Takuya Kato
Takuya Kato
Idemitsu Kosan Co., Ltd. (Solar Frontier)
Email verificata su idemitsu.com
Titolo
Citata da
Citata da
Anno
Cd-Free Cu(In,Ga)(Se,S)2 Thin-Film Solar Cell With Record Efficiency of 23.35%
M Nakamura, K Yamaguchi, Y Kimoto, Y Yasaki, T Kato, H Sugimoto
IEEE Journal of Photovoltaics 9 (6), 1863-1867, 2019
2312019
New world record Cu(In, Ga)(Se, S)2thin film solar cell efficiency beyond 22%
R Kamada, T Yagioka, S Adachi, A Handa, KF Tai, T Kato, H Sugimoto
2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC), 1287-1291, 2016
1682016
Record Efficiency for Thin-Film Polycrystalline Solar Cells Up to 22.9% Achieved by Cs-Treated Cu(In,Ga)(Se,S)2
T Kato, JL Wu, Y Hirai, H Sugimoto, V Bermudez
IEEE Journal of Photovoltaics 9 (1), 325-330, 2018
1492018
High-performance perovskite/Cu (In, Ga) Se2 monolithic tandem solar cells
Q Han, YT Hsieh, L Meng, JL Wu, P Sun, EP Yao, SY Chang, SH Bae, ...
Science 361 (6405), 904-908, 2018
1472018
Cu (In, Ga)(Se, S) 2 solar cell research in Solar Frontier: Progress and current status
T Kato
Japanese Journal of Applied Physics 56 (4S), 04CA02, 2017
1232017
Characterization of front and back interfaces on Cu2ZnSnS4 thin-film solar cells
T Kato, H Hiroi, N Sakai, S Muraoka, H Sugimoto
27th European photovoltaic solar energy conference and exhibition, 2236, 2012
972012
Local density of states and superconducting gap in the iron chalcogenide superconductor Fe 1+ δ Se 1− x Te x observed by scanning tunneling spectroscopy
T Kato, Y Mizuguchi, H Nakamura, T Machida, H Sakata, Y Takano
Physical Review B 80 (18), 180507, 2009
892009
High voltage Cu2ZnSnS4 submodules by hybrid buffer layer
H Hiroi, N Sakai, T Kato, H Sugimoto
2013 IEEE 39th Photovoltaic Specialists Conference (PVSC), 0863-0866, 2013
792013
Enhanced efficiency of Cd-free Cu (In, Ga)(Se, S) 2 minimodule via (Zn, Mg) O second buffer layer and alkali metal post-treatment
T Kato, A Handa, T Yagioka, T Matsuura, K Yamamoto, S Higashi, JL Wu, ...
IEEE Journal of Photovoltaics 7 (6), 1773-1780, 2017
732017
From 20.9 to 22.3% Cu (In, Ga)(S, Se) 2 solar cell: reduced recombination rate at the heterojunction and the depletion region due to K-treatment
KF Tai, R Kamada, T Yagioka, T Kato, H Sugimoto
Japanese Journal of Applied Physics 56 (8S2), 08MC03, 2017
492017
Inhomogeneous electronic states of probed by scanning tunneling spectroscopy
T Kato, S Okitsu, H Sakata
Physical Review B 72 (14), 144518, 2005
492005
Impacts of surface sulfurization on Cu(In1−x,Gax)Se2 thin‐film solar cells
T Kobayashi, H Yamaguchi, Z Jehl Li Kao, H Sugimoto, T Kato, H Hakuma, ...
Progress in Photovoltaics: Research and Applications 23 (10), 1367-1374, 2015
422015
A comparative study of Cd‐ and Zn‐compound buffer layers on Cu(In1−x,Gax)(Sy,Se1−y)2 thin film solar cells
T Kobayashi, Z Jehl Li Kao, T Kato, H Sugimoto, T Nakada
Progress in Photovoltaics: Research and Applications 24 (3), 389-396, 2016
392016
Doping Dependence of Two Energy Scales in the Tunneling Spectra of Superconducting La2-x Sr x CuO4
T Kato, T Maruyama, S Okitsu, H Sakata
Journal of the Physical Society of Japan 77 (5), 054710, 2008
382008
Recent R&D progress in solar frontier's small-sized Cu(InGa)(SeS)2 solar cells
M Nakamura, N Yoneyama, K Horiguchi, Y Iwata, K Yamaguchi, ...
2014 IEEE 40th Photovoltaic Specialist Conference (PVSC), 0107-0110, 2014
372014
Lifetime improvement for high efficiency Cu2ZnSnS4 submodules
H Sugimoto, C Liao, H Hiroi, N Sakai, T Kato
2013 IEEE 39th Photovoltaic Specialists Conference (PVSC), 3208-3211, 2013
352013
Impact of annealing treatment before buffer layer deposition on Cu2ZnSn (S, Se) 4 solar cells
D Hironiwa, N Sakai, T Kato, H Sugimoto, Z Tang, J Chantana, ...
Thin Solid Films 582, 151-153, 2015
332015
Sputtered (Zn, Mg) O buffer layer for band offset control in Cu2ZnSn (S, Se) 4 solar cells
D Hironiwa, N Matsuo, N Sakai, T Katou, H Sugimoto, J Chantana, Z Tang, ...
Japanese Journal of Applied Physics 53 (10), 106502, 2014
332014
Characterization of electronic structure of Cu2ZnSn (SxSe1− x) 4 absorber layer and CdS/Cu2ZnSn (SxSe1− x) 4 interfaces by in-situ photoemission and inverse photoemission …
N Terada, S Yoshimoto, K Chochi, T Fukuyama, M Mitsunaga, H Tampo, ...
Thin Solid Films 582, 166-170, 2015
322015
New world record efficiency up to 22.9% for Cu (In, Ga)(Se, S) 2 thin-film solar cells
JL Wu, Y Hirai, T Kato, H Sugimoto, V Bermudez
7th World Conference on Photovoltaic Energy Conversion (WCPEC-7), Waikoloa …, 2018
302018
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