"Takahito Nishimura,Jakapan Chantana,Yu Kawano,Akira Yamada,Yoshinori Kimoto,Takuya Kato,Hiroki Sugimoto,Takashi Minemoto","Interfacial modification mechanism by aging effect for high-performance Cd-free and all-dry process Cu(In,Ga)(S,Se)2 solar cells",,"Applied Physics Letters",,"vol. 117",,"pp. 223501",2020,Nov.
"Jakapan Chantana,Takahito Nishimura,Yu Kawano,Naoki Suyama,Akira Yamada,Yoshinori Kimoto,Takuya Kato,Hiroki Sugimoto,Takashi Minemoto","Aging effect of a Cu(In,Ga)(S,Se)2 absorber on the photovoltaic performance of its Cd-free solar cell fabricated by an all-dry process: its carrier recombination analysis",,"Advanced Energy Materials",,,,"  1902869",2019,Oct.
"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
"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.
"œAˆδ—_,Šβ“c ‹±²,™–{ L‹I,ŽR“c –Ύ","ƒZƒŒƒ“ƒtƒŠ[Cu(In,Ga)S2”––Œ‘Ύ—z“d’r‚Μ•ΟŠ·Œψ—¦‰ό‘P","‘ζ77‰ρ‰ž—p•¨—Šw‰οH‹GŠwpu‰‰‰ο",,,,,,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.
"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 gRolloverh Effect","EU PVSEC 2016",,,,,,2016,June
"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.
"Kento Furuta,Motoki Watanabe,Noriyuki Sakai,Takuya Kato,Hiroki Sugimoto,Akira Yamada","Evaluation of thiourea treated Cu2ZnSn(S,Se)4 solar cells","25th International Photovoltaic Science & Engineering Conference",,,,,,2015,Nov.
"ŒΓ“cŒ’l,“n•ΣŠξ,Žπˆδ‹Is,‰Α“‘‘ρ–η,™–{L‹I,ŽR“c–Ύ","Cu2ZnSn(S,Se)4”––Œ‘Ύ—z“d’r‚ΜŒυ‹zŽϋ‘w‚Φ‚Μ•\–ʏˆ—‚Μ•]‰Ώ","‘ζ76‰ρ‰ž—p•¨—Šw‰οH‹GŠwpu‰‰‰ο",,,,,,2015,Sept.
"Kento Furuta,Noriyuki Sakai,Takuya Kato,Hiroki Sugimoto,Yasuyoshi Kurokawa,Akira Yamada","Improvement of Cu2ZnSn(S,Se)4 Solar cells efficiency by Surface treatment",,"Physica Status Solidi (c)",,"Vol. 12","No. 6","pp. 704-707",2015,Apr.
"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.