期刊
CHEMISTRY OF MATERIALS
卷 27, 期 16, 页码 5570-5576出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.5b02378
关键词
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资金
- Laboratory Directed Research and Development (LDRD) program under Department of Energy (DOE)
- Basic Energy Science (BES), Biomaterials program, Materials Sciences and Engineering Division
- Los Alamos Director Funded Postdoctoral Fellowship
We report solid iodine as a precursor additive for achieving purified organometallic perovskite crystals. By adding iodine, we found that the reaction can be pushed toward pure iodine phase rather than the kinetically favored chlorine phase. This approach can be applied in large crystalline perovskite solar cells and improved the average efficiency from 9.83% to 15.58%.
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