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Working Mechanism for Flexible Perovskite Solar Cells with Simplified Architecture.
Xu, Xiaobao; Chen, Qi; Hong, Ziruo; Zhou, Huanping; Liu, Zonghao; Chang, Wei-Hsuan; Sun, Pengyu; Chen, Huajun; De Marco, Nicholas; Wang, Mingkui; Yang, Yang.
  • Xu X; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
  • Chen Q; Wuhan National Laboratory for Optoelectronics, School of Optical, Electronic Information, Huazhong University of Science, Technology , Wuhan, Hubei 430074, People's Republic of China.
  • Hong Z; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
  • Zhou H; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
  • Liu Z; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
  • Chang WH; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
  • Sun P; Wuhan National Laboratory for Optoelectronics, School of Optical, Electronic Information, Huazhong University of Science, Technology , Wuhan, Hubei 430074, People's Republic of China.
  • Chen H; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
  • De Marco N; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
  • Wang M; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
  • Yang Y; Department of Materials Science and Engineering, University of California , Los Angeles, California 90095, United States.
Nano Lett ; 15(10): 6514-20, 2015 Oct 14.
Article en En | MEDLINE | ID: mdl-26389692
ABSTRACT
In this communication, we report an efficient and flexible perovskite solar cell based on formamidinium lead trihalide (FAPbI3) with simplified configuration. The device achieved a champion efficiency of 12.70%, utilizing direct contact between metallic indium tin oxide (ITO) electrode and perovskite absorber. The underlying working mechanism is proposed subsequently, via a systematic investigation focusing on the heterojunction within this device. A significant charge storage has been observed in the perovskite, which is believed to generate photovoltage and serves as the driving force for charge transferring from the absorber to ITO electrode as well. More importantly, this simplified device structure on flexible substrates suggests its compatibility for scale-up fabrication, which paves the way for commercialization of perovskite photovoltaic technology.
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2015 Tipo del documento: Article

Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2015 Tipo del documento: Article