Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Hironori Komaki"'
Autor:
Shinya Sugiyama, Hironori Komaki, Takeshi Maki, Masanobu Izaki, Hajime Shibata, Tetsuhito Okamoto, Yuya Kusano, Shigeru Niki
Publikováno v:
Progress in Photovoltaics: Research and Applications. 24:397-404
The effects of the immersion into a NH3 aqueous solution on the structural characteristics of the chemically deposited Zn(S,O,OH) layer and photovoltaic performance of the CIGS/Zn(S,O,OH) solar cells were investigated with structural and electrical c
Autor:
Shigeru Niki, Hajime Shibata, Kikuo Makita, Hironori Komaki, Hitoshi Tampo, Shogo Ishizuka, Akimasa Yamada, Koji Matsubara, S. Furue
Publikováno v:
Thin Solid Films. 551:27-31
The relationship between the composition and conversion efficiency of Cu 2 ZnSnSe 4 (CZTSe)-based solar cells was investigated. CZTSe films were grown by thermal deposition using a coevaporation method. It was found that the composition of CZTSe and
Autor:
Akimasa Yamada, Hajime Shibata, Shogo Ishizuka, Koji Matsubara, Hironori Komaki, S. Furue, Shigeru Niki, Yukiko Kamikawa
Publikováno v:
MRS Proceedings. 1538:61-66
CIGS solar cells were fabricated on a hybrid back contact comprised of a TCO layer (ZnO:Ga (GZO)) and Mo layers. It was discovered that an additional Mo layer introduced underneath the TCO layer promotes sodium diffusion through the TCO back contact
Autor:
Shigeru Niki, Ryuji Oshima, Koji Matsubara, Hajime Shibata, Hironori Komaki, Hidenori Mizuno, Takeyoshi Sugaya, Kikuo Makita
Publikováno v:
MRS Proceedings. 1538:167-171
This paper shows a new semiconductor bonding technology for mechanically stacked multi-junction solar cells. Our strategy is the combination of conductive nanoparticle alignments and the van der Waals bonding technique. With this method, reasonably l
Autor:
Hajime Shibata, Shogo Ishizuka, Akimasa Yamada, S. Furue, Koji Matsubara, Shigeru Niki, Hironori Komaki
Publikováno v:
Progress in Photovoltaics: Research and Applications. 20:595-599
The approaches and achievements in the development of high-efficiency CuInGaSe2 (CIGS) monolithically integrated submodules will be reported. Two types of techniques, the conventional (batch-process) and the in-line three-stage evaporation techniques
Autor:
S. Niki, S. Furue, Koiji Matsubara, Takeyoshi Sugaya, Osamu Numakami, Takeru Amano, Yoshinobu Okano, Hironori Komaki
Publikováno v:
Solar Energy Materials and Solar Cells. 95:2920-2923
We report the tunnel current through a miniband in In 0.4 Ga 0.6 As quantum dot (QD) superlattice solar cells fabricated using molecular beam epitaxy. High-quality and well-aligned In 0.4 Ga 0.6 As QD superlattice structures with an interdot spacing
Autor:
Takashi Yoshiyama, Akimasa Yamada, Shigeru Niki, Shogo Ishizuka, Hironori Komaki, K. Mizukoshi
Publikováno v:
Journal of the Vacuum Society of Japan. 53:25-29
Autor:
Koiji Matsubara, S. Niki, Shogo Ishizuka, Akimasa Yamada, Hironori Komaki, Yukiko Kamikawa-Shimizu, Kazuo Sakurai, Hajime Shibata
Publikováno v:
physica status solidi (a). 206:1072-1075
We have successfully fabricated high-efficiency CuInGaSe 2 (CIGS) solar cells with CdS film deposited by ammonia-free process. The CdS films were formed on CIGS films by chemical bath deposition from an aqueous solution containing cadmium acetate and
Autor:
Shigeru Niki, Koji Matsubara, Shuuhei Shimada, Hajime Shibata, Hitoshi Tampo, Yukiko Kamikawa-Shimizu, Shogo Ishizuka, Keiichiro Sakurai, Hironori Komaki, Akimasa Yamada, Keigou Maejima, Manabu Watanabe
Publikováno v:
physica status solidi (a). 206:1063-1066
Effects of Mo back contact thickness on the photovoltaic properties of CIGS solar cells were investigated. When the Mo was thin, an increase in series resistance and leakage current adversely affected the FF (fill factor) in solar cells fabricated us
Autor:
Kenshi Sakai, Tetsuo Ikari, Kentaro Onabe, Ryuji Katayama, Hironori Komaki, Atsuhiko Fukuyama, T. Shimohara
Publikováno v:
physica status solidi c. 5:499-502
In this study, non-radiative recombination center in InGaN films with varying III/N ratio grown by rf-molecular beam epitaxy was investigated directly by piezoelectric photothermal spectroscopy (PPTS). To clarify the influence of the III/N supply rat