Issue 24, 2023

Halide perovskite quantum dots for photocatalytic CO2 reduction

Abstract

Halide perovskite quantum dots have recently attracted increasing research interest in photocatalytic CO2 reduction due to their high light absorption coefficient, tunable bandgap, and long charge diffusion length. However, the intrinsic high radiative recombination and instability of perovskite quantum dots limit the development of perovskite-based photocatalysis, which is under investigation by different research groups. This review is focused on the current progress and challenges of halide perovskite quantum dots for photocatalytic CO2 reduction. The structures and properties of perovskite quantum dots as well as the mechanism and obstacles for photocatalytic CO2 reduction are first summarized in detail. Subsequently, composition optimization, surface modification, and heterojunction construction of perovskite-based photocatalysts are introduced to enhance photogenerated carrier separation and photocatalytic CO2 activity. Finally, we discuss the challenges and opportunities of perovskite quantum dots for photocatalytic CO2 reduction and further propose several prospective directions for future research.

Graphical abstract: Halide perovskite quantum dots for photocatalytic CO2 reduction

Article information

Article type
Review Article
Submitted
07 Dec. 2022
Accepted
07 Febr. 2023
First published
16 Febr. 2023

J. Mater. Chem. A, 2023,11, 12482-12498

Halide perovskite quantum dots for photocatalytic CO2 reduction

W. Song, G. Qi and B. Liu, J. Mater. Chem. A, 2023, 11, 12482 DOI: 10.1039/D2TA09521A

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