Issue 22, 2024

Promotional effects of In(PO3)3 on the high catalytic activity of CuO–In(PO3)3/C for the CO2 reduction reaction

Abstract

The construction of Cu–In bi-component catalysts is an effective strategy to enhance the electrocatalytic properties towards the CO2 reduction reaction (CO2RR). However, realizing the co-promotion of In and heteroatom P on the electrocatalytic performance is still a challenge due to the poor selectivity of metal phosphides. Herein, a novel bi-component catalyst (CuO–In(PO3)3/C) was successfully synthesized via a facile one-pot reaction to realize the integration of Cu, In, and P species for the enhancement of electrocatalysis. In particular, the as-obtained nanorod-like Cu–In(PO3)3/C exhibits superior electrocatalysis towards the CO2RR, with the highest Faraday efficiency of CO (FECO) of 88.5% at −0.586 V. Furthermore, Cu–In(PO3)3/C shows better activity, selectivity, and stability in the CO2RR; in particular, the total current density can reach 178.09 mA cm−2 at −0.886 V in 2.0 M KOH solution when a flow cell is employed. This work provides a reliable method for simplifying the synthesis of novel Cu-based catalysts and exploits the application of heteroatom P in the field of efficient CO2RR.

Graphical abstract: Promotional effects of In(PO3)3 on the high catalytic activity of CuO–In(PO3)3/C for the CO2 reduction reaction

Supplementary files

Article information

Article type
Paper
Submitted
03 Mar 2024
Accepted
12 May 2024
First published
13 May 2024

Dalton Trans., 2024,53, 9540-9546

Promotional effects of In(PO3)3 on the high catalytic activity of CuO–In(PO3)3/C for the CO2 reduction reaction

C. Ruan, Z. Zhao, H. Wu, J. Liu, Y. Shi, L. Zeng and Z. Li, Dalton Trans., 2024, 53, 9540 DOI: 10.1039/D4DT00645C

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