Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 141, Issue 2, Pages 733-738Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b08720
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Funding
- NSF under Chemical Catalysis program [1764142, 1851747]
- Office of Science, Office of Basic Energy Sciences within the U.S. Department of Energy
- National Renewable Energy Laboratory [DE-AC36-08G028308]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1764142] Funding Source: National Science Foundation
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1851747] Funding Source: National Science Foundation
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Cost-effective and efficient photocatalysis are highly desirable in chemical synthesis. Here we demonstrate that readily prepared suspensions of APbBr(3) (A = Cs or methylammonium (MA)) type perovskite colloids (ca. 2-100 nm) can selectively photocatalyze carbon-carbon bond formation reactions, i.e., alpha-alkylations. Specifically, we demonstrate alpha-alkylation of aldehydes with a turnover number (TON) of over 52,000 under visible light illumination. Hybrid organic/inorganic perovskites are revolutionizing photovoltaic research and are now impacting other research fields, but their exploration in organic synthesis is rare. Our low-cost, easy-to-process, highly efficient and bandedge-tunable perovskite photocatalyst is expected to bring new insights in chemical synthesis.
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