Issue 28, 2023

Enhanced hydrogen evolution activity of CsPbBr3 nanocrystals achieved by dimensionality change

Abstract

Dimensionality plays a vital role at the nanoscale in tuning the electronical and photophysical properties and surface features of perovskite nanocrystals. Here, 3D and 1D all-inorganic CsPbBr3 nanocrystals were chosen as model materials to systemically reveal the dimensionality-dependent effect in photocatalytic H2 evolution. In terms of facilitating photoinduced electron–hole pair separation and charge transfer, as well as inducing proton reduction potential with the presence of fewer Br vacancies, 1D CsPbBr3 nanorods gave about a 5-fold improvement for solar H2 evolution.

Graphical abstract: Enhanced hydrogen evolution activity of CsPbBr3 nanocrystals achieved by dimensionality change

Supplementary files

Article information

Article type
Communication
Submitted
09 Dec. 2022
Accepted
06 Marts 2023
First published
07 Marts 2023

Chem. Commun., 2023,59, 4189-4192

Enhanced hydrogen evolution activity of CsPbBr3 nanocrystals achieved by dimensionality change

Q. Guo, J. Zhang, Y. Chen, K. Zhang, L. Guo, Q. Shan, J. Lu, X. Duan and L. Wu, Chem. Commun., 2023, 59, 4189 DOI: 10.1039/D2CC06731E

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