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Flower-like cobalt carbide for efficient carbon dioxide conversion

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Abstract

Catalytic conversion of carbon dioxide (CO2) to value-added chemicals under mild conditions is highly desired, albeit with significant challenges. Here, in terms of exposure of abundant active sites and excellent photo-to-thermal conversion properties, flower-like Co2C has been firstly used for effectively catalysing the cycloaddition of CO2 with epoxides to produce cyclic carbonates with yields of up to 95% under solar light. Density functional theory (DFT) calculations reveal that Lewis acid sites of the surface Co atoms can activate both CO2 and epoxide, thus opening up the possibility of a CO2-epoxide cycloaddition reaction.

Graphical abstract: Flower-like cobalt carbide for efficient carbon dioxide conversion

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Article information


Submitted
11 Feb 2020
Accepted
04 Mar 2020
First published
05 Mar 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Flower-like cobalt carbide for efficient carbon dioxide conversion

Q. Guo, S. Xia, X. Li, Y. Wang, F. Liang, Z. Lin, C. Tung and L. Wu, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC01091J

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