吉永 征矢
Seiya Yoshinaga

Ph.D student, 2nd year
Information Device Science Laboratory
Graduate School of Materials Science
Nara Institute of Science and Technology
8916-5 Takayama, Ikoma, Nara 630-0192, JAPAN
Email: y-seiya @ ms.naist.jp
Tel: +81-743-72-6064
Fax: +81-743-72-6069


Biography

2014.2 - 2014.4 International Internship - LPICM, Ecole Polytechnique, France
2014.1 - 2014.2 International Internship - University of California Davis, The USA
2014 - present Ph.D Program - Graduate School of Materials Science, Nara Institute of Science and Technology, JAPAN
2012 - 2014 Master Program - Graduate School of Materials Science, Nara Institute of Science and Technology, JAPAN
2008 - 2012 Bachelor Program - Department of Physics, Faculty of Science and Engineering, Saga University, JAPAN


Honors and Grants
2014 第一種奨学金全額免除 博士前期課程


Publications
Seiya Yoshinaga, Yasuaki Ishikawa, Shinji Araki, Yukiharu Uraoka,
"Light trapping effect of nanoimprinte-textured crystalline silicon solar cells",
Conference Proceedings in 39th IEEE Photovoltaic Specialists Conference (39th IEEE-PVSC), 1310-1313 (2013)

Seiya Yoshinaga, Yasuaki Ishikawa, Shinji Araki, Yukiharu Uraoka,
"SIZE OPTIMIZATION OF NANOIMPRINTED-TEXTURE ON CRYSTALLINE SILICON SOLAR CELL BY THREE DIMENSIONAL SIMULATION",
Conference Proceedings in 29th European Photovoltaic Solar Energy Conference and Exhibition (EU-PVSEC 2014), 1053-1055 (2014)



Presented Works

International conferences
Seiya Yoshinaga, Yasuaki Ishikawa, Shinji Araki, and Yukiharu Uraoka,
"Light-Trapping Properties of Nanoimprinted-Textured Silicon Solar Cells with Inorganic Materials",
The 2013 International Device Physics Young Scientist Symposium (IDYS 2013), Nara, Japan. March (2013)

Seiya Yoshinaga, Yasuaki Ishikawa, Shinji Araki, and Yukiharu Uraoka,
"Numerical Analysis of Light-Trapping Structure in Nanoimprinted-Textured Silicon Solar Cells",
The 2013 International Meeting for Future of Electron Devices, Kansai (IMFEDK 2013), Osaka, Japan, June (2013)

Seiya Yoshinaga, Yasuaki Ishikawa, Shinji Araki, and Yukiharu Uraoka,
"Light Trapping Effect of Nanoimprinted-Textured Crystalline Silicon Solar Cells",
39th IEEE Photovoltaic Specialists Conference (39th IEEE-PVSC), Tampa, America, June (2013)

Seiya Yoshinaga, Yasuaki Ishikawa, Shinji Araki, Yunjiang Jiang, Masahiro Horita and Yukiharu Uraoka,
"Numerical Analysis of Submicron Size Texture on Crystalline Silicon Solar Cells Performances"
The 23rd International Photovoltaic Science and Engineering Conference (PVSEC-23), Taipei, Taiwan, October (2013)

Seiya Yoshinaga, Yasuaki Ishikawa, Shinji Araki, Yunjiang Jiang, Masahiro Horita and Yukiharu Uraoka,
"Size Optimization of Nanoimprinted-Texture on Crystalline Silicon Solar Cell by Three Dimensional Simulation"
29th European Photovoltaic Solar Energy Conference and Exhibition (EU-PVSEC 2014), Amsterdam, The Netherlands, September (2014)

Seiya Yoshinaga, Yasuaki Ishikawa, Shinji Araki, Tatsuki Honda, Yunjiang Jiang, Masahiro Horita and Yukiharu Uraoka,
"Surface Reflectance on Nanoimprinted-Texture on Crystalline Silicon Solar Cells"
The 6th World Conference on Photovoltaic Energy Conversion (WCPEC-6), Kyoto, Japan, November (2014)

国内学会 (Domestic conference)
吉永征矢, 石河泰明, 荒木慎司, 浦岡行治, "ナノインプリントによる表面テクスチャ構造を有したSi太陽電池の光散乱シミュレーション",
2013年 第60回応用物理学会春季学術講演会, 神奈川工科大学, 3月 (2013)

吉永征矢, 石河泰明, 西城理志, 荒木慎司, 堀田昌宏, 浦岡行治, "プリンテッドテクスチャ太陽電池のテクスチャ効果シミュレーション",
第10回「次世代の太陽光発電システム」シンポジウム, 石川県立音楽堂, 5月 (2013)

吉永征矢, 石河泰明, 荒木慎司, 姜雲建, 堀田昌宏, 浦岡行治, "サブミクロンサイズのナノインプリントテクスチャにおける光反射シミュレーション",
2013年 第74回応用物理学会秋季学術講演会, 同志社大学, 9月 (2013)

吉永征矢, 石河泰明, 荒木慎司, 本多竜規, 姜雲建, 堀田昌宏, 浦岡行治, "サブミクロンサイズのナノインプリントテクスチャにおける光反射シミュレーション",
第11回「次世代の太陽光発電システム」シンポジウム, 宮崎観光ホテル, 7月 (2014)

吉永征矢, 石河泰明, 荒木慎司, 本多竜規, 姜雲建, 堀田昌宏, 浦岡行治, "シリコン太陽電池に利用するナノインプリンテッドテクスチャ構造の最適化",
2014年 第75回応用物理学会秋季学術講演会, 北海道大学, 9月 (2014)




Research Interests

半導体工学 - Semiconductor Engineering
太陽電池 - Solar cell
ナノインプリントリソグラフィ - Nanoimprint Lithography
デバイスシミュレーション - Device Simulation


Activities

応用物理学会 - The Japan Society of Applied Physics