Journal
ADVANCED ENERGY MATERIALS
Volume 6, Issue 24, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201601353
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Funding
- National Basic Research Program [2011CB933303, 2013CB921904]
- National Natural Science Foundation of China (NSFC) [21321001, 21371012, 11134001]
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In the present work, a Pb-assisted two step method is successfully proposed to fabricate high-quality CH3NH3Sn0.5Pb0.5I3 (MASn(0.5)Pb(0.5)I(3)) perovskite film on the indium tin oxide (ITO) glass/poly(3,4-ethylenedioxythiophene): poly (styrene sulfonate) (PEDOT:PSS) substrate. The film shows regular crystalline grains with a flat and compact morphology as well as full coverage on the planar PEDOT: PSS substrate. Remarkably, corresponding devices ITO/PEDOT: PSS/MASn(0.5)Pb(0.5)I(3)/C-60/2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline/Ag are fabricated with high reproducibility, achieving a high power conversion efficiency of 13.6%, which is, to the best of knowledge, the most efficient solar cell based on Sn-based perovskite.
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