Promoting C-C coupling for CO reduction on CuO electrocatalysts with atomically dispersed Rh atoms

Cu 2 O doped with atomically dispersed Rh (Rh:Cu 2 O) is synthesized with a wet chemical method. It shows higher activity and faradaic efficiency at lower overpotential for reduction of CO 2 to C 2+ products, especially C 2 H 4 , than pristine Cu 2 O. We found that introducing Rh promotes CO 2 adsor...

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Published inChemical communications (Cambridge, England) Vol. 6; no. 42; pp. 555 - 5553
Main Authors Feng, Chengcheng, Duan, Ruizhi, Chi, Haibo, Liu, Fengyuan, Song, Rui, Li, Mingrun, Yu, Wenguang, Ding, Chunmei, Li, Can
Format Journal Article
Published 21.05.2024
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Summary:Cu 2 O doped with atomically dispersed Rh (Rh:Cu 2 O) is synthesized with a wet chemical method. It shows higher activity and faradaic efficiency at lower overpotential for reduction of CO 2 to C 2+ products, especially C 2 H 4 , than pristine Cu 2 O. We found that introducing Rh promotes CO 2 adsorption, *CO hydrogenation to *CHO and their coupling to O*CCHO intermediates, which contributes to enhanced catalytic performance. Cu 2 O doped with atomically dispersed Rh shows higher performance for CO 2 reduction to C 2+ products due to the promoted CO 2 adsorption, *CO hydrogenation to *CHO and their coupling to O*CCHO intermediates.
Bibliography:Electronic supplementary information (ESI) available. See DOI
https://doi.org/10.1039/d4cc01254b
ISSN:1359-7345
1364-548X
DOI:10.1039/d4cc01254b