学術雑誌論文 Open-circuit Voltage Loss in CH[3]NH[3]SnI[3] Perovskite Solar Cells

Kim, Hyung Do  ,  Miyamoto, Yoshihiro  ,  Kubota, Hirofumi  ,  Yamanari, Toshihiko  ,  Ohkita, Hideo

46 ( 2 )  , pp.253 - 256 , 2017-02 , Chemical Society of Japan
ISSN:0366-7022
内容記述
Organic-¬inorganic perovskite solar cells based on tin halides exhibit a small open-circuit voltage (V[OC]) because of a large photon energy loss from band-gap energy, as large as 0.8¬1.0 eV. In this study, we discussed the origin of the V[OC] loss in CH[3]NH[3]SnI3-based devices by measuring the temperature dependence of V[OC]. As a result, we found that the large loss in V[OC] is mainly due to the surface recombination at the interface rather than the bulk recombination in the perovskites.
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http://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/217961/1/cl.160994.pdf

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