Issue 4, 2023

Interfacial energy band engineered CsPbBr3/NiFe-LDH heterostructure catalysts with tunable visible light driven photocatalytic CO2 reduction capability

Abstract

To alleviate the global warming and energy crisis, it is of great urgency to develop photocatalysts with broad-range light-absorption and efficient carrier transfer for artificial photosynthesis and green chemical production. Herein, brand-new CsPbBr3 nanocrystal coupled NiFe-LDH (CPB/NiFe-LDH) Z-scheme photocatalysts are rationally constructed for efficient photocatalytic CO2 reduction. Due to the unique CPB/NiFe-LDH Z-scheme heterojunction, the photogenerated carrier transfer behaviors can be tailored with reduction active sites regulated to CPB, leading to greatly improved carrier transfer ability and energetic reduction potential compared with pristine NiFe-LDH. By further precisely controlling the CPB/NiFe-LDH ratio, tuneable Z-scheme photocatalytic reduction capability and charge separation efficiency are observed with the optimal CPB/NiFe-LDH-2 photocatalyst achieving an enhanced electron consumption rate of 39.58 μmol g−1 h−1, which is about 2 folds higher than that of pristine NiFe-LDH. This work provides an innovative approach to construct photocatalysts with tunable Z-scheme charge transfer behavior, which can also be applied to other related solar energy conversion applications.

Graphical abstract: Interfacial energy band engineered CsPbBr3/NiFe-LDH heterostructure catalysts with tunable visible light driven photocatalytic CO2 reduction capability

Supplementary files

Article information

Article type
Paper
Submitted
19 Nov 2022
Accepted
22 Dec 2022
First published
22 Dec 2022

Catal. Sci. Technol., 2023,13, 1154-1163

Interfacial energy band engineered CsPbBr3/NiFe-LDH heterostructure catalysts with tunable visible light driven photocatalytic CO2 reduction capability

H. Sun, R. Tang, X. Zhang, S. Zhang, W. Yang, L. Wang, W. Liang, F. Li, R. Zheng and J. Huang, Catal. Sci. Technol., 2023, 13, 1154 DOI: 10.1039/D2CY01982E

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements