期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 11, 页码 3456-3460出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201812225
关键词
decarboxylation; hydrophobic perovskites; photocatalysis; photooxidation; two-dimensional materials
资金
- MOE Tier1 grants [RG 12/16, RG 13/17]
- A*STAR AME IRG grant [A1783c0002]
- MOE [RG 173/16, MOE2015-T2-2-015, MOE2016-T2-1-034]
- Singapore NRF through the Competitive Research Programme [NRF-CRP14-2014-03]
- NRF Investigatorship Programme [NRF-NRFI-2018-04]
Two-dimensional lead and tin halide perovskites were prepared by intercalating the long alkyl group 1-hexadecylammonium (HDA) between the inorganic layers. We observed visible-light absorption, narrow-band photoluminescence, and nanosecond photoexcited lifetimes in these perovskites. Owing to their hydrophobicity and stability even in humid air, we applied these perovskites in the decarboxylation and dehydrogenation of indoline-2-carboxylic acids. (HDA)(2)PbI4 or (HDA)(2)SnI4 were investigated as photoredox catalysts for these reactions, and quantitative conversion and high yields were observed with the former.
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