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|Title:||Supported AuCu alloy nanoparticles for the preferential oxidation of CO (CO-PROX)|
|Abstract:||The insertion of copper into the gold lattice forming gold-copper (AuCu) nanoalloys enhances the gold catalytic performance in reactions such as CO oxidation. Here, we compared the catalytic performance of 6 nm AuCu nanoparticles (NPs) supported on SiO2 (AuCu_SiO2), a nonreducible oxide, and CeO2 (AuCu_CeO2), a reducible one, under preferential oxidation of CO (CO-PROX). Under reaction conditions, the support nature impacted on the stabilization of different species on the catalyst surface. The AuCu_CeO2 was both more active and more stable, which was associated with the ability of CeO2 to stabilize the AuCu alloy phase under reaction conditions|
|Editor:||American Chemical Society|
|Appears in Collections:||IQ - Artigos e Outros Documentos|
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