Cu-doped CdZnS nanocrystals: a leap forward in selective photocatalytic CO 2 reduction to methane

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 (CH ) production rate compared to pristine CZS, reaching a peak value of 519.2 μL g h . Moreover, CZS-2 demonst...

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Published in:Chemical communications (Cambridge, England) England), 2024-10, Vol.60 (85), p.12393-12396
Main Authors: Li, Jiwei, Luo, Ze, Zhou, Tianqing, Huang, Haibo, She, Xilin, Tang, Hua
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Language:English
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creator Li, Jiwei
Luo, Ze
Zhou, Tianqing
Huang, Haibo
She, Xilin
Tang, Hua
description 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 (CH ) production rate compared to pristine CZS, reaching a peak value of 519.2 μL g h . Moreover, CZS-2 demonstrates an unprecedented CH 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- , facilitating efficient charge separation and transfer. This optimization minimizes charge recombination, leading to the selective promotion of CO reduction to CH .
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title Cu-doped CdZnS nanocrystals: a leap forward in selective photocatalytic CO 2 reduction to methane
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