Journal
ACS APPLIED ENERGY MATERIALS
Volume 3, Issue 5, Pages 4658-4668Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsaem.0c00301
Keywords
CO2 reduction; pulsed-laser deposition; nanoporous films; Au nanostructures; electrocatalysis
Funding
- European Union [705723]
- Operational Programme Research, Development and Education-European Regional Development Fund of the Ministry of Education, Youth and Sports of the Czech Republic [CZ.02.1.01/0.0/0.0/15_003/0000416]
- Center for Nanophase Materials Sciences (CNMS) at Oak Ridge National Laboratory (ORNL) [CNMS2018-309]
- Polimi International Fellowship (PIF)
- Marie Curie Actions (MSCA) [705723] Funding Source: Marie Curie Actions (MSCA)
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Electrocatalytic reduction of CO2 recently emerged as a viable solution in view of changing the common belief and considering carbon dioxide as a valuable reactant instead of a waste product. In this view, we herein propose the one-step synthesis of gold nanostructures of different morphologies grown on fluorine-doped tin oxide electrodes by means of pulsed-laser deposition. The resulting cathodes are able to produce syngas mixtures of different compositions at overpotentials as low as 0.31 V in CO2-presaturated aqueous media. Insights into the correlation between the structural features/morphology of the cathodes and their catalytic activity are also provided, confirming recent reports on the remarkable sensitivity toward CO production for gold electrodes exposing undercoordinated sites and facets.
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