Morphology Regulation and Photocatalytic CO2 Reduction of Lead-Free Perovskite Cs3Sb2I9 Microcrystals
ACS Applied Energy Materials2021Vol. 4(6), pp. 5913–5917
Citations Over TimeTop 10% of 2021 papers
Abstract
A huge prospect of lead halide perovskites can be found in the fields of optoelectronics and photocatalysis. However, the main obstacle to their photocatalytic application is their toxicity. To shake off these issues, lead-free Cs3Sb2I9 perovskite microcrystals with different morphologies were synthesized via a simple hot-injection approach. Furthermore, the as-prepared Cs3Sb2I9 microcrystals were utilized for photocatalytic CO2 reduction, achieving a total electron yield of 14.2 μmol g–1 under visible-light irradiation (λ ≥ 420 nm, 300 W Xe lamp) within 3 h. Our work here provides an idea for the application of lead-free perovskites for photocatalytic CO2 reduction.
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