Highly compact and uniform CH3NH3Sn0.5Pb0.5I3 films for efficient panchromatic planar perovskite solar cells

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-ass...

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Veröffentlicht in:	Science bulletin (Beijing) 2016-10, Vol.61 (20), p.1558-1562
Hauptverfasser:	Lyu, Miaoqiang, Zhang, Meng, Cooling, Nathan A., Jiao, Yalong, Wang, Qiong, Yun, Jung-Ho, Vaughan, Ben, Triani, Gerry, Evans, Peter, Zhou, Xiaojing, Feron, Krishna, Du, Aijun, Dastoor, Paul, Wang, Lianzhou
Format:	Artikel
Sprache:	eng
Schlagworte:	cations Solar cells Film Chemistry/Food Science Chlorobenzene Earth Sciences Electromagnetic absorption Energy conversion efficiency Engineering engineering Solvent Film engineering halide Humanities and Social Sciences Lead Letter Life Sciences Low temperature Metal Metal halide perovskite Mixed metal cations multidisciplinary perovskite Mixed Perovskites Photovoltaic cells Physics Science Science (multidisciplinary) Solar cells Solvent engineering Spin coating Temperature effects
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Zusammenfassung:	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 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.
ISSN:	2095-9273 2095-9281
DOI:	10.1007/s11434-016-1147-2