Issue 43, 2022

Metal-doping of halide perovskite nanocrystals for energy and environmental photocatalysis: challenges and prospects

Abstract

Halide perovskite nanocrystals (HPNCs) have recently become potential photocatalytic materials due to their perfect structure and unique photoelectric properties. However, structural instability, low photogenerated charge separation efficiency, and band gap mismatch greatly hinder their practical application. The emergence of the metal doping strategy can alter the instability, high carrier recombination rate, and lack of active sites of HPNCs, making their structure approach perfect and more suitable for photocatalytic applications. In this review, we systematically summarize the characteristics of HPNCs in photocatalytic applications and the modulations of metal doping on the HPNC structure, band gap, and other properties closely related to photocatalysis. Furthermore, we envisaged a series of specific metal-doped HPNCs based on excellent metals in photocatalysis. Finally, we also discussed the difficulties and remaining challenges of metal-doped HPNCs in developing photocatalysis. We believe that applying metal-doped HPNCs in the exciting scientific field of photocatalysis will flourish and thrive.

Graphical abstract: Metal-doping of halide perovskite nanocrystals for energy and environmental photocatalysis: challenges and prospects

Article information

Article type
Review Article
Submitted
30 août 2022
Accepted
28 sept. 2022
First published
29 sept. 2022

J. Mater. Chem. A, 2022,10, 22915-22928

Metal-doping of halide perovskite nanocrystals for energy and environmental photocatalysis: challenges and prospects

F. Zhong, Y. He, Y. Sun, F. Dong and J. Sheng, J. Mater. Chem. A, 2022, 10, 22915 DOI: 10.1039/D2TA06851F

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