Eiko Okamoto
Mitsubishi
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Publication
Featured researches published by Eiko Okamoto.
Optics Express | 2011
Noboru Yamada; Toshikazu Ijiro; Eiko Okamoto; Kentaro Hayashi; Hideki Masuda
We have characterized antireflection (AR) moth-eye films placed on top of crystalline silicon photovoltaic (PV) modules by indoor and outdoor experiments and examined improvements in conversion efficiency. The effects of the ratio of diffuse solar irradiation to total solar irradiation (diffusion index) and incident angle on efficiency have been quantitatively analyzed. Using computer simulations, yearly efficiency improvements under different installation conditions have been projected. We have shown that the use of AR moth-eye films offers the best advantages. Further, vertical tilt angle installation leads to the highest efficiency improvement, whereas spectral matching with the PV modules influences the efficiency improvement.
Archive | 2007
Satoshi c; Hideki c; Takashi c; Katsuhiro Kojima; Eiko Okamoto; Yoshihiro Uozu
Archive | 2012
Tsuyoshi Takihara; Seiichiro Mori; Eiko Okamoto
Archive | 2008
Katsuhiro Kojima; Eiko Okamoto; Yoshihiro Uozu; Seiji Tone; Hideki Masuda; Takashi Yanagishita; Hiroaki Kita; Hisakazu Ito; Kota Shirai; Masayuki Saeki
Archive | 2008
Satoshi Sakuma; Eiko Okamoto; Yoshihiro Uozu
Archive | 2007
Yoshihiro Uozu; Eiko Okamoto; Katsuhiro Kojima; Satoshi Sakuma; Hideki Masuda; Takashi Yanagishita
Archive | 2010
Satoru Ozawa; Tadashi Nakamura; Eiko Okamoto; Katsuhiro Kojima
Archive | 2008
Satoshi Sakuma; Eiko Okamoto; Yoshihiro Uozu
Archive | 2008
Katsuhiro Kojima; Eiko Okamoto; Yoshihiro Uozu; Seiji Tone; Hideki Masuda; Takashi Yanagishita; Hiroaki Kita; Hisakazu Ito; Kota Shirai; Masayuki Saeki
Archive | 2012
Tsuyoshi Takihara; Eiko Okamoto; Go Otani; Yusuke Nakai
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