期刊
SCIENCE BULLETIN
卷 61, 期 20, 页码 1558-1562出版社
ELSEVIER SCIENCE BV
DOI: 10.1007/s11434-016-1147-2
关键词
Metal halide perovskite; Mixed metal cations; Solar cells; Film engineering; Solvent engineering
An efficient panchromatic planar perovskite solar cell is developed based on highly uniform, lead-reduced CH3NH3Sn0.5Pb0.5I3 perovskite films with full film-coverage on the substrates. We demonstrate here that full-coverage of the CH3NH3Sn0.5Pb0.5I3 films can be developed by a facile chlorobenzene-assisted spin-coating method. A power conversion efficiency of similar to 7 % is achieved using low-temperature processes, which is among the best-reported performance for panchromatic planar perovskite solar cells with a light-absorption over 1,000 nm.
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