期刊
APPLIED PHYSICS LETTERS
卷 106, 期 14, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4917238
关键词
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资金
- King Abdullah University of Science and Technology (KAUST) [KUS-11-009-21]
- Ontario Research Fund Research Excellence Program
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- National Research Foundation of Korea - Korean Government [2014R1A2A1A09005656]
- National Research Foundation of Korea [2014R1A2A1A09005656] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A simple two-step method was used to produce efficient planar organolead halide perovskite solar cells. Films produced using solely iodine containing precursors resulted in poor morphology and failed devices, whereas addition of chlorine to the process greatly improved morphology and resulted in dense, uniform perovskite films. This process was used to produce perovskite solar cells with a fullerene-based passivation layer. The hysteresis effect, to which planar perovskite devices are otherwise prone, was greatly suppressed through the use of this interface modifier. The combined techniques resulted in perovskite solar cells having a stable efficiency exceeding 11%. This straightforward fabrication procedure holds promise in development of various optoelectronic applications of planar perovskite films. (C) 2015 AIP Publishing LLC.
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