 ( 12 )   8331 - 8335   2001.6

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  • Recombination enhanced defect reactions in 1 MeV electron irradiated p InGaP Reviewed

    A. Khan*, Masafumi Yamaguchi, J. C. Bourgoin Universite Pierre et Marie Curie*, K. Ando Tottori University*, T. Takamoto 1998年博士修了・シャープ*

    Journal of Applied Physics   89 ( 8 )   4263 - 4268   2001.4

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  • Electrical and optical properties of the B+ and P+ implanted C60 thin films Reviewed

    N. Dharmarasu*, T. Sakai H12修士修了*, Nobuaki Kojima, Masafumi Yamaguchi, Yoshio Ohshita, K. L. Narayanan*

    Journal of Applied Physics   89 ( 1 )   318 - 322   2001.1

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  • Proton Irradiation Effects in Single and Tandem InGaP Solar Cells Reviewed

    N. Dharmarasu*, A. Khan*, Masafumi Yamaguchi, T. Takamoto 1998博士修了・Japan Energy Corporation*, T. Ohshima Japan Atomic Energy Research Institute*, H. Itoh Japan Atomic Energy Research Institute*, M. Imaizumi 1999博士修了・National Space Development Agency of Japan*

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   681 - 682   2001

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  • Boron ion implantation effects in C60 films Reviewed

    K. L. Narayanan*, O. Goetzberger*, A. Khan*, Nobuaki Kojima, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   65   29 - 35   2001

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  • Analysis of energy balance of electricity and heat generated by TPV generators Reviewed

    Takashi Amano トヨタ自動車*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   66   579 - 583   2001

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  • Reduction of plasma-induced damage by electron beam excited plasma CVD Reviewed

    K. Okitsu 元PD研究員*, M. Imaizumi NASDA/H11博士終了*, K. Yamaguchi 愛知製鋼*, A. Khan*, Masafumi Yamaguchi, M. Ban 川崎重工*, M. Tokai 川崎重工*, K. Kawamura 中部電力*

    Solar Energy Materials and Solar Cells   65   185 - 191   2001

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  • An Si concentrator cell by single photolithography process Reviewed

    K. Araki 大同特殊鋼*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   65   437 - 443   2001

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  • Solar cell degradation by electron irradiation. Comparison between Si, GaAs and GaInP cells Reviewed

    N. de Angelis Universite Pierre et Marie Curie*, J. C. Bourgoin Universite Pierre et Marie Curie*, T. Takamoto ジャパンエナジー.H10博士修了*, A. Khan*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   66   495 - 500   2001

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  • Fabrication of C60/Amorphous Carbon Superlattice Structures Reviewed

    Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    Proc International Symposium on Nanonetwork Materials 2001   349 - 352   2001

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  • Characteristics of GaAs-based concentrator cells Reviewed

    K. Araki 大同特殊鋼*, Masafumi Yamaguchi, T, Takamoto 1998博士修了・ジャパンエナジー*, E, Ikeda ジャパンエナジー*, T, Agui ジャパンエナジー*, H. Kurita ジャパンエナジー*, K, Takahashi 日立電線*, T, Unno 日立電線*

    Solar Energy Materials and Solar Cells   66   559 - 565   2001

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  • Present status and prospects of photovoltaic technologies in Japan Reviewed

    Masafumi Yamaguchi

    Renewable and Sustainable Energy Reviews   ( 5 )   113 - 135   2001

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  • Low energy ion implantation and high energy heavy ion irradiation in C60 films Reviewed

    K. L. Narayanan*, Masafumi Yamaguchi, N. Dharmarasu*, Nobuaki Kojima, D. Kanjilal Nuclear Science Centre*

    Nuclear Instruments and Methods in Physics Research B   178   301 - 304   2001

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  • GaAs Solar Cells Grown on Si Substrates for Space Use Reviewed

    Masafumi Yamaguchi, Y. Ohmachi Ashikaga Institute Technology*, T. Oh'hara NTT Advanced Technology Co.*, Y. Kadota NTT Photonics Lab.*, M. Imaizumi 1999博士修了・NASDA*, S. Matsuda NASDA*

    Progress in Photovoltaics   9   191 - 201   2001

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  • Deep-level transient spectroscopy analysis of proton-irradiated n+/p InGaP solar cells Reviewed

    N. Dharmarasu*, Masafumi Yamaguchi, A. Khan*, T. Takamoto Japan Energy Corporation*, T. Ohshima Japan Atomic Energy Research Institute*, H. Itoh Japan Atomic Energy Research Institute*, M. Imaizumi NASDA*, S. Matsuda NASDA*

    Physica B   308-310   1181 - 1184   2001

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  • Radiation-resistant solar cells for space use Reviewed

    Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   68   31 - 53   2001

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  • 集光式太陽光発電システムの経済性 Reviewed

    荒木建次 大同特殊鋼*, Masafumi Yamaguchi

    電気製鋼   72 ( 4 )   231 - 238   2001

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  • Deep Level Transient Spectroscopy Analysis of 10 MeV Proton and 1 MeV Electron Irradiation-Iduced Defects in p-InGaP and InGaP-based Solar Cells Reviewed

    Aurangzeb Khan*, Masafumi Yamaguchi, Nethaji Dharmarasu*, Jacques Bourgoin Universite Pierre et Marie Curie*, Koshi Ando Tottori University*, Tatusya Takamoto 1998年博士修了・シャープ*

    Japanese Journal of Applied Physics.Part 1   41 ( 3A )   1241 - 1246   2001

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  • ESR STUDY OF STRUCTURAL DEFECT FORMATION IN P+-IMPLANTED AND ANNEALED C60 FILMS Reviewed

    N. F. Fahim*, Nobuaki Kojima, Masafumi Yamaguchi, Yoshio Ohshita, N. Dharmarasu*, T. Sakai 2000修士修了・イムラ材料研究所*

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   121 - 122   2001

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  • Generation of Interstitial Boron by Minority-Carrier Injection Reviewed

    Yoshio Ohshita, T. K. Vu 博士1*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   135 - 136   2001

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  • Photovoltaic Effects of a:c / C60/ Si (p- I -n) solar cell structures Reviewed

    K. L. Narayanan*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   137 - 138   2001

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  • Raman Study of The P-ion Implanted C60 Films Reviewed

    T. Sakai 2000修士修了・イムラ材料研究所*, Nobuaki Kojima, N. F. Fahim*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   149 - 150   2001

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  • Novel Equivalent Circuit Model and Statistical Analysis in Parameters Identification Reviewed

    K. Araki*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   169 - 170   2001

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  • Extended Distributed Model for Analysis of Non-Ideal Concentration Operation Reviewed

    K. Araki*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   171 - 172   2001

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  • THE GENERATION AND ANNIHILATION OF DEFECT-INDUCED BY MINORITY CARRIER INJECTION IN CZ-GROWN Si SOLAR CELLS Reviewed

    T. K. Vu 博士1*, Yoshio Ohshita, A. Khan*, K. Araki*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   199 - 200   2001

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  • Strategies for Improving Radiation Tolerance of Si Space Solar Cells Reviewed

    A. Khan*, Masafumi Yamaguchi,Yoshio Ohshita, N. Dharmarasu*, K. Araki*, T. K. Vu 博士1*, T. Abe Shin-Etsu Handotai Co.*, H. Itoh Japan Atomic Energy Research Institute*, T. Ohshima Japan Atomic Energy Research Institute*, M. Imaizumi 1999博士修了・National Space Development Agency of Japan*

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   301 - 302   2001

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  • Effects of Electrons and Ions Used in Electron-Beam-Excited Plasma-Assisted CVD on Nanocrystalline Silicon Film Properties Reviewed

    H. Motegi 修士2*, Yoshio Ohshita, K. Yamaguchi*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   443 - 444   2001

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  • Optical Properties of Carbon-Based Superlattice Structures for Solar Cell Applications Reviewed

    Nobuaki Kojima, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   463 - 464   2001

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  • Analysis for Superior Radiation-Resistance of InP-Based Solar Cells Reviewed

    Masafumi Yamaguchi, A. Khan*, N. Dharmarasu*

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   575 - 576   2001

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  • Phosphorous Ion Implantation in C60 for the Photovoltaic Applications Reviewed

    K. L. Narayanan*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conf   593 - 594   2001

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  • OXIDATION PROCESS EFFECTS ON LIFETIME DEGRADATION Reviewed

    T. K. Vu*,Yoshio Ohshita, K. Araki*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   637 - 638   2001

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  • X50 Concentration Silicon Cell by a Single Photolithography Process Reviewed

    K. Araki*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   643 - 644   2001

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  • Investigation of Carrier Removal Effect in 10 MeV Proton and 1 MeV Electron Irradiated InGaP Space Solar Cells Reviewed

    A. Khan*, Masafumi Yamaguchi, N. Dharmarasu*, J. C. Bourgoin Universite Pierre et Marie*, T. Takamoto 1998博士修了・Japan Energy Corporation*, H. Itoh Japan Atomic Energy Research Institute*, T. Ohshima Japan Atomic Energy Research Institute*, M. Imaizumi 1999博士修了・National Space Development Agency of Japan*

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   679 - 680   2001

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  • Conversion Efficiency Estimate of Thin Film Polycrystalline Silicon Solar Cells Reviewed

    H. Fukushima Toyota Central R&D Labs.*, T. Ito Toyota Central R&D Labs.*, K. Yamaguchi*, Yoshio Ohshita, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   431 - 432   2001

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  • Sunshine Environment and Spectrum Analysis for Concentrator PV Systems in Japan Reviewed

    K. Araki*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   755 - 756   2001

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  • Low Energy Proton Induced Defects in n+/p InGaP Solar Cell Structure Reviewed

    N. Dharmarasu*, A. Khan*, Masafumi Yamaguchi, T. Takamoto 1998博士修了・Japan Energy Corporation*, T. Ohshima Japan Atomic Energy Research Institute*, H. Itoh Japan Atomic Energy Research Institute*, M. Imaizumi 1999博士修了・National Space Development Agency of Japan*

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   683 - 684   2001

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  • Multi-junction Solar Cells: Present and Future Reviewed

    Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   291 - 294   2001

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  • Comparison of Flight and Ground Test Degradation Behavior of Space Solar Cells on Highly Irradiated ETS-VI Reviewed

    M. Imaizumi 1999博士修了・National Space Development Agency of Japan*, S. Matsuda National Space Development Agency of Japan*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conf   299 - 300   2001

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  • Metastability Effects in InGaP Solar Cells Reviewed

    G. -C. Sun Universite Pierre et Marie Curie*, J. C. Bourgoin Universite Pierre et Marie Curie*, N. de Angelis Universite Pierre et Marie Curie*, Masafumi Yamaguchi, A. Khan*, T. Takamoto 1998博士修了・Japan Energy Corporation*, O. Gilard Centre National d'Etudes Spatia*

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   579 - 580   2001

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  • Spectrum Fill Factor for High Efficiency PV Modules Reviewed

    K. Araki*, Masafumi Yamaguchi

    Tech. Digest 12th Int. Photovoltaic Science and Engineering Conference   753 - 754   2001

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  • Effect of hydrogen on the growth of nanocrystalline silicon films by electron-beam excited plasma chemical vapor deposition Reviewed

    M. Imaizumi NASDA.H11博士修了*, K. Yamaguchi 愛知製鋼*, K. Okitsu 元PD研究員*, Masafumi Yamaguchi, 原 民夫, T, Ito 豊田中央研究所*, I. Konomi 豊田中央研究所*, Kim M. Jones NREL*

    Journal of Applied Physics   88 ( 11 )   6848 - 6855   2000.12

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  • 低コストプロセスにより製作した集光用Si太陽電池 Reviewed

    荒木建次 大同特殊鋼*, Masafumi Yamaguchi

    電気製鋼   71 ( 4 )   303 - 309   2000.10

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  • Growth Rate and Crystallinity of Nanocrystalline Silikon Film Grown by Electron Beam Exited Plasma Chemical Vapor Deposition Reviewed

    T. Ito 豊田中央研究所*, M. Imaizumi NASDA.H11博士修了*, K. Yamaguchi 愛知製鋼*, K. Okitsu 元PD研究員*, I. Konomi 豊田中央研究所*, Masafumi Yamaguchi, 原 民夫, M. Ban 川崎重工*

    Japanese Journal of Applied Physics.Part 1   39 ( 10 )   6035 - 6036   2000.10

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  • Influence of the dopant species on radiation-induced defects in Si single crystals Reviewed

    Aurangzeb Khan*, Masafumi Yamaguchi, Minoru Kaneiwa Sharp Corporation*, Tatsue Soga Sharp Corporation*, Takao Abe Shin-Etsu Handotai Co., Ltd*, Osamu Annzawa National Space Development Agency of Japan*, Sumio Matsuda National Space Development Agency of Japan*

    Journal of Applied Physics   87 ( 12 )   8389 - 8392   2000.6

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  • Recombination centers in electron irradiated GaInP Reviewed

    A. Khan 研究補助者*, Masafumi Yamaguchi, T. Takamoto ジャパンエナジー*, N. de Anglisauel P.&M. Curie大学*, J. C. Bourgoin P.&M. Curie大学*

    Journal of Crystal Growth   210 ( 1-3 )   264 - 267   2000.3

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  • Analysis of photovoltaic properties of C60?Si heterojunction solar cells Reviewed

    Nobuaki Kojima, Masafumi Yamaguchi, N. Ishikawa H10修士修了*

    Japanese Journal of Applied Physics.Part 1   39 ( 3A )   1176 - 1179   2000.3

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  • Post Annealing Studies of C60 Ion Implanted Thin Films Reviewed

    N. Dharmarasu*, K. L. Narayanan*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi

    MRS 2000 Fall Meeting   2000

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  • Low Energy Ion Implantation and High Energy Heavy Ion Irradiation in C60 Thin Films Reviewed

    K. L. Narayanan*, Masafumi Yamaguchi, Nobuaki Kojima, D. K. Avasthi NSC,New Delhi, INDIA*, D. Kanjilal NSC, New Delhi, INDIA*

    European Materials Research Society 2000 Spring Meeting   2000

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  • Ion Implantation Induced Enhancement in Conductivity of C60 Films Reviewed

    K. L. Narayanan*, Nobuaki Kojima, Masafumi Yamaguchi

    International Symposium on Nanonetwork Materials 2001   2000

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  • Fullerenes for Solar Cell Applications Reviewed

    Masafumi Yamaguchi

    The 4th Taiwan-Japan Cooperative Meeting of Fullerene Science and Technology   2000

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  • RADIATION-RESISTANT InGaP/GaAs TANDEM SOLAR CELLS Reviewed

    Masafumi Yamaguchi

    The 4th International Workshop on Radiation Effects on Semiconductor Devices for Space Application, Tsukuba, Japan(2000.10)   2000

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  • Radiation hard InGaP for high efficiency multi-junction solar cells Reviewed

    Aurangzeb Khan*, Masafumi Yamaguchi, Jacques C. Bourgoin Universite Pierre et Marie Curie*, Tatsuya Takamoto Japan Energy Corporation. H10博士修了*

    27th International Symposium on Compound semiconductors   2000

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  • Impact of boron, gallium and oxygen on defects productions rates in silicon Reviewed

    Aurangzeb Khan*, Nethaji Dharmarasu*, Masafumi Yamaguchi, Kenji Araki 大同特殊鋼*, Tuong K. Vu 修士2*

    MRS2000 fall meeting   2000

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  • Present Status and Future Prospects of Photovoltaic Power Generation Technologies and Applications Reviewed

    Masafumi Yamaguchi

    2000年永續能源-太陽能學會20週年紀念會曁學術研討會   5 ( 1 )   69 - 91   2000

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  • Influence of Hydrogen, Boron, and Ion Energy on the Structure of Microcrystalline Slicon in Plasam-Assisted Chemical Vapor Deposition Reviewed

    Yoshio Ohshita, K. Okitsu*, M. Imaizumi*, K. Yamaguchi*, Masafumi Yamaguchi, T. Hara*, T. Ito Toyota Central R&D Labs*, H. Fukushima Toyota Central R&D Labs*, M. Ryoji Kawasaki Heavy Industries Inc.*, S. Fujii(Kawasaki Heavy Industries Inc.)、K. Kawamura(Chubu Electric)*

    28th IEEE Photovoltaic Specialists Conference   849 - 852   2000

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  • Effect of the Eletric Potential on Electron Beam Excited Plasma CVD Reviewed

    K. Okitsu*, Yoshio Ohshita, M. Imaizumi*, K. Yamaguchi*, Masafumi Yamaguchi, T. Ito Toyota Central R&D Labs*, H. Fukushima Toyota Central R&D Labs*, M. Ryoji Kawasaki Heavy Industries Inc.*, S. Fujii Kawasaki Heavy Industries Inc.*, K. Kawamura Chubu Electric Power Co.*

    16th European Photovoltaic Solar Enegy Conference   1   907 - 910   2000

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  • Analysis of Boron-Ion-Implanted p-C60/n-Si Heterojunction Solar Cells Reviewed

    K. L. Narayanan*, Nobuaki Kojima, Masafumi Yamaguchi, N. Dharmarasu*, T. Sakai H12修士修了*, oetzberger 元PD研究員*, A. Khan*

    Proc.16th European Photovoltaic Solar Energy Conference   1   146 - 149   2000

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  • Radical Beam Doping in C60 Films for Solar Cell Application Reviewed

    Nobuaki Kojima, Masafumi Yamaguchi

    Proc.16th European Photovoltaic Solar Energy Conference   1   203 - 205   2000

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  • Approach to The Carbon-Based Superlattice Structure Solar Cell Reviewed

    Nobuaki Kojima, O. Goetzberger 元PD研究員*,Yoshio Ohshita, Masafumi Yamaguchi

    Proc.28th IEEE Photovoltaic Specialists Conference   873 - 875   2000

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  • The Effects of Boron and Phosphorous Ion Implantation in C60 Thin Films Reviewed

    T. Sakai H12修士修了*, N. Dharmarasu*, O. Goetzberger 元PD研究員*, Nobuaki Kojima,Yoshio Ohshita, Masafumi Yamaguchi

    Proc.28th IEEE Photovoltaic Specialists Conference   948 - 950   2000

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  • Evolution of Defect Complexes in Si Single Crystals with Heavy Fluence 10 MeV Proton Irradiation Reviewed

    A. Khan*, Masafumi Yamaguchi, T. Aburaya*, S. Matsuda*

    Journal of Applied Physics   87   2162 - 2168   2000

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  • High-energy electron irradiation effects on C60 films Reviewed

    A. Khan*, Nobuaki Kojima, Masafumi Yamaguchi, K. L. Narayanan*, O. Goetzberger*

    Journal of Applied Physics   87 ( 9 )   4620 - 4622   2000

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  • Comparison of the effects of electron and proton irradiation on type converted silicon space solar cells upon annealing Reviewed

    Aurangzeb Khan*, Masafumi Yamaguchi, Takashi Aburaya*, Sumio Matsuda.*

    Semiconductor science and technology   15   403 - 407   2000

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  • 太陽電池用新素材の研究開発(招待論文) Reviewed

    Masafumi Yamaguchi, Nobuaki Kojima

    機械の研究   52 ( 5 )   547 - 554   2000

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  • 次世代太陽電池開発におけるシリコン太陽電池の位置づけと技術課題 Reviewed

    Masafumi Yamaguchi

    表面科学   21 ( 5 )   248 - 255   2000

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  • Recombination center in C60/p-Si heterojunction and solar cells Reviewed

    Aurangzeb Khan*, Masafumi Yamaguchi, Nobuaki Kojima

    Solid-State Electronics   44   1471 - 1475   2000

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  • Room temperature minority carrier injection-enhanced recovery of the radiation-induced defects in p-InGaP and solar cells Reviewed

    Aurangzeb Khan*, Masafumi Yamaguchi, Jacques C. Bourgoin Universite Pierre et Marie Curie*, N. de Angelis Universite Pierre et Marie Curie*, Tatsuya Takamoto Japan Energy Corporation. H10博士修了*

    Applied Physics Letters   76   2559   2000

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  • Ion Implantation Effects in C60 Films Reviewed

    K. L. Narayanan*, N. Dharmarasu*, Nobuaki Kojima, T. Sakai H12修士修了*, Masafumi Yamaguchi

    The 3rd Korea-Japan Joint Seminar on Photovoltaics   165 - 169   2000

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  • Aluminium Enhanced Crystal Growth of Thin Film Polysilicon on Low Temperature Corning 1737 Glass using EBEP-CVD Reviewed

    M. Boreland*, K. Yamaguchi 愛知製鋼*, Yoshio Ohshita, Masafumi Yamaguchi

    The 3rd Korea-Japan Joint Seminar on Photovoltaics   259 - 266   2000

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  • One Step Aluminium Induced Crystal Growth of nc-Si Thin Films Using Electron Beam Excited Plasma Chemical Vapour Deposition Reviewed

    M. Boreland*, K. Yamaguchi 愛知製鋼*, K. Okitsu 元PD研究員*, M. Imaizumi NASDA.H11博士修了*, Masafumi Yamaguchi

    16th European Photovoltaic Solar Energy Conference   1   409 - 412   2000

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  • Migration of the Aluminium Enhanced crystal growth process from quartz to glass using EBEP-CVD Reviewed

    M. Boreland*, K. Yamaguchi 愛知製鋼*,Yoshio Ohshita, Masafumi Yamaguchi

    28th IEEE Photovoltaic Specialists Conference   272 - 275   2000

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  • Minority-Carrier Injection Induced Degradation in Cz-Grown Si Solar Cells Reviewed

    T. K. Vu 修士2*, Yoshio Ohshita, A. Khan*, K. Araki 大同特殊鋼*, Masafumi Yamaguchi

    The 3rd Korea-Japan Joint Seminar on Photovoltaics   133 - 137   2000

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  • Approaches for Improving Radiation-Tolerance of InGaP/GaAs Tandem Solar Cells Reviewed

    Masafumi Yamaguchi, T. Takamoto ジャパンエナジー.H10博士修了*, A. Khan*, E. Ikeda ジャパンエナジー*, T. Agui ジャパンエナジー*, H. Kurita ジャパンエナジー*

    16th European Photovoltaic Solar Energy Conference   1   959 - 962   2000

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  • Role of Gallium on Defects Production in Irradiated Si Space Solar Cells Reviewed

    A. Khan*, Masafumi Yamaguchi, K. Araki 大同特殊鋼*, T. K. Vu 修士2*, M. Kaneiwa シャープ*, T. Saga シャープ*, T. Abe 信越半導体*, H. Misawa*, K. Kajiwara*, O. Anzawa(NASDA)、S. Matsuda(NASDA)*

    16th European Photovoltaic Solar Energy Conference   1   1003 - 1006   2000

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  • Parameter Analysis on Concentrator Cells under Non-Uniform Illumination Reviewed

    K. Araki 大同特殊鋼*, Masafumi Yamaguchi

    16th European Photovoltaic Solar Energy Conference   1   1015 - 1018   2000

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  • Energy Flow Examination on PV Generator System Using Cold Mirror Reviewed

    K. Araki 大同特殊鋼*, Masafumi Yamaguchi, H. Izumi IDEX*, T. Yamamoto 大同特殊鋼*, M. Hiramatsu 大同メタル工業*, M. Tsutsui 大同メタル工業*

    16th European Photovoltaic Solar Energy Conference   3   2348 - 2351   2000

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  • Design Consideration on Resistance Balance, BSF and AR for Concentrator Si Cells Reviewed

    K. Araki 大同特殊鋼*, Masafumi Yamaguchi

    16th European Photovoltaic Solar Energy Conference   2   1620 - 1623   2000

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  • AM0 Concentration Operation of III-V Compounds Solar Cells Reviewed

    K. Araki 大同特殊鋼*, Masafumi Yamaguchi, M. Imaizumi NASDA.H11博士修了*, S. Matsuda NASDAパンエナジー.H10博士修了*, T. Takamoto ジャパンエナジー. H10博士修了*, H. Kurita ジャパンエナジー*

    28th IEEE Photovoltaic Specialists Conference   968 - 971   2000

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  • GaAs-on-Si Solar Cells for Space Use Reviewed

    Masafumi Yamaguchi, Y. Ohmachi Ashikaga Institute Technology*, T. Ohara NTT Advanced Tech.Corpration*, Y. Kadota NTT Photonics Laboratories*, M. Imaizumi NASDA.H11博士修了*, S. Matsuda NASDA*

    28th IEEE Photovoltaic Specialists Conference   1021 - 1015   2000

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  • Silicon Concentrator Cells by Low Cost Process Reviewed

    Kenji Araki 大同特殊鋼*, Masafumi Yamaguchi

    28th IEEE Photovoltaic Specialists Conference   164 - 167   2000

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  • Flight Degradation Data of GaAs-on Si Solar Cells Mounted on Highly Irradiated ETS-VI Reviewed

    Mitsuru Imaizumi NASDA.H11博士修了*, Sumio Matsuda NASDA*, Masafumi Yamaguchi, Takahiko Ohara NTT Advanced Technology*

    28th IEEE Photovoltaic Specialists Conference   1075 - 1078   2000

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  • Minority Carrier Injection-Enhanced Recovery of Radiation-Induced Defects in p-InGaP and Solar Cells Reviewed

    Aurangzeb Khan*, Masafumi Yamaguchi, J. B. Bourgoin Universite Pierre et Marie Curie*, N. de Angelis Universite Pierre et Marie Curie*, Tatsuya Takamoto Japan Energy Corporation.H10博士修了*

    28th IEEE Photovoltaic Specialists Conference   1106 - 1109   2000

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  • Physics and Technologies of Super-High-Efficiency InGaP/GaAs Tandem Solar Cells Reviewed

    Masafumi Yamaguchi

    The 3rd Korea-Japan Joint Seminar on Photovoltaics   57 - 64   2000

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  • DOPANTS EFFECTS ON RADIATION-INDUCED DEFECTS IN SILICON SOLAR CELL Reviewed

    Nethaji Dharmarasu*, Aurangzeb Khan*, Masafumi Yamaguchi, Tatsuo Saga Sharp Corporation*, Takao Abe Shin-Etsu Handotai Co. Ltd*, Mitsuru Imaizumi NASDA.H11博士修了*, Sumio Matsuda NASDA*

    The 3rd Korea-Japan Joint Seminar on Photovoltaics   145 - 151   2000

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  • Solar cell degradation by electron irradiation-Comparison between Si, GaAs and GaInP cells Reviewed

    N. de Anglis P.&M. Curie大学*, J. C. Bourgoin P.&M. Curie大学*, T. Takamoto ジャパンエナジー*, A. Khan 研究補助者*, Masafumi Yamaguchi

    8th International Conference on Defects-Recognition,Imaging and Physics in Semiconductors   1999

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  • Structural Changes in C60 Thin Films Induced by Ion Implantation of Arsenic and Boron Reviewed

    K. L. Narayanan*, Nobuaki Kojima, T. Sakai*, N. Dharmarasu*, Masafumi Yamaguchi

    1999

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  • Boron ion implantation induced amorphization and formation of p-type conductivity in C60 thin films Reviewed

    K. L Narayanan 元PD研究員*, Nobuaki Kojima, N. Dharmarasu*, T. Sakai*, Masafumi Yamaguchi

    Materials Research Society 1999 Fall Meeting,U5.31   1999

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  • Deposition and annealing studies of diamond-like carbon grown by molecular beam deposition Reviewed

    O. Goetzberger PD研究員*, Nobuaki Kojima, A. Khan 研究補助者*, Masafumi Yamaguchi

    Materials Research Society 1999 Fall Meeting,U7.3   1999

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  • Recombination centers in electron irradiated GaInP Reviewed

    A. Khan 研究補助者*, Masafumi Yamaguchi, T. Takamoto ジャパンエナジー*, N. de Anglisauel P.&M. Curie大学*, J. C. Bourgoin P.&M. Curie大学*

    8th International Conference on Defects-Recognition,Imaging and Physics in Semiconductors   ( 111 )   1999

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  • Analysis of the role of deep levels in anomalous degradation of Si space solar cells Reviewed

    A. Khan 研究補助者*, Masafumi Yamaguchi, S. J. Taylor 元PD研究員*

    16th Space Photovoltaic Research and Technology Conference   14   1999

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  • Properties of GaAs/InGaAs quantum well solar cells under low concentrator operation Reviewed

    M. -J. Yang 元PD研究員*, Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   60   19 - 26   1999

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  • Boron ion-implanted C60 heterojunction photovoltaic devices Reviewed

    K. L. Narayanan PD研究員*, Masafumi Yamaguchi

    Applied Physics Letters   75 ( 14 )   2106 - 2107   1999

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  • High efficiency and high concentration in photovoltaics Reviewed

    Masafumi Yamaguchi, A. Luque Madrid工科大学*

    IEEE Transactions on Electron Devices   46 ( 10 )   2139 - 2144   1999

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  • A detailed model to improve the radiation-resistance of Si space solar cells Reviewed

    Masafumi Yamaguchi, A. Khan 研究補助者*, S. J. Taylor 元PD研究員*, M. Imaizumi D3*, T. Hisamatsu NASDA*, S. Matsuda NASDA*

    IEEE Transactions on Electron Devices   46 ( 10 )   2133 - 2138   1999

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  • Radiation resistance of high-efficiency InGaP/GaAs tandem solar cells Reviewed

    T. Takamoto D3*, Masafumi Yamaguchi, S. J. Taylor 元PD研究員*, M. -J. Yang 元PD研究員*, E. Ikeda ジャパンエナジー*, H. Kurita ジャパンエナジー*

    Solar Energy Materials and Solar Cells   58   265 - 276   1999

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  • Arsenic ion implantation induced structural effects in C60 films Reviewed

    K. L. Narayanan 元PD研究員*, Nobuaki Kojima, K. Yamaguchi 受託研究員*, N. Ishikawa H10修士修了*, Masafumi Yamaguchi

    Journal of Materials Science   34   5227 - 5231   1999

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  • Effects of annealing on type converted Si and space cells irradiated with heavy fluence 1 MeV electrons Reviewed

    A. Khan 研究補助者*, Masafumi Yamaguchi, S. J. Taylor 元PD研究員*, T. Hisamatsu NASDA*, S. Matsuda NASDA*

    Japanese Journal of Applied Physics.Part 1   38 ( 5A )   2679 - 2685   1999

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  • Deep level analysis of radiation-induced defects in Si crystals and solar cells Reviewed

    Masafumi Yamaguchi, A. Khan 研究補助者*, S. J. Taylor 元PD研究員*, K. Ando 鳥取大学*, T. Yamaguchi 鳥取大学*, S. Matsuda NASDA*, T. Aburaya NASDA*

    Journal of Applied Physics   86 ( 1 )   217 - 223   1999

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  • Recent space photovoltaic research and development in Japan Reviewed

    Masafumi Yamaguchi, S. Matsuda NASDA*

    16th Space Photovoltaic Research and Technology Conference   34   1999

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  • Nitrogen doping effects in C60 films by RF plasma source Reviewed

    Nobuaki Kojima, Masafumi Yamaguchi

    1999 ECS Joint International Conference   1493   1999

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  • Present and future prospects of super high-efficiency tandem solar cells Reviewed

    Masafumi Yamaguchi

    11th International Photovoltaic Science and Engineering Conference   37 - 40   1999

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  • Analysis of energy valance of electricity and heat generated by TPV generators Reviewed

    T. Amano 研究生*, Masafumi Yamaguchi

    11th International Photovoltaic Science and Engineering Conference   141 - 142   1999

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  • Characteristics of GaAs based concentrator cells Reviewed

    K. Araki 受託研究員*, Masafumi Yamaguchi, T. Takamoto ジャパンエナジー*, E. Ikeda ジャパンエナジー*, T. Agui ジャパンエナジー*, H. Kurita ジャパンエナジー*, K. Takahashi 日立電線*, T. Unno 日立電線*

    11th International Photovoltaic Science and Engineering Conference   145 - 146   1999

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  • Comparison of the evolution of the complex defects in type-converted Si space solar cells irradiated with heavy fluence of 1 MeV electrons and 10 MeV protons Reviewed

    A. Khan 研究補助者*, Masafumi Yamaguchi, T. Aburaya NASDA*, S. Mastsua NASDA*

    11th International Photovoltaic Science and Engineering Conference   167 - 168   1999

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  • Deposition and characterization of amorphous carbon by molecular beam deposition (MBD) Reviewed

    O. Goetzberger PD研究員*, Nobuaki Kojima, A. Khan 研究補助者*, Masafumi Yamaguchi, K. Araki 受託研究員*

    Tech.Digest 11th International Photovoltaic Science and Engineering Conference   301 - 302   1999

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  • Infrared and Raman spectroscopy analysis of silicon-hydrogen bonds in nano-crystalline silicon prepared by electron beam excited plasma chemical vapor deposition Reviewed

    K. Yamaguchi 受託研究員*, M. Imaizumi D3*, T. Ito 元受託研究員*, K. Okitsu*, Masafumi Yamaguchi, T. Hara*, M. Ban 川崎重工*, M. Tokai 同*

    11th International Photovoltaic Science and Engineering Conference   303 - 304   1999

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  • Boron ion implantation effects in C60 films for homo-junction solar cells. Reviewed

    K. L. Narayanan 元PD研究員*, A. Khan 研究補助者*, O. Goetzberger PD研究員*, Nobuaki Kojima, Masafumi Yamaguchi

    Tech.Digest 11th International Photovoltaic Science and Engineering Conference   641 - 642   1999

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  • Reduction of plasma-induced damage by electron beam excited plasma CVD Reviewed

    K. Okitsu*, M. Imaizumi 元博士学生*, K. Yamaguchi 受託研究員*, A. Khan 研究補助者*, Masafumi Yamaguchi, M. Ban 川崎重工*, M. Takai 川崎重工*, K. Kawamura 中部電力*

    11th International Photovoltaic Science and Engineering Conference   649 - 650   1999

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  • Deep level transient spectroscopy of C60/p-Si heterojunction solar cell interface states Reviewed

    A. Khan 研究補助者*, Masafumi Yamaguchi, Nobuaki Kojima

    Tech.Digest 11th International Photovoltaic Science and Engineering Conference   701 - 702   1999

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  • Thin film Si solar cells fabricated by electron beam excited plasma CVD Reviewed

    T. Ito 元受託研究員*, H. Azuma 豊田中研*, K. Yamaguchi 受託研究員*, M. Imaizumi 元博士学生*, H. Fukushima 豊田中研*, Masafumi Yamaguchi, T. Hara. M. Ban 川崎重工*, M. Takai 川崎重工*

    11th International Photovoltaic Science and Engineering Conference   769 - 770   1999

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  • Enhancement of growth rate of microcrystalline silicon thin films by hydrogen introductions into electron beam excited plasma CVD Reviewed

    M. Imaizumi 元博士学生*, T. Ito 元受託研究員*, K. Yamaguchi 受託研究員*, K. Okitsu*, Masafumi Yamaguchi, T. Hara*, M. Al-Jassim NREL*, M. Ban 川崎重工*, K. Kawamura 中部電力*

    11th International Photovoltaic Science and Engineering Conference   773 - 774   1999

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  • A Si concentrator cell by single photolithography process Reviewed

    K. Araki 受託研究員*, Masafumi Yamaguchi

    11th International Photovoltaic Science and Engineering Conference   915 - 916   1999

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  • Approaches for high efficiency C60 solar cells -boron ion implantation induced photovoltaic effects Reviewed

    K. L. Narayanan 元PD研究員*, Masafumi Yamaguchi

    1999 ECS Joint International Conference   1482   1999

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  • Arsenic ion implantation induced texture modification in C60 thin films Reviewed

    K. L. Narayanan*, Masafumi Yamaguchi

    Materials Research Society 1999 Fall Meeting,L3.8,Boston,11.29-12.3   1999

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  • Mechanism on Radiation Degradation of Si Space Solar Cells Reviewed

    Masafumi Yamaguchi, Mitsuru. Imaizumi D3*, Sumio Matsuda NASDA*

    Proc.3rd International Workshop on Radiation Effects of Semiconductor Devices for Space Application   1998

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  • Physics and Technologies of Super High-Efficiency Tandem Solar Cells Reviewed

    Masafumi Yamaguchi

    International Conference on Physics at the tarn of the 21st century,and Technology CISST'98   1998

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  • Hydrogen Content in Microcrystalline Silicon Films Formed by Electron Beam Excited Plasma CVD Reviewed

    T. Ito 受託研究員*, K. Okitsu*, M. Imaizumi 博士3年*, I. Konomi 豊田中央研究所*, K. Yamaguchi 受託研究員*, Masafumi Yamaguchi, T. Hara*, M. Ban 川崎重工業*, K. Kawamura 中部電力*

    Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion   774 - 776   1998

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  • 26.9% Efficient and Radiation Resistant InGaP/GaAs Tandem Solar Cells Reviewed

    Tatsuya Takamoto D3*, Masafumi Yamaguchi, Aurangzeb Khan 研究補助者*, Eiji Ikeda ジャパンエナジー*, Hiroshi Kurita 同*

    The 25th International Symposium on Compound Semiconductors   LNWeP - 5   1998

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  • Microcrystalline Silicon Growth by Electron Beam Excited Plasma CVD Reviewed

    Okitsu*, M. Imaizumi 博士3*, Ito 受託研究員*, K. Yamaguchi 同*, Masafumi Yamaguchi, T. Hara*, M. Ban 川崎重工業*, M. Tokai 同*

    The 2nd Korea-Japan Joint Seminar on Photovoltaics   177 - 181   1998

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  • Growth of Microcrystalline Silicon Film by Electron Beam Excited Plasma CVD without Hydrogen Dilution Reviewed

    M. Imaizumi 博士3*, T. Ito 受託研究員*, K. Okitsu*, K. Yamaguchi 受託研究員*, Masafumi Yamaguchi, T. Hara*, M. Ban 川崎重工業*, M. Tokai 同*

    Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion Vienna   1758 - 1761   1998

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  • PRESENT AND FUTURE OF SUPER HIGH-EFFICIENCY TANDEM SOLAR CELLS Reviewed

    Masafumi Yamaguchi

    The 2nd Korea-Japan Joint Seminar on Photovoltaics   27 - 34   1998

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  • Growth of microcrystalline silicon film by electron beam excited plasma chemical vaper deposition without hydrogen dilution Reviewed

    Mitsuru Imaizumi 博士3*, Kazuhiko Okitsu PD研究員*, Masafumi Yamaguchi, 原 民夫, Tadashi Ito 豊田中央研究所*, Ichiro Konomi 同*, Masahito Ban 川崎重工業*, Masakuni Tokai 同*, Kazuhiko Kawamura 中部電力*

    Journal of Vacuum Science and Technology A   16 ( 5 )   3134 - 3137   1998

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  • Investigation of High-Efficiency InGaP/GaAs Tandem Solar Cells under Concentration Operation Reviewed

    Ming-Ju YANG 元PD研究員*, Tatsuya TAKAMOTO D3*, Eiji IKEDA ジャパンエナジー*, Hiroshi KURITA 同*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 2   37 ( 7B )   L836 - L838   1998

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  • Anclysis of Heteroepitaxial AlGaAs/Si Tandem Solar cells for Concentrator Applications Reviewed

    Ming-Ju YANG 元PD研究員*, Jia-Lin Yang 雲南工大)(同*, Masafumi Yamaguchi

    Japanese Journal of Applied Physics.Part 2   37 ( 7B )   L849 - L851   1998

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  • Analysis of impurity diffusion from tunnel diodes and optimization for operation in tandem cells Reviewed

    Nobuaki Kojima, M. Okamoto 防衛庁*, S. J. Taylor*, M-J. Yang*, T. Takamoto 博士2*, Masafumi Yamaguchi, K. Takahashi 日立電線*, T. Unno 同*

    Solar Energy Materials and Solar Cells   50 ( 1-4 )   237 - 242   1998

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  • Mechanism of Zn and Si diffusion froma highly doped tunnel junction for InGaP/GaAs tandem solar cells Reviewed

    Tatsuya Takamoto D3*, Masafumi Yamaguchi, Eiji Ikeda ジャパンエナジー*, Takaaki Agui 同*, Hiroshi Kurita 同*, M. AI-Jassim NREL*

    Journal of Applied Physics   85 ( 3 )   1481 - 1486   1998

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  • Mechanism for the anomalous degradation of Si solar cells induced by high-energy proton irradiation Reviewed

    M. Imaizumi 博士2*, Masafumi Yamaguchi, S. J. Taylor*, S. Matsuda NASDA*, O. Kawasaki 同*, T. Hisamatsu 同*

    Solar Energy Materials and Solar Cells   50 ( 1-4 )   339 - 344   1998

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  • Characteristics of Alpha-Radiation-Induced Deep Level Defects in p-type InP Grown by Metal Organic Chemical Vapor Deposition Reviewed

    Aurangzeb KHAN 研究補助者*, Mohd Zafar IQBAL Quaid-i-Azam大学*, Umar Saeed QURASHI 同*, Masafumi Yamaguchi, Nasim ZAFAR Quaid-i-Azam大学*, Armin DADGAR ベルリン工科大学*, D. BIMBERG 同*

    Japanese Journal of Applied Physics.Part 1   37 ( 8 )   4595 - 4602   1998

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  • Comparison of the effects of electron and proton irradiation on n+-p-p+ silicon diodes Reviewed

    S. J. Taylor 元 PD研究員*, Masafumi Yamaguchi, T. Yamaguchi 鳥取大学*, S. Watanabe 同*, K. Ando 同*, S. Matsuda NASDA*, T. Hisamatsu 同*, S. I. Kim KAIST*

    Journal of Applied Physics   83 ( 9 )   4620 - 4627   1998

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  • Analysis of structure change of Si solar cells irradiated with high fluence electrons Reviewed

    Mitsuru Imaizumi D3*, Stephen J. Taylor PD研究員*, Masafumi Yamaguchi, Tadashi Ito 豊田中研*, Tadashi Hisamatsu NASDA*, Sumio Matsuda 同*

    Journal of Applied Physics   85 ( 3 )   1916 - 1920   1998

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  • Photovoltaic Effects of C60 in C60-Si Heterojunction Cell Reviewed

    Nobuaki Kojima, N. Ishikawa 修士2*, M-J. Yang 元PD研究員*, Masafumi Yamaguchi

    Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion   246 - 248   1998

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  • Photovoltaic Effects and Photoconduction of C60 in C60-Si Heterojunction Cell Reviewed

    Nobuaki Kojima, Naomi Ishikawa M2*, Ming-Ju Yang 元PD研究員*, Aurangzeb Khan 研究補助者*, Masafumi Yamaguchi

    The 2nd Korea-Japan Joint Seminar on Photovoltaics   265 - 268   1998

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  • DEGRADATION ANALYSIS OF SILICON SOLER CELLS IRRADIATED WITH HIGH FLUENCE ELECTRONS/PROTONS Reviewed

    Mitsuru Imaizumi D3*, Stephen J. Taylor PD研究員*, Masafumi Yamaguchi, Tadashi Hisamatsu NASDA*, Sumio Matsuda 同*, Osamu Kawasaki 同*

    The 2nd Korea-Japan Joint Seminar on Photovoltaics   275 - 280   1998

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  • Temperature Dependence of Irradiation Induced Degradation of Si, GaAs and GaInP Solar Cells Reviewed

    J. C. Bourgoin Pierre大学*, N. DE Angelis 同*, M. Zazoui Hassan II大学*, Masafumi Yamaguchi, T. Takamoto D3*

    Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion   3667 - 3670   1998

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  • Optimization of Radiation-Resistant Si Space Solar Cells Reviewed

    A-Khan 研究補助者*, Masafumi Yamaguchi, S. J. Taylor 元PD研究員*, T. Hisamatsu NASDA*, S. Matsuda NASDA*

    Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion   3638 - 3641   1998

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  • Toward 40% Super High-Efficiency Multi-Junction Solar Cells Reviewed

    Masafumi Yamaguchi, T. Takamot D3*, S. Wakamatsu PVTEC*

    Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion   3524 - 3529   1998

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  • Explanation for Carrier Removal and Type Conversion in Irradiated Silicon Solar Cells Reviewed

    S. J. Taylor 元PD研究員*, Masafumi Yamaguchi, M. Imaizumi D3*, M-J. Yang 元PD研究員*, 伊東田 恵, K. Ando 鳥取大学*, T. Yamaguchi 同*, S. Watanabe 同*, T. Hisamatsu NASDA*

    Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion   3546 - 3549   1998

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  • Investigation of Transferring High Efficiency InGaP/GaAs Tandem Solar Cells to Concentrator Applications Reviewed

    M-J. Yang 元PD研究員*, T. Takamoto D3*, E. Ikeda ジャパンエナジー*, H. Kurita 同*, Masafumi Yamaguchi

    Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion   3590 - 3593   1998

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  • Thermophotovoltaic Potential Applications for Civilian and Industrial Use in Japan Reviewed

    H. Yamaguchi IHI*, Masafumi Yamaguchi

    Proc.4th NREL Conference of Thermophotovoltaic Generation of Electricity   17 - 29   1998

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  • Effect of grain size and dislocation density on the performance of thin polycrystalline silicon solar cells Reviewed

    M. Imaizumi 博士2*, T. Ito 受託研究員*, Masafumi Yamaguchi, K. Kaneko 住友シチックス*

    Journal of Applied Physics   81 ( 11 )   7635 - 7640   1997

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  • Investigation of carrier removal in electron irrad-iated silicon diodes Reviewed

    S. J. Taylor*, Masafumi Yamaguchi, S. Matsuda NASDA*, T. Hisamatsu 同*, O. Kawasaki 同*

    Journal of Applied Physics   82 ( 7 )   3239 - 3249   1997

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  • Correlations for damage in diffused-junction InP solar cells induced by electron and proton irradiation Reviewed

    Masafumi Yamaguchi, T. Takamoto 博2*, S. J. Taylor*, R. J. Walters Naval Research Lab*, G. P. Summers 同*, D. J. Flood NASA Lewis Research Center*, M. Ohmori ジャパンエナジー*

    Journal of Applied Physics   81 ( 9 )   6013 - 018   1997

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  • Two-terminal Monolithic In0.5Ga0.5P/GaAs Tandem Solar Cells with a High Conversion Efficiency of Over 30% Reviewed

    T. Takamoto 博士2*, E. Ikeda ジャパンエナジー*, H. Kurita 同*, M. Ohmori 同*, Masafumi Yamaguchi, M-J. Yang*

    Japanese Journal of Applied Physics.Part 1   36 ( 10 )   6215 - 6220   1997

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  • Minority-carrier injection-enhanced annealing of radiation damage to InGaP solar cells Reviewed

    Masafumi Yamaguchi, T. Okuda 愛知製鋼*, S. J. Taylor*

    Applied Physics Letters   70 ( 16 )   2180 - 2182   1997

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  • Improved model of radiation damage to silicon solar cells Reviewed

    S. J. Taylor*, Masafumi Yamaguchi, M. Imaizumi 博士2*, T. Ito 受託研究員*

    Journal of Applied Physics   82 ( 7 )   3627 - 3629   1997

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  • Photoluminescence of C60 Thin Films with Different Crystallinity Grown by Molecular Beam Epitaxy Reviewed

    Nobuaki Kojima, Masami Okamoto, Masafumi Yamaguchi

    Recent Advances in the Chemistry and Physics of Fullerenes and Related Materials(Proceedings of the 192nd Meeting of the Electrochemical Society Inc. and the 48th Annual Meeting of the International Society of Electrochemistry)   5   420 - 423   1997

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  • Effect of Hydrogen Content on the Crystalline Quality of PECVD-deposited Silicon for Solar Cells Reviewed

    伊東田 恵, M. Imaizumi 博士2*, I. Konomi 豊田中研*, Masafumi Yamaguchi

    Proc. 26th IEEE Photovoltaic Specialists Conference   747 - 750   1997

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  • Type Conversion in Irradiated Silicon Solar Cells Reviewed

    S. J. Taylor*, Masafumi Yamaguchi, M-J. Yang*, M. Imaizumi 博士2*

    Proc.14th European Photovoltaic Solar Energy Conference   2454 - 2456   1997

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  • Microscopic Analysis of Carrier Removal in Heavily Irradiated Silicon Solar Cells Reviewed

    S. J. Taylor*, Masafumi Yamaguchi, M. Imaizumi 博士2*, T. Ito 受託研究員*

    Proc. 26th IEEE Photovoltaic Specialists Conference   835 - 838   1997

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  • Analysis of the Spectral Response of Silicon Solar Cells Irradiated with High Fluence Electrons/Protons Reviewed

    M. Imaizumi 博士2*, S. J. Taylor*, Masafumi Yamaguchi, T. Hisamatsu NASDA*, S. Matsuda 同*, O. Kawasaki 同*

    Proc. 26th IEEE Photovoltaic Specialists Conference   983 - 986   1997

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  • Displacement Damage Analysis of Single Crystal 50μm Thick Silicon Solar Cells Reviewed

    Masafumi Yamaguchi, S. J. Taylor*, M. Imaizumi 博士2*, M-J. Yang*, T. Ito 受託研究員*, S. Matsuda NASDA*, T. Hisamatsu 同*

    Proc. 26th IEEE Photovoltaic Specialists Conference   987 - 990   1997

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  • Thermal Recovery of Degraded Space Silicon Solar Cells due to Large Fluence Irradiation Reviewed

    T. Hisamatsu NASDA*, S. Matsuda 同*, T. Nakao エイ・イー・エス*, Y. Matsumoto 同*, S. J. Taylor*, Masafumi Yamaguchi

    Proc. 26th IEEE Photovoltaic Specialists Conference   991 - 994   1997

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  • Effect of Grain Size and Dislocation Density on Thin Film Polycrystalline Silicon Solar Cells Reviewed

    M. Imaizumi 博士2*, T. Ito 受託研究員*, Masafumi Yamaguchi, K. Kaneko 住友シチックス*

    Proc.14th European Photovoltaic Solar Energy Conference   1385 - 1388   1997

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  • Analysis of the anomalous spectral response of InP solar cells induced by high fluence proton irradiation Reviewed

    Masafumi Yamaguchi, T. Takamoto D1*, M. Ohmori ジャパンエナジー*

    Journal of Applied Physics   81 ( 3 )   1116 - 1119   1997

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  • Superior radiation-resistant properties of InGaP/GaAs tandem solar cells Reviewed

    Masafumi Yamaguchi, T. Okuda 受託研究員・愛知製鋼*, S. J. Taylor 欧州連合奨学科学技術特別研究員*, T. Takamoto D1*, E. Ikeda ジャパンエナジー*, H. Kurita ジャパンエナジー*

    Applied Physics Letters   70 ( 12 )   1566 - 1568   1997

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  • Explanation for carrier removal and type conversion in irradiated silicon solar cells Reviewed

    T. Yamaguchi 鳥取大学*, S. J. Taylor*, S. Watanabe 鳥取大学*, K. Ando 同*, Masafumi Yamaguchi, T. Hisamatsu NASDA*, S. Matsuda 同*

    Applied Physics Letters   72 ( 10 )   1226 - 1228   1997

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  • Minority-Carrier Injection-Enhanced Annealing of Radiation Damage to InGaP Solar Cells Reviewed

    Masafumi Yamaguchi, T. Okuda 愛知製鋼*, S. J. Taylor*, T. Takamoto 博士2*

    Proc.14th European Photovoltaic Solar Energy Conference   1755 - 1758   1997

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  • Type conversion in irradiated silicon diodes Reviewed

    S. J. Taylor*, Masafumi Yamaguchi, M-J. Yang*, M. Imaizumi 博士2*, S. Matsuda NASDA*, O. Kawasaki 同*, T. Hisamatsu 同*

    Applied Physics Letters   70 ( 16 )   2165 - 2167   1997

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  • Diffusion in C\Si Doped GaAs tunnel Diodes Reviewed

    S. J. Taylor*, M-J. Yang*, Nobuaki Kojima, Masafumi Yamaguchi

    Proc.14th European Photovoltaic Solar Energy Conference   1702 - 1704   1997

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  • A 3kw PV-Thermal System for Home Use Reviewed

    M-J. Yang*, H. Izumi テクノアイデクス*, M. Sato 愛知県工業技術センター*, S. Matsunaga 同*, T. Takamoto 博士2*, K. Tsuzuki 受託研究員*, T. Amano 受託研究員*, Masafumi Yamaguchi

    Proc. 26th IEEE Photovoltaic Specialists Conference   1313 - 1316   1997

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  • Properties of GaAs/InGaAs Quantum Well Solar Cells under Low Concentration Ratios Reviewed

    M-J. Yang*, Masafumi Yamaguchi

    Proc. 26th IEEE Photovoltaic Specialists Conference   915 - 918   1997

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  • A Hybrid PV-Thermal Concentrator System for Terrestrial Applications Reviewed

    M-J. Yang*, Masafumi Yamaguchi, H. Izumi テクノアイデクス*, S. Matsunaga 愛知県工業技術センター*

    Proc.14th European Photovoltaic Solar Energy Conference   329 - 331   1997

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  • Over 30% Efficient InGaP/GaAs Tandem Solar Cells with InGaP Tunnel Junction Reviewed

    T. Takamoto 博士2*, E. Ikeda ジャパンエナジー*, H. Kurita 同*, Masafumi Yamaguchi

    Proc.14th European Photovoltaic Solar Energy Conference   970 - 975   1997

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  • InGaP/GaAs and InGaAs Mechanically-Stacked Triple-junction Solar Cells Reviewed

    T. Takamoto 博士2*, E. Ikeda 同*, T. Agui 同*, H. Kurita 同*, T. Tanabe 住友電工*, S. Tanaka 同*, H. Matsubara 同*, Y. Mine 同*, Masafumi Yamaguchi

    Proc. 26th IEEE Photovoltaic Specialists Conference   1031 - 1034   1997

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  • High-efficiency Radiation-Resistant InGaP/GaAs Tandem Solar Cells Reviewed

    T. Takamoto 博士2*, Masafumi Yamaguchi, S. J. Taylor*, E. Ikeda ジャパンエナジー*, T. Agui 同*, H. Kurita 同*

    Proc. 26th IEEE Photovoltaic Specialists Conference   887 - 890   1997

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  • Study on Performance Uniformity of InGaP/GaAs Tandem Solar Cells by Using Photoluminescence and Electroluminescence Techniques Reviewed

    T. Takamoto 博士2*, E. Ikeda ジャパンエナジー*, H. Kurita 同*, Masafumi Yamaguchi

    Proc.14th European Photovoltaic Solar Energy Conference   1373 - 1376   1997

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  • Analysis of Damage to Silicon Solar Cells by High Fluence Electron Irradiation Reviewed

    Masafumi Yamaguchi, S. J. Taylor 欧州連合奨学科学技術特別研究員*, S. Matsuda 宇宙開発事業団*, O. Kawasaki 宇宙開発事業団*, K. Ando 鳥取大学*

    Proceedings of 25th IEEE Photo-voltaic Specialists Conference   167 - 170   1996

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  • Photolumnescence analysis of InGaP top cells for high-efficiency multi-junction solarcells Reviewed

    M-J. Yang PD研究員*, Masafumi Yamaguchi, T. Takamoto ジャパンエナジー*, E. Ikeda ジャパンエナジー*, H. Kurita ジャパンエナジー*, M. Ohmori ジャパンエナジー*

    Solar Energy Materials and Solar Cells   45 ( 4 )   331 - 339   1996

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  • Present Status and Future Prospects of Super High Efficiency III-V Compound Solar Cells Reviewed

    Masafumi Yamaguchi

    Renewable Energy   3   354 - 358   1996

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  • Mechanism for the anomalous degradation of Si solar cells induced by high fluence 1MeV electron irradiation Reviewed

    Masafumi Yamaguchi, S. J. Taylor 欧州連合奨学科学技術特別研究員*, S. Matsuda 宇宙開発事業団*, O. Kawasaki 宇宙開発事業団*

    Applied Physics Letters   68 ( 22 )   3141 - 3143   1996

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  • High-energy and high-fluence proton irradiation effects in Si solar cells Reviewed

    Masafumi Yamaguchi, S. J. Taylor 欧州連合奨学科学技術特別研究員*, M. -J. Yang*, S. Matsuda 宇宙開発事業団*, O. Kawasaki 宇宙開発事業団*, T. Hisamatsu 宇宙開発事業団*

    Journal of Applied Physics   80 ( 9 )   4916 - 4920   1996

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  • Analysis of Radiation Damage to Si Solar Cells under High-Fluence Electron Irradiation Reviewed

    Masafumi Yamaguchi, S. J. Taylor 欧州連合奨学科学技術特別研究員*, M. -J. Yang*, S. Matsuda 宇宙開発事業団*, O. Kawasaki 宇宙開発事業団*, T. Hisamatsu 宇宙開発事業団*

    Japanese Journal of Applied Physics.Part 1   35 ( 7 )   3918 - 3922   1996

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  • Super-High Efficiency Solar Cell R&D Program in Japan Reviewed

    Masafumi Yamaguchi, S. Wakamatsu 太陽光発電技術研究組合*

    Proceedings of 25th IEEE Photo-voltaic Specialists Conference   9 - 11   1996

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  • Analysis of Heteroepitaxial AlGaAs/Si Tandem Solar Cells Concentrator Applications Reviewed

    M. J. Yang*, S. J. Taylor 欧州連合奨学科学技術特別研究員*, Masafumi Yamaguchi

    Proceedings of 25th IEEE Photo-voltaic Specialists Conference   105 - 108   1996

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    Authorship:Last author   Publishing type:Research paper (international conference proceedings)  

  • Radiation-Resistance of InGaP Solar Cells Reviewed

    Masafumi Yamaguchi, C. V-Aburto Kent State Univ.*, S. J. Taylor 欧州連合奨学科学技術特別研究員*, M. -J. Yang*, T. Takamoto D1*, E. Ikeda ジャパンエナジー*, H. Kurita ジャパンエナジー*, R. M. Uribe Kent State Univ.*

    Proceedings of 25th IEEE Photo-voltaic Specialists Conference   163 - 166   1996

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  • Photoluminescence analysis of InGaP top cells for high-efficiency multi-junction solar cells Reviewed

    Masafumi Yamaguchi, M. -J. Yang*, T. Takemoto ジャパンエナジ ー*, E. Ikeda ジャパンエナジー*, H. Kurita ジャパンエナジー*, M. Ohmori ジャパンエナジー*

    Proceedings of 13th European Photovoltaic Solar Energy Conference   108 - 110   1995

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)  

  • Effects of irradiation temperature on radiation damage in damage in InP solar cells Reviewed

    Masafumi Yamaguchi

    Journal of Applied Physics   77 ( 8 )   3679 - 683   1995

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  • Radiation resistance of compound semiconductor solar cells Reviewed

    Masafumi Yamaguchi

    Journal of Applied Physics   78 ( 3 )   1476 - 480   1995

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  • Radiation resistance of InP-related materials Reviewed

    Masafumi Yamaguchi, T. Takamoto ジャパンエナジー*, E. Ikeda ジャパンエナジー*, H. Kuri-ta ジャパンエナジー*, M. O-hmori ジャパンエナジー*, K. Ando 鳥取大学*, C. V. Ab-urto Kent State Univ.*

    Japanese Journal of Applied Physics.Part 1   34 ( 11 )   6222 - 225   1995

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  • Radiation-resistant properties of InP-related materials Reviewed

    Masafumi Yamaguchi, K. Ando 鳥 取大学*, H. Kamada NTT光エレクトロニクス研究所*

    Materials Research Society Symposium Proceedings   373   535 - 540   1995

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  • A unified model for radiation-resistance of advanced space solar cells Reviewed

    Masafumi Yamaguchi, S. Katsumoto 東京大学*, C. Amano NTT光エレクトロニクス研究所*

    Proceedings of IEEE First World Conference on Photovoltaic Energy Conversion   2149 - 2152ZZ   1994

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  • High reliavility silica-based PLC l X 8 spilitters on Si Reviewed

    Y. Hibino NTT*, F. Hanawa NTT*, H. Nakagome NTT*, N. Takato NTT*, T. Miya NTT*, Masafumi Yamaguchi

    Electronics Letters   30 ( 8 )   640 - 642   1994

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  • Present status and future prospects for advanced space solar cells Reviewed

    Masafumi Yamaguchi

    Solar Energy Materials and Solar Cells   35   83 - 92   1994

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  • Radiation-Resistant InP Solar Cells for Space Aplications Reviewed

    Masafumi Yamaguchi, K. Takahashi他 宇宙科学研究所*, T. Takamoto他 ジャパンエナジー*, S. Ikegami他 NEC*, T. Hayashi 千葉工業大学*, A. Ushirokawa 東京工料大学*

    Optoelectronics   9 ( 4 )   537 - 550   1994

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  • Hydrogenation effects on+-P InP solar cell Reviewed

    S. K*, Min KIST*, W. C. Choi KIST*, H. Y. Cho KIST*, Masafumi Yamaguchi

    Applied Physics Letters   64 ( 10 )   1280 - 1282   1994

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  • Chemical beam epitaxy as a break through technology for photovoltaic solar energy applications Reviewed

    Masafumi Yamaguchi, T. Warabisako 日立製作所*, H. Sugiura NTT*

    Journal of Cristal Growth   136   29 - 36   1994

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MISC

  • 多接合太陽電池の高効率化の動向と表面・界面・欠陥の役割

    山口 真史, 小島 信晃, 大下 祥雄

    表面と真空   66 ( 2 )   97 - 102   2023.2

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:日本表面真空学会  

    DOI: https://doi.org/10.1380/vss.66.97

  • (Review) Terawatt-scale photovoltaics Transform global energy Reviewed

    Nancy M. Haegel*, Harry Atwater Jr.*, Teresa Barnes*, Christian Breyer*, Anthony Burrell*, Yet-Ming Chiang*, Stefaan De Wolf*, Bernhard Dimmler*, David Feldman*, Stefan Glunz*, Jan Christoph Goldschmidt*, David Hochschild*, Ruben Inzunza*, Izumi Kaizuka*, Ben Kroposki*, Sarah Kurtz*, Sylvere Leu*, Robert Margolis*, Koji Matsubara*, Axel Metz*, Wyatt K. Metzger*, Mahesh Morjaria*, Shigeru Niki*, Stefan Nowak*, Ian Marius Peters*, Simon Philipps*, Thomas Reindl*, Andre Richter*, Doug Rose*, Keiichiro Sakurai*, Rutger Schlatmann*, Masahiro Shikano*, Wim Sinke*, Ron Sinton*, B.J. Stanbery*, Marko Topic*, William Tumas*, Yuzuru Ueda*, Jao van de Lagemaat*, Pierre Verlinden*, Matthias Vetter*, Emily Warren*, Mary Werner*, 山口 真史, Andreas W. Bett*

    Science   364 ( 644 )   836 - 838   2019.5

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    Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:American Association for the Advancement of Science  

  • (解説)太陽電池市場の現状と将来展望 Reviewed

    山口 真史

    WEB Journal 2019・2月号   24 ( 9 )   2 - 10   2019.2

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:アクトライエム  

  • (解説)太陽電池の車載応用に向けた最近の動向 Reviewed

    荒木 建次, 山口 真史

    応用物理   88 ( 2 )   84 - 90   2019.2

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    Authorship:Last author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:応用物理学会  

  • (解説)車載太陽電池の技術開発動向 Reviewed

    荒木 建次, 山口 真史

    月刊車載テクノロジー(2018年11月号)   33   50 - 54   2018.11

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    Authorship:Last author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:株式会社技術情報協会  

  • (解説)車載太陽電池の技術開発動向 Reviewed

    荒木 建次, 山口 真史

    車載テクノロジー   6 ( 2 )   76 - 80   2018.10

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    Authorship:Last author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:技術情報協会  

  • (Topical Review) A review of recent progress in heterogeneous silicon tandem solar cells Reviewed

    Masafumi Yamaguchi, リ カンファ, Kenji Araki, Nobuaki Kojima

    Journal of Physics D: Applied Physic   51 ( 13 )   133002   2018.3

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:IOP Publishing Ltd  

  • (Invited Review) Efficiency potential and recent activities of high-efficiency solar cells Reviewed

    Masafumi Yamaguchi, Hiroyuki Yamada*, Yasuhiro Katsumata*, リ カンファ, Kenji Araki, Nobuaki Kojima

    Journal of Materials Research   32 ( 18 )   3445 - 3457   2017.9

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:Cambridge Core  

  • (解説)次世代太陽電池の高効率化に関する考察 Reviewed

    山口 真史, リ カンファ, 荒木 建次, 小島 信晃

    信学技報   116 ( 471 )   67 - 72   2017.2

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:電子情報通信学会  

  • (解説)太陽電池市場の現状と将来展望 Reviewed

    山口 真史

    WEB Journal 2017・1月号   2 - 9   2017.1

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  • (Review) Recent results for concentrator photovoltaics in Japan Reviewed

    Masafumi Yamaguchi, Tatsuya Takamoto*, Kenji Araki, Nobuaki Kojima

    Japanese Journal of Applied Physics   55 ( 4S )   04EA05   2016.3

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:The Japan Society of Applied Physics  

  • (解説)太陽電池市場の現状と将来展望 Reviewed

    山口 真史

    WEB Journal   21 ( 9 )   2 - 9   2016.1

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  • (解説)集光太陽光発電日欧共同研究 Reviewed

    山口 真史, 荒木建次*, 小島 信晃

    半導体電力変換・モータドライブ合同研究会資料   13 - 18   2015.8

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:一般社団法人電気学会  

  • 太陽電池市場の現状と将来展望(解説論文) Reviewed

    山口 真史

    WEB Journal   20 ( 9 )   pp.2 - 7   2015.1

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  • 次代を担うクリーンエネルギー社会の創製に向けて(解説論文) Reviewed

    山口 真史

    シャープ技報   107   pp.2 - 3   2014.7

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  • 高効率太陽電池の研究開発動向と今後の展望(解説論文) Reviewed

    山口 真史

    電子情報通信学会論文誌   J97-C ( 6 )   264 - 272   2014.6

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  • 高効率太陽電池の研究開発動向と今後の展望(解説論文) Reviewed

    山口 真史

    電子情報通信学会技術研究報告 信学技報   2013.8

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  • 超高効率を目指す次世代太陽電池(解説論文) Reviewed

    山口 真史

    応用物理   82 ( 3 )   264 - 267   2013.3

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:公益社団法人 応用物理学会  

  • 太陽電池市場の現状と将来展望 Reviewed

    山口 真史

    WEB Journal   17 ( 9 )   2 - 6   2012.1

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  • 世界最高効率45%以上を目指した集光型太陽電池の共同研究開発 Reviewed

    山口 真史

    未来材料   11 ( 12 )   48 - 53   2011.12

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:(株)エヌ・ティー・エス  

  • 太陽光を利用した独創的クリーンエネルギー生成技術の創出 Reviewed

    山口 真史

    未来材料   11 ( 3 )   52 - 56   2011.3

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:株式会社エヌ・ティー・エス  

  • 太陽電池の高効率化の現状と将来 Reviewed

    山口 真史

    ケミカルエンジニヤリング   56 ( 3 )   1 - 6   2011.3

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:株式会社化学工業社  

  • 超高効率型太陽電池の研究動向 Reviewed

    山口 真史

    月刊ディスプレイ   17 ( 3 )   3 - 7   2011.3

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:株式会社テクノタイムズ社  

  • 太陽電池市場の最新動向 Reviewed

    山口 真史

    WEB Journal   16 ( 9 )   2 - 6   2011.1

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  • 超高効率多接合型太陽電池 Reviewed

    山口 真史

    電気管理技術   32 ( 6 )   20 - 25   2010.10

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:社団法人 東京電気管理技術者協会  

  • 多接合太陽電池開発と評価解析 Reviewed

    山口 真史, 大下 祥雄, 小島 信晃, 佐々 木拓生

    表面   48 ( 10 )   313 - 330   2010.10

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  • 超高効率化合物太陽電池-材料・技術動向と課題- Reviewed

    山口 真史

    工業材料   58 ( 4 )   49 - 53   2010.4

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    Authorship:Lead author   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:日刊工業新聞社  

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Books

  • EV用電池の安全性向上、高容量化と劣化抑制技術

    山口 真史( Role: Joint author ,  第11章 車載電池の利用効率の向上技術◇第1節 車載用太陽電池の技術開発動向(pp.499-508))

    (株)技術情報協会  2023.11  ( ISBN:978-4-86104-992-7

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    Book type:Scholarly book

  • Post-Transition Metals

    Masafumi Yamaguchi(High-Efficiency GaAs-Based Solar Cells)

    IntechOpen  2020.11 

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    Book type:Scholarly book

  • Encyclopedia of Sustainability Science and Technology

    Masafumi Yamaguchi, Kenji Araki(Section:Photovoltaics Concentrated Solar Cells)

    Springer  2020.1 

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    Book type:Scholarly book

  • Clean Electricity from Photovoltaics 2nd Edition

    Masafumi Yamaguchi(Chapter7 Super-High-Efficiency III–V Tandem and Multijunction Cells(pages307-338))

    Imperial College Press  2014.12 

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    Book type:Scholarly book

  • 化合物薄膜太陽電池の最新技術II

    山口 真史(第7章超高効率太陽電池1.超高効率太陽電池の基礎(pp.260-266))

    シーエムシー出版  2014.10  ( ISBN:978-4-7813-0974-3

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    Book type:Scholarly book

  • 環境発電ハンドブック

    山口 真史(第2編環境発電の原理 第3章光発電 pp.34-42)

    株式会社エヌ・ティー・エス  2012.11 

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    Book type:Scholarly book

  • Advanced Solar Cell Materials, Technology, Modeling and Simulation

    Masafumi Yamaguchi(Chapter1.New Trends in Solar Cells (pages 1-21) Chapter2.Physical Limitations of Photovoltaic Conversion (pages 22-31) Chapter9.Super High Efficiency Multi-Junction Solar Cells and Concentrator Solar Cells (pages 139-162) Chapter14.Prospects and Strategy of Development for Advanced Solar Cells (pages 287-296) )

    IGI Global  2012.7 

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    Book type:Scholarly book

  • Comprehensive Renewable Energy

    Masafumi Yamaguchi(Volume1:Photovoltaic Solar Energy, Technology, 1.22 Multiple Junction Solar Cells(Pages 497-514))

    Elsevier  2012.7 

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    Book type:Scholarly book

  • 高効率太陽電池 化合物・集光型・量子ドット型・Si・有機系・その他新材料

    山口 真史(序論 高効率太陽電池への挑戦 pp.1-10 )

    株式会社エヌ・ティー・エス  2012.5 

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    Book type:Scholarly book

  • Solar Cells – New Aspects and Solutions

    ブザイリ ブザジ, Hidetoshi Suzki*, Nobuaki Kojima, Yoshio Ohshita, Masafumi Yamaguchi, 他学外者*(Chapter 23: Investigation of Lattice Defects in GaAsN Grown by Chemical Beam Epitaxy Using Deep Level Transient Spectroscopy)

    InTech  2011.11 

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    Responsible for pages:489-512   Book type:Scholarly book

  • 超高効率太陽電池・関連材料の最前線

    山口 真史, 他36名*(第3章多接合太陽電池 1.超高効率多接合太陽電池の研究開発)

    株式会社シーエムシー出版  2011.8  ( ISBN:978-4-7813-0310-9

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    Responsible for pages:93-106   Book type:Scholarly book

  • セラミックス機能化ハンドブック

    山口 真史, 他104名*(第4編化学・エネルギー機能 第1章エネルギー機能 1太陽電池 2シリコン、I-VI、III-Vおよびその他の太陽電池 pp.262-267)

    株式会社エヌ・ティー・エス  2011.1 

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    Responsible for pages:262-267   Book type:Scholarly book

  • 太陽電池&太陽光発電のしくみがよくわかる本

    PV普及研究会*, 山口 真史

    株式会社技術評論社  2010.9  ( ISBN:978-4-7741-4338-5

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  • 太陽電池の基礎と応用 シリコンから有機・量子まで

    山口 真史, M.A.グリーン*, 大下 祥雄, 小島 信晃

    丸善株式会社  2010.7 

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  • 太陽電池の基礎と応用

    山口 真史, 大下 祥雄, 他97名*(第Ⅰ部総論 1総論 1.2太陽電池の種類とエネルギー変換効率の現状pp.9-12、第II部太陽電池の基礎と応用 3シリコン太陽電池 3.5結晶評価技術 3.5.4結晶評価:μ-XRFならびにμ-XAFS測定pp.70-71、6III-V族化合物半導体太陽電池、6.5多接合セルpp.207-215、6.8宇宙応用pp.227-230)

    (株)培風館  2010.7 

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    Book type:Scholarly book

  • 太陽電池と部材の開発・製造技術

    山口 真史, 他32名*(はじめに 太陽電池および部材各種の最新動向 pp.1-12、 第5章太陽電池の最新高効率化技術 第2節各種部材から見た集光技術ならびに集光効率向上技術pp.322-333)

    ㈱情報機構  2010.3  ( ISBN:978-4-9040-8046-7

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  • 高効率太陽電池の開発と応用

    山口 真史, 大下 祥雄, 小島 信晃, 他学外者11名*(第1章 総論-高効率太陽電池への期待pp.1-7 第2章 太陽電池の高効率化技術pp.8-25 第3章 高効率太陽電池の基礎pp.26-42 第6章 宇宙用太陽電池 1.宇宙用太陽電池の動向 pp.148-158 第7章 新型太陽電池・材料 2.新材料InGaAsN pp.214-224 4.III-V化合物/シリコンとモノリシック pp.233-247 第8章 高効率太陽電池の応用 3.自動車応用 pp.260-267)

    シーエムシー出版  2009.11  ( ISBN:978-4-7813-0150-1

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  • 太陽電池 革新技術的技術全集2009版

    山口 真史, 他学外者83名*(序章 太陽電池におけるイノベーションと将来動向 pp.3-13 第3章 超高効率・集光式太陽電池における開発動向と課題 第1節 超高効率型・集光型太陽電池の研究開発動向 pp.371-382)

    技術情報協会  2009.9  ( ISBN:978-4-8610-4297-3

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  • 図解 最新太陽光発電のすべて

    山口 真史, 他学外者44名*(第2章 実用化進む太陽電池開発の現状と将来展望  III-V族化合物太陽電池-超高効率太陽電池-pp.78-83)

    工業調査会  2009.7  ( ISBN:978-4-7693-7171-7

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  • 太陽電池2008/2009 急拡大する市場と新技術

    山口 真史, 大下 祥雄, 小島 信晃(第5章基礎から学ぶ太陽電池pp.207-251)

    日経BP社  2008.6  ( ISBN:978-4-8222-1348-0

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  • 化合物薄膜太陽電池の最新技術

    山口 真史, 小島 信晃, 他*(第7章超高効率太陽電池 1. 超高効率太陽電池の展望、PP.220-226 4. 注目されるⅢ-Ⅴ-N系太陽電池、PP.248-255)

    シーエムシー出版  2007.6  ( ISBN:978-4-8823-1686-2

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  • Concentrator Photovoltaics

    山口 真史(15 Concentrator Solar Cell Modules and Systems Development in Japan pp.321-340)

    Springer  2007  ( ISBN:978-3-5406-8796-2

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  • 電子材料ハンドブック

    山口 真史, 他*(7.5太陽電池材料、PP..533-536)

    朝倉書店  2006.11  ( ISBN:978-4-2542-2151-0

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    Book type:Scholarly book

  • 太陽電池材料

    山口 真史(3.宇宙用太陽電池 3.2宇宙用超高効率太陽電池 pp.87-94)

    日刊工業新聞社  2006.1  ( ISBN:4-526055-81-6

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    Book type:Scholarly book

  • Advances in Solar Energy

    Masafumi Yamaguchi, Tatsuya Takamoto 1998博士修了・Sharp Co.*, Kenji Araki Daido Steel Co.(分担)*(Chapter4 Ⅲ-Ⅴ Compound Multi-junction Concentrator Solar Cells pp.97-128)

    Earthscan  2005 

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    Book type:Scholarly book

  • キーワード解説 光技術総合事典

    山口 真史(光起電力効果pp272-273)

    オプトロニクス社  2004.12  ( ISBN:978-4-9023-1208-9

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    Book type:Scholarly book

  • 太陽電池

    山口 真史(第7章Ⅲ-Ⅴ族太陽電池,pp.155-175)

    コロナ社  2004.7 

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    Book type:Scholarly book

  • 表面科学の基礎と応用 新訂版・日本表面科学会創立25周年記念

    山口 真史(第3編応用編 第1章半導体材料の設計・作製および評価 第3節シリコンプロセスにおける薄膜・界面形成プロセスと評価 1.太陽電池,pp.932-934)

    エヌ・ティー・エス  2004.6  ( ISBN:978-4-8604-3051-1

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    Book type:Scholarly book

  • 新エネルギー大事典

    山口 真史(化合物半導体太陽電池,pp.153-162)

    工業調査会  2002.2 

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    Book type:Scholarly book

  • パワーエレクトロニクスハンドブック

    山口 真史, 小島 信晃, 他104名*(2.2.3 太陽電池 1. まえがき,pp.1081-1083,4.Ⅲ―Ⅴ族化合物および宇宙用太陽電池,pp.1102-1105,5.太陽光発電システム,pp.1105-1110)

    R&Dプランニング  2002.2 

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    Book type:Scholarly book

  • CLEAN ELECTRICITY FROM PHOTOVOLTAICS (Series on Photoconversion of Solar Energy ; Vol.1)

    Masafumi Yamaguchi(Super-high efficiency Ⅲ-Ⅴ tandem and multijunction cells, pp.347-375)

    Imperial College Press  2001 

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    Book type:Scholarly book

  • 水素と水素化物の応用物性研究会 活動報告書

    上田一之*, 吉村 雅満, 山口 真史(1)はじめに,10)走査型水素検出顕微鏡の開発とその応用,12)シリコン材料におけるSTM,22)1998年春MRSシンポジウム参加報告)

    財団法人 科学技術交流財団  1999.3 

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    Book type:Scholarly book

  • 化学便覧 ; 応用化学編Ⅰ 第5版

    山口 真史(第5章 電子・情報材料 Ⅲ-Ⅴ族化合物半導体)

    丸善  1995 

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    Book type:Scholarly book

  • 太陽エネルギー工学

    山口 真史

    培風館  1994.5 

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    Responsible for pages:169-217   Book type:Scholarly book

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Presentations

  • (招待)部分日影に強い太陽電池モジュールの提案 Invited

    中村 京太郎, 岡本 親扶, 太田 靖之, 山口 真史, 大下 祥雄

    第21回「次世代の太陽光発電システム」シンポジウム(第4回日本太陽光発電学会学術講演会)  ( 広島国際会議場+オンライン )   2024.7 

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    Event date: 2024.7

    Presentation type:Oral presentation (invited, special)  

  • Effectiveness of the Concentrating Photovoltaics (CPV) Toward TW-Scale PV Production International conference

    Masafumi Yamaguchi, Kenji Araki*, Yasuyuki Ota*, Kensuke Nishioka*, Yuchao Zhang*, Brett Hallam*, Nobuaki Kojima, Yoshio Ohshita

    52nd IEEE Photovoltaic Specialists Conference (PVSC52)  ( Seattle Convention Center, Seattle, WA, USA )   2024.6 

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    Event date: 2024.6

    Presentation type:Poster presentation  

  • 33.7% Efficiency Si Tandem Solar Cell Modules International conference

    Masafumi Yamaguchi, Tatsuya Takamoto*, Hiroyuki Juso*, Kyotaro Nakamura, Ryo Ozaki, Nobuaki Kojima, Yoshio Ohshita

    52nd IEEE Photovoltaic Specialists Conference (PVSC52)  ( Seattle Convention Center, Seattle, WA, USA )   2024.6 

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    Event date: 2024.6

    Presentation type:Poster presentation  

  • (Keynote) Importance of Vehicle Integrated Photovoltaics toward Creation of Clean Energy Society Invited International conference

    Masafumi Yamaguchi

    ENERGYMEET2024  ( Online )   2024.4 

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    Event date: 2024.4

    Presentation type:Oral presentation (keynote)  

  • (Keynote) Importance of Development of High-efficiency Solar Cells and Modules toward Creation of Clean Energy Society Invited International conference

    Masafumi Yamaguchi

    2024 14th International Conference on Power, Energy, and Electrical Engineering (CPEEE 2024)  ( TKP Tokyo Station Conference Center, Japan )   2024.2 

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    Event date: 2024.2

    Presentation type:Oral presentation (keynote)  

  • (Invited) Development of high-efficiency and radiation-resistant solar cells for space use Invited International conference

    Masafumi Yamaguchi

    The School of Space Qualification 2024  ( Mantra Mooloolaba Beach, Australia )   2024.2 

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    Event date: 2024.2

    Presentation type:Oral presentation (invited, special)  

  • Approaches to High-Efficiency III-V/Si and Perovskite/Si Tandem Solar Cells International conference

    Masafumi Yamaguchi, Tatsuya Takamoto*, Kyotaro Nakamura, Ryo Ozaki, Nobuaki Kojima, Yoshio Ohshita

    2023 MRS Fall Meeting & Exhibit  ( Hynes Convention Center and Sheraton Boston Hotel, USA & Online )   2023.11 

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    Event date: 2023.11 - 2023.12

    Presentation type:Oral presentation (general)  

  • (Keynote) Impact of Solar cell Powered Vehicles upon Reduction in CO2 Emission Invited International conference

    Masafumi Yamaguchi

    The 4th International Congress of Environment (ICE-2023)  ( Hotel emisia Sapporo, Hokkaido, Japan )   2023.11 

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    Event date: 2023.11

    Presentation type:Oral p