Journal
NATURE COMMUNICATIONS
Volume 9, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-018-07032-0
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Funding
- Ontario Research Fund Research-Excellence Program
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- CIFAR Bio-Inspired Solar Energy program
- University of Toronto Connaught grant
- Office of Basic Energy Sciences of the US Department of Energy [DE-AC02-06CH11357, DE-AC02-05CH11231]
- NSERC
- Canada Foundation for Innovation (CFI)
- National Research Council (NRC)
- Canadian Institute for Health Research (CIHR)
- University of Saskatchewan
- CFI under the Major Science Initiative program
- McMaster University
- Southern Ontario Smart Computing Innovation Platform (SOSCIP)
- Federal Economic Development Agency of Southern Ontario
- Province of Ontario
- IBM Canada Ltd.
- Ontario Centres of Excellence
- Mitacs
- 15 Ontario academic
- Tianjin University
- NSERC E.W.R. Steacie Memorial Fellowship
- Hatch
- Banting Postdoctoral Fellowships program
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The electrochemical reduction of carbon monoxide is a promising approach for the renewable production of carbon-based fuels and chemicals. Copper shows activity toward multi-carbon products from CO reduction, with reaction selectivity favoring two-carbon products; however, efficient conversion of CO to higher carbon products such as n-propanol, a liquid fuel, has yet to be achieved. We hypothesize that copper adparticles, possessing a high density of under-coordinated atoms, could serve as preferential sites for n-propanol formation. Density functional theory calculations suggest that copper adparticles increase CO binding energy and stabilize two-carbon intermediates, facilitating coupling between adsorbed *CO and two-carbon intermediates to form three-carbon products. We form adparticle-covered catalysts in-situ by mediating catalyst growth with strong CO chemisorption. The new catalysts exhibit an n-propanol Faradaic efficiency of 23% from CO reduction at an n-propanol partial current density of 11 mA cm(-2).
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