Fragmenting C60 toward enhanced electrochemical CO2 reduction - Journal of Materials Science
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2021
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Abstract
Abstract Carbon-based metal-free catalysts exhibit great applications in electrochemical CO2 reduction (ECR), while most studies merely focus on large-sized carbons with limited ratio of surface atoms for engineering to create surface active centers. Here, we report a joint treatment of C60 by heating and plasma to induce a dramatic performance promotion during ECR. The electrochemical measurements indicate the Faraday efficiency for ECR toward CO production kept at high level over 80% in a wide potential region from − 0.4 to − 0.7 V versus RHE, with the highest value reaching 96.8%. The physical characterization reveals that fragmentation of C60 occurs together with N/O doping, both of which could induce change in electron structure, causing the formation of *COOH intermediate and ultimately leading to the optimized activity and selectivity for CO production. This treatment route was further revealed to be applicative for other carbon materials, e.g., single-walled carbon nanotube, to promote its ECR activity and selectivity. Graphical Abstract
| Reference Key |
dong2021journalfragmenting
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| Authors | Yan, Dong;Peng, Zhen;Wang, Wei;Zeng, Peng;Huang, Yiyin;Yan, Dong;Peng, Zhen;Wang, Wei;Zeng, Peng;Huang, Yiyin; |
| Journal | journal of materials science |
| Year | 2021 |
| DOI |
doi:10.1007/s10853-021-06061-3
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