学術雑誌論文 Increasing conversion efficiency of two-step photon up-conversion solar cell with a voltage booster hetero-interface

Asahi, Shigeo  ,  Kusaki, Kazuki  ,  Harada, Yukihiro  ,  Kita, Takashi

8p.872 , 2018-01-17 , Nature Publishing Group
ISSN:2045232220452322
内容記述
Development of high-efficiency solar cells is one of the attractive challenges in renewable energy technologies. Photon up-conversion can reduce the transmission loss and is one of the promising concepts which improve conversion efficiency. Here we present an analysis of the conversion efficiency, which can be increased by up-conversion in a single-junction solar cell with a hetero-interface that boosts the output voltage. We confirm that an increase in the quasi-Fermi gap and substantial photocurrent generation result in a high conversion efficiency.
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http://www.lib.kobe-u.ac.jp/repository/90004601.pdf

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