Journal
SCIENCE
Volume 372, Issue 6549, Pages 1444-+Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.abg8389
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Funding
- Division of Chemical Science, Office of Basic Energy Science, CPIMS Program, US Department of Energy [DE-SC 0004738]
- Integrated Mesoscale Architectures for Sustainable Catalysis, an Energy Frontier Research Center - US Department of Energy, Office of Science, Basic Energy Sciences [DE-SC0012573]
- Leverhulme Trust [RPG-2018-209]
- Alexander von Humboldt Foundation, Germany
- NSF GRFP
- DOE BES [DE-SC0021124]
- National Science Foundation [2034911]
- EPSRC [EP/PO20194/1, EP/T022213/1, EP/L000202]
- MRSEC Program of the NSF [1720256]
- U.S. Department of Energy (DOE) [DE-SC0021124] Funding Source: U.S. Department of Energy (DOE)
- EPSRC [EP/P020194/1] Funding Source: UKRI
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [2034911] Funding Source: National Science Foundation
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The well-defined nature of single-atom-alloy catalysts allows for unambiguous theoretical modeling and precise surface science experiments, leading to the design of highly active, selective, and coke-resistant catalysts for low-temperature nonoxidative propane dehydrogenation.
The complexity of heterogeneous catalysts means that a priori design of new catalytic materials is difficult, but the well-defined nature of single-atom-alloy catalysts has made it feasible to perform unambiguous theoretical modeling and precise surface science experiments. Herein we report the theory-led discovery of a rhodium-copper (RhCu) single-atom-alloy catalyst for propane dehydrogenation to propene. Although Rh is not generally considered for alkane dehydrogenation, first-principles calculations revealed that Rh atoms disperse in Cu and exhibit low carbon-hydrogen bond activation barriers. Surface science experiments confirmed these predictions, and together these results informed the design of a highly active, selective, and coke-resistant RhCu nanoparticle catalyst that enables low-temperature nonoxidative propane dehydrogenation.
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