@article{CTT100704024,
  author = {Takahito Nishimura and Yoshiaki Hirai and Yasuyoshi Kurokawa and AKIRA YAMADA},
  title = {Control of valence band offset at CdS/Cu(In,Ga)Se2 interface by inserting wide-bandgap materials for suppression of interfacial recombination in Cu(In,Ga)Se2 solar cells},
  journal = {Japanese Journal of Applied Physics},
  year = 2015,
}

@article{CTT100724938,
  author = {Takahito Nishimura and Yoshiaki Hirai and Yasuyoshi Kurokawa and Akira Yamada},
  title = {Fabrication of Cu(In,Ga)Se2 solar cells with a single graded band profile},
  journal = {Physica Status Solidi (b)},
  year = 2015,
}

@article{CTT100682256,
  author = {Yoshiaki Hirai and AKIRA YAMADA and Yasuyoshi Kurokawa},
  title = {Numerical study of Cu(In,Ga)Se2 solar cell performance toward 23% conversion efficiency},
  journal = {Japanese Journal of Applied Physics},
  year = 2013,
}

@article{CTT100647461,
  author = {Yoshiaki Hirai and Yukiya Hidaka and Yasuyoshi Kurokawa and Akira Yamada},
  title = {Improvement of the Band Profile of Cu(In,Ga)Se2 Solar Cells with High-Ga Content Prepared Using a Five-Stage Method},
  journal = {Japanese Journal of Applied Physics},
  year = 2012,
}

@article{CTT100635372,
  author = {Yoshiaki Hirai and Hiroshi Nagashima and Yasuyoshi Kurokawa and Akira Yamada},
  title = {Experimental and Theoretical Evaluation of Cu(In,Ga)Se2 Concentrator Solar Cells},
  journal = {Japanese Journal of Applied Physics},
  year = 2012,
}

@inproceedings{CTT100724939,
  author = {Takahito Nishimura and Yoshiaki Hirai and Yasuyoshi Kurokawa and Akira Yamada},
  title = {Theoretical and Experimental Investigation of the Recombination Reduction at CdS/Cu(In,Ga)Se2 Interface by Valence and control},
  booktitle = {},
  year = 2015,
}

@inproceedings{CTT100725205,
  author = {西村昂人 and 平井義晃 and 黒川康良 and 山田明},
  title = {Cu(InGa)Se2薄膜太陽電池の価電子帯制御による界面再結合抑制効果の理論及び実験的検証},
  booktitle = {},
  year = 2015,
}

@inproceedings{CTT100725212,
  author = {T. Nishimura and Y. Hirai and Y. Kurokawa and A. Yamada},
  title = {Improving efficiency of Cu(InGa)Se2 solar cells by inserting Cu(InGa)3Se5 interface layer},
  booktitle = {},
  year = 2015,
}

@inproceedings{CTT100735423,
  author = {Takahito Nishimura and Yoshiaki Hirai and Yasuyoshi Kurokawa and AKIRA YAMADA},
  title = {Influence by Inserting Wide-gap Material at CdS/Cu(In,Ga)Se2 Interface for Cu(In,Ga)Se2 Solar Cells},
  booktitle = {},
  year = 2014,
}

@inproceedings{CTT100678365,
  author = {T. Nishimura and Y. Hirai and Y. Kurokawa and A. Yamada},
  title = {Suppression of Recombination at a CdS/CIGS Interface by Inserting Cu(In,Ga)3Se5 for Cu(In,Ga)Se2 Solar Cells},
  booktitle = {},
  year = 2014,
}

@inproceedings{CTT100678364,
  author = {T. Nishimura and S. Kasashima and Y. Hirai and Y. Kurokawa and A. Yamada},
  title = {Fabrication of Cu(In,Ga)Se2 solar cells with a single graded band profile},
  booktitle = {ICTMC-19 Book of Abstracts},
  year = 2014,
}

@inproceedings{CTT100735422,
  author = {西村昂人 and 平井義晃 and 黒川康良 and 山田明},
  title = {Cu(In,Ga)Se2太陽電池への Cu(In,Ga) 3Se5導入による界面再結合の抑制},
  booktitle = {},
  year = 2014,
}

@inproceedings{CTT100678904,
  author = {平井義晃 and 西村昂人 and 黒川康良 and 山田明},
  title = {高いGa組成を有するCu(InGa)Se2薄膜表面へのZnSe挿入が太陽電池特性に及ぼす影響},
  booktitle = {},
  year = 2014,
}

@inproceedings{CTT100669086,
  author = {Akira Yamada and Takeshi Umehara and Dongduong Nguyenphuc and Satoshi Onishi and Yoshiaki Hirai and Shunsuke Kasashima and Yasuyoshi Kurokawa},
  title = {Towards Realization of Thin-Film Full Supectrum Solar Cells using Chalcopyrite-Based Solar Cells},
  booktitle = {},
  year = 2014,
}

@inproceedings{CTT100682257,
  author = {AKIRA YAMADA and Yoshiaki Hirai and Yasuyoshi Kurokawa},
  title = {An approach to enhance the CIGS solar cell efficiency up to 23%; numerical results},
  booktitle = {20a-M2-1},
  year = 2013,
}

@inproceedings{CTT100663474,
  author = {Yoshiaki Hirai and Ryotaro Suzuki and Yasuyoshi Kurokawa and Akira Yamada},
  title = {Numerical Simulation about Effects of Bandgap Grading in Cu(In,Ga)Se2 with a Bandgap of 1.4 eV on Solar Cell},
  booktitle = {},
  year = 2013,
}

@inproceedings{CTT100663371,
  author = {平井 義晃 and 鈴木 良太郎 and 黒川 康良 and 山田 明},
  title = {Cu(In,Ga)Se2のバンドプロファイルが太陽電池特性に及ぼす影響に関する理論解析},
  booktitle = {},
  year = 2013,
}

@inproceedings{CTT100663379,
  author = {平井義晃 and 鈴木良太郎 and 黒川康良 and 山田明},
  title = {Cu(In,Ga)Se2のバンドプロファイルが太陽電池特性に及ぼす影響の理論解析},
  booktitle = {},
  year = 2013,
}

@inproceedings{CTT100663395,
  author = {Akira YAMADA and Yoshiaki HIRAI and Yasuyoshi KUROKAWA},
  title = {Highly Efficient CIGS Solar Cells:Highly Efficient CIGS Solar Cells:},
  booktitle = {},
  year = 2013,
}

@inproceedings{CTT100647462,
  author = {Yoshiaki Hirai and Yasuyoshi Kurokawa and Akira Yamada},
  title = {High Temperature Preparation of Cu(In,Ga)Se2 Thin Films with High Ga content},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100644653,
  author = {Yoshiaki Hirai and Takao Kashima and Yasuyoshi Kurokawa and AKIRA YAMADA},
  title = {High Temperature Preparation of Cu(In,Ga)Se2 Thin Films with High Ga Content},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100647465,
  author = {Yoshiaki Hirai and Yasuyoshi Kurokawa and Akira Yamada},
  title = {IMPROVEMENT OF THE BAND PROFILE OF Cu(In,Ga)Se2 SOLAR CELLS WITH HIGH-Ga CONTENT PREPARED BY A FIVE-STAGE METHOD},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100647471,
  author = {Yoshiaki Hirai and Akira Yamada},
  title = {HIGH TEMPERATURE PREPARATION OF Cu(In,Ga)Se2 THIN FILMS},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100643148,
  author = {平井義晃 and 鹿島隆雄 and 黒川康良 and 山田 明},
  title = {高いGa組成を有するCu(In,Ga)Se2薄膜の高温製膜},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100643126,
  author = {Yoshiaki Hirai and Yasuyoshi Kurokawa and Akira Yamada},
  title = {Theoretical evaluation of effect of Cu(In, Ga)Se2 Band Profile on Solar Cell Performance taking into Account the Novel Absorption Coefficient},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100639337,
  author = {Sinae Kim and Fuminori Takahashi and Shunsuke Kasashima and Yoshiaki Hirai and Sichanugrist Porponth and Akira Yamada and Makoto Konagai},
  title = {Development of Thin-Film Solar Cells Using Solar Spectrum Splitting Technique},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100635371,
  author = {平井義晃 and 黒川康良 and 山田明},
  title = {｢講演奨励賞受賞記念講演｣低光吸収係数を考慮したCu(In,Ga)Se2太陽電池及びそのバンドプロファイルの理論解析},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100643093,
  author = {Xianfeng Zhang and Tsuyoshi Kobayashi and Satoshi Oonishi and Yoshiaki Hirai and Yuta Nakajima and Yasuyoshi Kurokawa and Akira Yamada},
  title = {Progress Towards Realization of Chalcopyrite-Based Tandem Solar Cells},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100639336,
  author = {高橋 史哲 and 笠嶋 俊介 and 金 信愛 and 平井 義晃 and Porponth Sichanugrist and 山田 明 and 小長井 誠},
  title = {波長スプリッティング型薄膜太陽電池の開発},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100639335,
  author = {木暮亮太郎 and 笠嶋俊介 and 平井義晃 and Sichanugrist Porponth and 山田 明 and 小長井誠},
  title = {低倍率集光型a-SiO:H/a-Si:H//CIGS四端子タンデム薄膜太陽電池},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100634743,
  author = {高橋史哲 and 笠嶋俊介 and KimSinae and 平井義晃 and Porponth Sichanugrist and 山田明 and 小長井誠},
  title = {波長スプリッティング型薄膜太陽電池の開発},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100631873,
  author = {Shunsuke Kasashima and Ryotaro Kogure and Sorapong Inthisang and Yoshiaki Hirai and Porponth Sichanugrist and Akira Yamada and Makoto Konagai},
  title = {FOUR-TERMINAL THIN-FILM SOLAR CELLS FOR LOW CONCENTRATION PHOTOVOLTAICS},
  booktitle = {},
  year = 2011,
}

@inproceedings{CTT100635369,
  author = {Yoshiaki Hirai and Yasuyoshi Kurokawa and AKIRA YAMADA},
  title = {IMPROVEMENT OF THE BAND PROFILE OF Cu(In,Ga)Se2 SOLAR CELLS WITH HIGH-Ga CONTENT PREPARED BY A FIVE-STAGE METHOD},
  booktitle = {},
  year = 2011,
}

@inproceedings{CTT100627564,
  author = {木暮亮太郎 and 笠嶋俊介 and 平井義晃 and Porponth Sichanugrist and 山田明 and 小長井誠},
  title = {a-Si:H//CIGS 四端子タンデム薄膜太陽電池の開発},
  booktitle = {},
  year = 2011,
}

@inproceedings{CTT100635370,
  author = {平井義晃 and 黒川康良 and 山田明},
  title = {多段階法で作製した高いGa組成を有するCu(In,Ga)Se2太陽電池バンドプロファイル},
  booktitle = {},
  year = 2011,
}

@inproceedings{CTT100643055,
  author = {Akira Yamada and Xianfeng Zhang and Satoshi Oonishi and Hiroshi Nagashima and Yukiya Hidaka and Yuta Nakajima and Tsuyoshi Kobayashi and Yoshiaki Hirai and Yasuyoshi Kurokawa},
  title = {Approaches to realization of Cu(InGa)Se2-based tandem solar cells},
  booktitle = {},
  year = 2010,
}

@misc{CTT100682873,
  author = {Yoshiaki Hirai},
  title = {Study of High Efficiency Cu(InGa)Se2 Solar Cells with High Ga Content},
  year = 2015,
}

@misc{CTT100698605,
  author = {Yoshiaki Hirai},
  title = {Study of High Efficiency Cu(InGa)Se2 Solar Cells with High Ga Content},
  year = 2015,
}

@misc{CTT100682874,
  author = {Yoshiaki Hirai},
  title = {Study of High Efficiency Cu(InGa)Se2 Solar Cells with High Ga Content},
  year = 2015,
}

@misc{CTT100682869,
  author = {Yoshiaki Hirai},
  title = {Study of High Efficiency Cu(InGa)Se2 Solar Cells with High Ga Content},
  year = 2015,
}



@phdthesis{CTT100682873,
  author = {Yoshiaki Hirai},
  title = {Study of High Efficiency Cu(InGa)Se2 Solar Cells with High Ga Content},
  school = {東京工業大学},
  year = 2015,
}

@phdthesis{CTT100698605,
  author = {Yoshiaki Hirai},
  title = {Study of High Efficiency Cu(InGa)Se2 Solar Cells with High Ga Content},
  school = {東京工業大学},
  year = 2015,
}

@phdthesis{CTT100682874,
  author = {Yoshiaki Hirai},
  title = {Study of High Efficiency Cu(InGa)Se2 Solar Cells with High Ga Content},
  school = {東京工業大学},
  year = 2015,
}

@phdthesis{CTT100682869,
  author = {Yoshiaki Hirai},
  title = {Study of High Efficiency Cu(InGa)Se2 Solar Cells with High Ga Content},
  school = {東京工業大学},
  year = 2015,
}