Journal
ACS OMEGA
Volume 5, Issue 38, Pages 24495-24503Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.0c02960
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Funding
- Research Foundation.Flanders (FWO) [12O3719N, G098319N, ZW15_09-GOH6316]
- European Union [722591]
- KU Leuven Research Fund [C14/15/053, C14/19/079]
- Flemish government through long term structural funding Methusalem (CASAS2) [Meth/15/04]
- Marie Curie Actions (MSCA) [722591] Funding Source: Marie Curie Actions (MSCA)
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CsPbBr3 perovskite-based composites so far have been synthesized by postdeposition of CsPbBr3 on a parent material. However, in situ 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(BrxCl1-x)(3)/graphitic-C3N4 (CsPbX3/g-C3N4) composites synthesized by a simple and mild solvothermal route, with enhanced efficacy in visible-light-driven photocatalytic CO2 reduction. The composite exhibited a CO production rate of 28.5 mu mol g(-1) h(-1) at an optimized loading amount of g-C3N4. This rate is about five times those of pure g-C3N4 and CsPbBr3. This work reports a new in situ approach for constructing perovskite-based heterostructure photocatalysts with enhanced light-harvesting ability and improved solar energy conversion efficiency.
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