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Black Phosphorus Based Photocathodes in Wideband Bifacial Dye‐Sensitized Solar Cells
Author(s) -
Yang Ying,
Gao Jing,
Zhang Zheng,
Xiao Si,
Xie HanHan,
Sun ZhengBo,
Wang JiaHong,
Zhou CongHua,
Wang YingWei,
Guo XueYi,
Chu Paul K.,
Yu XueFeng
Publication year - 2016
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201602382
Subject(s) - black phosphorus , materials science , optoelectronics , absorption (acoustics) , photovoltaics , photocathode , wideband , solar cell , electron , optics , photovoltaic system , composite material , physics , quantum mechanics , ecology , biology
Ultrasmall black phosphorus quantum dots (BPQDs) serve as the near‐infrared light absorber and charge transfer layer in the photocathode of a bifacial n‐type dye sensitized solar cell. Wideband light absorption and ≈20% enhancement in the light‐to‐electron efficiency are accomplished due to the fast carrier transfer and complementary light absorption by the BPQDs demonstrating that BP has large potential in photovoltaics.