Incorporation of Cesium Lead Halide Perovskites into g-CN for Photocatalytic CO Reduction.

ACS Omega

Department of Chemistry, Faculty of Science, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium.

Published: September 2020

CsPbBr perovskite-based composites so far have been synthesized by postdeposition of CsPbBr on a parent material. However, construction offers enhanced surface contact, better activity, and improved stability. Instead of applying a typical thermal condensation at highly elevated temperatures, we report for the first time CsPb(Br Cl )/graphitic-CN (CsPbX/g-CN) composites synthesized by a simple and mild solvothermal route, with enhanced efficacy in visible-light-driven photocatalytic CO reduction. The composite exhibited a CO production rate of 28.5 μmol g h at an optimized loading amount of g-CN. This rate is about five times those of pure g-CN and CsPbBr. This work reports a new approach for constructing perovskite-based heterostructure photocatalysts with enhanced light-harvesting ability and improved solar energy conversion efficiency.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7528323PMC
http://dx.doi.org/10.1021/acsomega.0c02960DOI Listing

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