Halide perovskite quantum dots for photocatalytic CO2 reduction,Journal of Materials Chemistry A

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Halide perovskite quantum dots for photocatalytic CO2 reduction
Journal of Materials Chemistry A ( IF 10.7 ) Pub Date : 2023-02-16 , DOI: 10.1039/d2ta09521a
Wentao Song ₁ , Guobin Qi ₁ , Bin Liu ₁

Affiliation

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.

中文翻译：

用于光催化 CO2 还原的卤化物钙钛矿量子点

卤化物钙钛矿量子点由于其高光吸收系数、可调带隙和长电荷扩散长度，最近在光催化 CO _{2还原方面引起了越来越多的研究兴趣。}然而，钙钛矿量子点固有的高辐射复合和不稳定性限制了基于钙钛矿的光催化的发展，不同的研究小组正在研究这一点。_{本综述的重点是卤化物钙钛矿量子点在光催化 CO 2}还原方面的当前进展和挑战。钙钛矿量子点的结构和性质以及光催化CO _{2的机理和障碍}减少是首先详细总结。随后，介绍了钙钛矿基光催化剂的成分优化、表面改性和异质结构建，以增强光生载流子分离和光催化 CO ₂活性。_{最后，我们讨论了钙钛矿量子点用于光催化 CO 2}还原的挑战和机遇，并进一步提出了未来研究的几个前瞻性方向。

更新日期：2023-02-16

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