期刊
APPLIED PHYSICS EXPRESS
卷 12, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/1882-0786/ab1fb6
关键词
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资金
- National Natural Science Foundation of China [51673218, 51773045, 61774170, 61875072, U1401244]
- National Key Research and Development Program of China [2017YFA0206600]
- Open Fund of the State Key Laboratory of Integrated Optoelectronics [IOSKL2016KF05]
Replacing fullerene with other organic materials is important for exploring perovskite solar cells (PVSCs) with better diversity and performance. In this study, a passivation/transport bilayer structure is employed in fullerene-free perovskite solar cells. The proposed fullerene-free PVSCs based on MAPbI(3) show power conversion efficiency of up to 19.2%, which is among the best value reported so far. We have demonstrated that, besides employing an efficient electron transport layer, passivating the perovskite surface with silicon phthalocyanine based molecules (SiPc-Py-2) is a key issue to prevent current hysteresis and open-circuit voltage loss. (C) 2019 The Japan Society of Applied Physics
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