Cu-doped CdZnS nanocrystals: a leap forward in selective photocatalytic CO2 reduction to methane

Abstract

Our research has demonstrated a significant correlation between the Cu doping concentration in CdZnS and its photocatalytic performance, with CZS-2 exhibiting a 15-fold increase in methane (CH4) production rate compared to pristine CZS, reaching a peak value of 519.2 μL g−1 h−1. Moreover, CZS-2 demonstrates an unprecedented CH4 selectivity of 85.3%, surpassing previously reported values for analogous systems. In-depth electrochemical analysis reveals that Cu doping strategically modifies the electronic structure of CZS-x, facilitating efficient charge separation and transfer. This optimization minimizes charge recombination, leading to the selective promotion of CO2 reduction to CH4.

Graphical abstract: Cu-doped CdZnS nanocrystals: a leap forward in selective photocatalytic CO2 reduction to methane

Supplementary files

Article information

Article type
Communication
Submitted
20 Aug 2024
Accepted
30 Sep 2024
First published
01 Oct 2024

Chem. Commun., 2024, Advance Article

Cu-doped CdZnS nanocrystals: a leap forward in selective photocatalytic CO2 reduction to methane

J. Li, Z. Luo, T. Zhou, H. Huang, X. She and H. Tang, Chem. Commun., 2024, Advance Article , DOI: 10.1039/D4CC04244A

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