Issue 63, 2024

Improving co-electrocatalytic carbon dioxide reduction by optimizing the relative potentials of the redox mediator and catalyst

Abstract

The effects of fixing the redox mediator (RM) reduction potential relative to a series of Cr-centered complexes capable of the reduction of CO2 to CO are disclosed. The greatest co-electrocatalytic activity enhancement is observed when the reduction potentials of the catalyst and RM are identical, implying that controlling the speciation of the Cr complex relative to RM activation is essential for improving catalytic performance. In all cases, the potential where co-catalytic activity is observed matches the reduction potential of the RM, regardless of the relative reduction potential of the Cr complex.

Graphical abstract: Improving co-electrocatalytic carbon dioxide reduction by optimizing the relative potentials of the redox mediator and catalyst

Supplementary files

Article information

Article type
Communication
Submitted
25 4 2024
Accepted
09 7 2024
First published
17 7 2024
This article is Open Access
Creative Commons BY license

Chem. Commun., 2024,60, 8208-8211

Improving co-electrocatalytic carbon dioxide reduction by optimizing the relative potentials of the redox mediator and catalyst

A. G. Reid, E. A. Zelenke, M. E. Moberg, D. A. Dickie and C. W. Machan, Chem. Commun., 2024, 60, 8208 DOI: 10.1039/D4CC01988A

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