Journal
SOLAR ENERGY
Volume 131, Issue -, Pages 176-182Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2016.02.049
Keywords
Perovskite; Solar cell; Graphene oxide; Interlayer; Electron blocking
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Funding
- 973 Program of China [2014CB643506, 2013CB922104]
- Director Fund of the Wuhan National Laboratory for Optoelectronics
- Wuhan National High Magnetic Field Center [PHMFF2015018]
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This work reports on graphene oxide (GO) and poly(3,4-ethylenedioxy thiophene) poly(styrenesulfonate) (PEDOT:PSS) hybrid bilayer as hole extracting layer for CH3NH3PbI3-based inverted planar heterojunction perovskite solar cells. Remarkably, the incorporation of GO could suppress leakage current and reduce recombination via efficient hole transporting and electron blocking, resulting in 30% improvement of power conversion efficiency. (C) 2016 Elsevier Ltd. All rights reserved.
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