"Homare Hiroi","Study of Se-free Cu(In,Ga)S2 Solar Cells with KCN-free Process",,,,,,,2017,Sept. "Homare Hiroi","Study of Se-free Cu(In,Ga)S2 Solar Cells with KCN-free Process",,,,,,,2017,Sept. "Homare Hiroi","Study of Se-free Cu(In,Ga)S2 Solar Cells with KCN-free Process",,,,,,,2017,Sept. "廣井誉","セレンフリー硫化物系CIGS 太陽電池",,"オプトニューズ","一般財団法人光産業技術振興協会","Vol. 12","No. 2","Page 26-29",2017,July "Homare Hiroi,Yasuaki Iwata,Hiroki Sugimoto,Akira Yamada","Over 16% efficiency of Se-free Cu(In,Ga)S2 solar cell","European Materials Research Society",,,,,,2017,May "廣井誉","SeフリーCIGS太陽電池の実用化に向けた研究","第1 回フロンティア太陽電池セミナー",,,,,,2016,Nov. "Homare Hiroi,Yasuaki Iwata,Kyouhei Horiguchi,Hiroki Sugimoto,Akira Yamada","New Challenge in Se-free Cu(In,Ga)S2 Solar Cells","The 26th International Photovoltaic Science and Engineering Conference (PVSEC-26)",,,,,,2016,Oct. "廣井誉,岩田 恭彰,杉本 広紀,山田 明","セレンフリーCu(In,Ga)S2薄膜太陽電池の変換効率改善","第77回応用物理学会秋季学術講演会",,,,,,2016,Sept. "Homare Hiroi,yasuaki Iwata,Hiroki Sugimoto,Akira Yamada","Investigation of Se-free (Ag,Cu)(In,Ga)S2 solar cells","20th International Conference on Ternary and Multinary Compounds (ICTMC-20)",,,,,,2016,Sept. "廣井 誉","セレンフリーCIGS太陽電池の現状と課題","第45回太陽光発電プロジェクト講演会",,,,,,2016,Aug. "Homare Hiroi,Yasuaki Iwata,Hiroki Sugimoto,akira yamada","Progress Toward 1000-mV Open-Circuit Voltage on Chalcopyrite Solar Cells",,"IEEE Journal of Photovoltaics","IEEE",,,,2016,Aug. "Takuya Kato,Kimihiko Kitani,Kong-Fai Tai,Rui Kamada,Homare Hiroi,Hiroki Sugimoto","Characterization of the Back Contact of CIGS Solar Cell as the Origin of “Rollover” Effect","EU PVSEC 2016",,,,,,2016,June "Homare Hiroi,Yasuaki Iwata,Hiroki Sugimoto,Akira Yamada","Progress Toward 1000mV Open-Circuit Voltage on Chalcopyrite Solar Cells","43rd IEEE Photovoltaic Specialists Conference (PVSC)",,,,,,2016,June "Homare Hiroi,Yasuaki Iwata,Hiroki Sugimoto,AKIRA YAMADA","High efficiency pure-sulfide Cu(In,Ga)S2 solar cells with Cd-free buffer layer","European Materials Research Society (2016-Spring)",,,,,,2016,May "廣井誉,岩田恭彰,杉本広紀,山田明","高速昇温硫化によるSeフリーCu(In,Ga)S2薄膜太陽電池の変換効率改善","第13回「次世代太陽光発電システム」シンポジウム(日本学術振興会第175委員会)",,"日本学術振興会第175委員会",,,,2016,May "Hiroki Sugimoto,Homare Hiroi","Challenges in Low-Cost Chalcogenide Solar Cells toward Tens of GW Era","Materials Research Society Spring Meetings & Exhibits",,"MRS",,,,2016,Apr. "廣井誉,岩田恭彰,杉本広紀,山田明","Zn1-xMgxOバッファー層によるCu(In,Ga)S2薄膜太陽電池の変換効率改善","第63回応用物理学会春季学術講演会",,"応用物理学会",,,,2016,Mar. "Homare Hiroi,Yasuaki Iwata,Hiroki Sugimoto,AKIRA YAMADA","New world record efficiency for pure-sulfide Cu(In,Ga)S2 thin-film solar cell with Cd-free buffer layer via KCN-free process",,"IEEE Journal of Photovoltaics","IEEE","Volume 6",,"Page 760-763",2016,Mar. "廣井誉","Cu(In,Ga)S2薄膜太陽電池の研究開発","JSPS第175委員会「化合物薄膜太陽電池分科会」第6回研究会",,"JSPS第175委員会",,,,2016,Jan. "廣井誉,岩田恭彰,杉本広紀,山田明","低コストカルコゲナイド太陽電池の開発","平成27年度 応用物理学会「多元系化合物・太陽電池研究会」年末講演会",,"応用物理学会「多元系化合物・太陽電池研究会」",,,,2015,Dec. "Homare Hiroi,Yasuaki Iwata,Kyouhei Horiguchi,Noriyuki Sakai,Hiroki Sugimoto","15.2% efficiency on pure-sulfide CuInGaS2 solar cell","25th International Photovoltaic Science and Engineering Conference (PVSEC-25) / Global Photovoltaic Conference (GPVC), Nov. 2015.",,"Korea Photovoltaic Society",,,,2015,Nov. "Homare Hiroi,Yasuaki Iwata,Kyouhei Horiguchi,Hiroki Sugimoto","960-mV Open-Circuit Voltage Chalcopyrite Solar Cell",,"IEEE Journal of Photovoltaics","IEEE","Volume 6",,"Page 309 - 312",2015,Oct. "Homare Hiroi,Yasuaki Iwata,Shunsuke Adachi,Hiroki Sugimoto","High Open Circuit Voltage Pure Sulfide CuInGaS2 Submodule","31st European Photovoltaic Solar Energy Conference and Exhibition, Sep. 2015.",,"WIP",,,,2015,Sept. "Homare Hiroi,Yasuaki Iwata,Noriyuki Sakai,Takuya Kato,Hiroki Sugimoto","Impact of buffer layer on kesterite solar cells","42nd IEEE Photovoltaic Specialist Conference (PVSC), Jun. 2015.",,"IEEE",,,,2015,June "Homare Hiroi,Yasuaki Iwata,Kyouhei Horiguchi,Shunsuke Adachi,Noriyuki Sakai,Hiroki Sugimoto","960mV open circuit voltage chalcopyrite solar cell","42nd IEEE Photovoltaic Specialist Conference (PVSC), Jun. 2015.",,"IEEE",,,,2015,June "Jeehwan Kim,Homare Hiroi,Teodor K. Todorov,Oki Gunanwan,Masaru Kuwahara,Tayfun Gokmen,Dhruv Nair,Marinus Hopstaken,Byungha Shin,Hiroki Sugimoto,David B. Mitzi","High Efficiency Cu2ZnSn(S,Se)4 Solar Cells by Applying a Double In2S3/CdS Emitter",,"ADVANCED MATERIALS",,"Volume 26",,"Page 7427-7431",2014,Nov. "Homare Hiroi,Jeehwan Kim,Oki Gunawan,Tayfun Gokmen,Masaru Kuwahara,Teodor K. Todorov,Dhruv Nair,Marinus Hopstaken,Yu Zhu,David B. Mitzi,Hiroki Sugimoto","Enhancement of Carrier Collection in Cu2ZnSn(SeS)4 Solar Cell With Hybrid Buffer Layer","29th European Photovoltaic Solar Energy Conference and Exhibition, Sep. 2014.",,"WIP",,,,2014,Sept. "Homare Hiroi,Jeehwan Kim,Masaru Kuwahara,Teodor K. Todorov,Dhruv Nair,Marinus Hopstaken,Yu Zhu,Oki Gunawan,David B. Mitzi,Hiroki Sugimoto","Over 12% efficiency Cu2ZnSn(SeS)4 solar cell via hybrid buffer layer","40th IEEE Photovoltaic Specialist Conference (PVSC), Jun. 2014.",,"IEEE",,,,2014,June "Richard Haight,D. Aaron R. Barkhouse,Wei Wang,Yu Luo,Xiaoyan Shao,David B. Mitzi,Homare Hiroi,Hiroki Sugimoto","CdS and Cd-Free Buffer Layers on Solution Phase Grown Cu2ZnSn(SxSe1- x)4 :Band Alignments and Electronic Structure Determined with Femtosecond Ultraviolet Photoelectron Spectroscopy","2013 MRS Fall Meeting","MRS Proceedings","Materials Reseaech Society","Volume 1638",,,2014,Jan. "Homare Hiroi,Jeehwan Kim,Teodor K. Todorov,Masaru Kuwahara,Yu Luo,Tayfun Gokmen,Xiaoyan (Ingrid) Shao,Richard Haight,Wei Wang,Mark T. Winkler,David B. Mitzi,Hiroki Sugimoto","Open Circuit Voltage Improvement on Solution-based Cu2ZnSn(SeS)4 Solar Cells by Hybrid Buffer Layer","23rd International Photovoltaic Science and Engineering Conference (PVSC-23), Nov. 2013.",,,,,,2013,Nov. "Takuya Kato,Homare Hiroi,Noriyuki Sakai,Hiroki Sugimoto","Buffer/Absorber interface study on Cu2ZnSnS4 and Cu2ZnSnSe4 Based Solar Cells: Band Alignment and Its Impact on The Solar Cell Performance","28th European Photovoltaic Solar Energy Conference and Exhibition, Sep. 2013.",,"WIP",,,,2013,Sept. "Homare Hiroi,Noriyuki Sakai,Takuya Kato,Hiroki Sugimoto","High voltage Cu2ZnSnS4 submodules by hybrid buffer layer","39th IEEE Photovoltaic Specialists Conference (PVSC), Jun. 2013.",,"IEEE",,,,2013,June "Takuya kato,Homare Hiroi,Noriyuki Sakai,Satoshi Muraoka,Hiroki Sugimoto","Characterization of Front and Back Interfaces on Cu2ZnSnS4 Thin-Film Solar Cells","27th European Photovoltaic Solar Energy Conference and Exhibition, Sep. 2012.",,"WIP",,,,2012,Sept. "Homare Hiroi,Noriyuki Sakai,Satoshi Muraoka,Takuya Kato,Hiroki Sugimoto","Development of high efficiency Cu2ZnSnS4 submodule with Cd-free buffer layer","38th IEEE Photovoltaic Specialists Conference (PVSC), Jun. 2012.",,"IEEE",,,,2012,June "Hiroki Sugimoto,Homare Hiroi,Noriyuki Sakai,Satoshi Muraoka,Takuya Kato","Over 8% efficiency Cu2ZnSnS4 submodules with ultra-thin absorber","38th IEEE Photovoltaic Specialists Conference (PVSC), Jun. 2012.",,"IEEE",,,,2012,June "D. Aaron R. Barkhouse,Richard Haight,Noriyuki Sakai,Homare Hiroi,Hiroki Sugimoto,David B. Mitzi","Cd-free buffer layer materials on Cu2ZnSn(SxSe1−x)4: Band alignments with ZnO, ZnS, and In2S3",,"Applied Physics Letters","American Institute of Physics","Volume 100",,,2012,May "Homare Hiroi,Noriyuki Sakai,Hiroki Sugimoto","Development of High Efficiency Cu2ZnSnS4 Solar Cells and Modules","26th European Photovoltaic Solar Energy Conference and Exhibition",,"WIP",,,,2011,Sept. "Homare Hiroi,Noriyuki Sakai,Hiroki Sugimoto","Cd-free 5x5cm2-sized Cu2ZnSnS4 submodules","37th IEEE Photovoltaic Specialists Conference (PVSC), Jun. 2011.",,"IEEE",,,,2011,June "Noriyuki Sakai,Homare Hiroi,Hiroki Sugimoto","Development of Cd-free buffer layer for Cu2ZnSnS4 thin-film solar cells","37th IEEE Photovoltaic Specialists Conference (PVSC), Jun. 2011.",,"IEEE",,,,2011,June "杉原拓実,酒井洋輔,廣井誉,田中雅慶,河合良信","微結晶シリコン薄膜用高圧・狭ギャップVHFプラズマ特性","第27回プラズマ・核融合学会年会",,"プラズマ・核融合学会",,,,2010,Dec. "杉原拓実,廣井誉,田中雅慶,河合良信","微結晶シリコン製膜用高圧狭ギャップVHFプラズマ特性","第71回応用物理学会学術講演会",,"応用物理学会",,,,2010,Sept. "廣井誉,杉原拓実,田中雅慶","微結晶太陽電池用高圧・狭ギャップVHFプラズマにおけるイオン流れ計測","第26回プラズマ・核融合学会年会",,"プラズマ・核融合学会",,,,2009,Dec.