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Issue 6, 2021

Promoting CO2 electroreduction on CuO nanowires with a hydrophobic Nafion overlayer

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Abstract

Copper-based materials could produce a series of products through the CO2 electroreduction reaction, and are regarded as the most promising catalysts to produce fuels and value-added chemicals using renewable energy sources. However, the competitive hydrogen evolution reaction (HER) is a daunting challenge for the selectivity of carbonaceous products. Here, a hydrophobic electrode surface was constructed by modifying the CuO nanowire electrode with a thick Nafion overlayer, which exhibited enhanced selectivity toward the CO2 RR (especially for CO) and suppressed HER activity. This work highlights the importance of hydrophobicity in the selectivity of CO2 reduction and hints at the additional role of Nafion in powder-based catalyst electrodes.

Graphical abstract: Promoting CO2 electroreduction on CuO nanowires with a hydrophobic Nafion overlayer

Supplementary files

Article information


Submitted
24 Nov 2020
Accepted
12 Jan 2021
First published
13 Jan 2021

Nanoscale, 2021,13, 3588-3593
Article type
Paper

Promoting CO2 electroreduction on CuO nanowires with a hydrophobic Nafion overlayer

M. Wang, L. Wan and J. Luo, Nanoscale, 2021, 13, 3588 DOI: 10.1039/D0NR08369K

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