4.8 Article

Instability Issues and Stabilization Strategies of Lead Halide Perovskites for Photo(electro)catalytic Solar Fuel Production

期刊

JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 13, 期 7, 页码 1806-1824

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.1c04017

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资金

  1. National Key Research and Development Program of China [2021YFF0501900]
  2. National Program for Support of Top-notch Young Professionals
  3. Youth Innovation Team of Shaanxi Universities

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This article discusses the instability issues of lead halide perovskites (LHPs) in photo(electro)catalytic solar fuel production and summarizes the strategies used to stabilize LHPs. The strategies for particulate photocatalytic systems and thin-film PEC systems are introduced, and the challenges and opportunities for developing stable and efficient LHPs for photo(electro)catalysis are proposed.
Photo(electro)catalysis is a promising route to utilizing solar energy to produce valuable chemical fuels. In recent years, lead halide perovskites (LHPs) as a class of high-performance semiconductor materials have been extensively used in photo(electro)catalytic solar fuel production because of their excellent photophysical properties. However, instability issues make it arduous for LHPs to achieve their full potential in photo(electro)catalysis. This Perspective discusses the instability issues and summarizes the stabilization strategies employed for prolonging the stability or durability of LHPs in photo(electro)catalytic solar fuel production. The strategies for particulate photocatalytic systems (including composition engineering, surface passivation, core- shell structures construction, and solvent selection) and for thin-film PEC systems (including physical protective coating, A site cation additive, and surface/interface passivation) are introduced. Finally, some challenges and opportunities regarding the development of stable and efficient LHPs for photo(electro)catalysis are proposed.

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