Issue 35, 2021

Boosting electrochemical CO2 reduction to formate using SnO2/graphene oxide with amide linkages

Abstract

Selective electrochemical CO2 reduction to formic acid is an appealing strategy to achieve efficient utilization of CO2. Modification of the catalytic interface with organic linkers has been proven to promote the conversion of CO2 to CO, but the highly selective generation of formic acid is still a challenge. Herein, modification of the interface of graphene oxide (GO) with amide linkages to anchor SnO2 nanoparticles is presented to catalyze the CO2 reduction reaction (CO2RR). As expected, the as-synthesized SnO2/tert-GO shows a competitive high cathodic faradaic efficiency (FE) of 84.4% for formate at −0.96 V and shows long-term stability for the CO2RR. Further, density functional theory (DFT) calculations indicated that amide linkages facilitate the conversion of CO2 to formate.

Graphical abstract: Boosting electrochemical CO2 reduction to formate using SnO2/graphene oxide with amide linkages

Supplementary files

Article information

Article type
Communication
Submitted
04 Apr 2021
Accepted
02 Jun 2021
First published
07 Jun 2021

J. Mater. Chem. A, 2021,9, 19681-19686

Boosting electrochemical CO2 reduction to formate using SnO2/graphene oxide with amide linkages

Z. Yang, C. Yang, J. Han, W. Zhao, S. Shao, S. Li, H. Gao, H. Xie and X. Zhang, J. Mater. Chem. A, 2021, 9, 19681 DOI: 10.1039/D1TA02780H

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