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Article Abstract
Metal halide perovskites (MHPs) with striking electrical and optical properties have appeared at the forefront of semiconductor materials for photocatalytic redox reactions but still suffer from some intrinsic drawbacks such as inferior stability, severe charge-carrier recombination, and limited active sites. Heterojunctions have recently been widely constructed to improve light absorption, passivate surface for enhanced stability, and promote charge-carrier dynamics of MHPs. However, little attention has been paid to the review of MHPs-based heterojunctions for photocatalytic redox reactions. Here, recent advances of MHPs-based heterojunctions for photocatalytic redox reactions are highlighted. The structure, synthesis, and photophysical properties of MHPs-based heterojunctions are first introduced, including basic principles, categories (such as Schottky junction, type-I, type-II, Z-scheme, and S-scheme junction), and synthesis strategies. MHPs-based heterojunctions for photocatalytic redox reactions are then reviewed in four categories: H evolution, CO reduction, pollutant degradation, and organic synthesis. The challenges and prospects in solar-light-driven redox reactions with MHPs-based heterojunctions in the future are finally discussed.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12401842 | PMC |
| http://dx.doi.org/10.1007/s40820-025-01886-y | DOI Listing |
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