Active nonmetallic Au and Pt species on ceria-based water-gas shift catalysts
- PMID: 12843399
- DOI: 10.1126/science.1085721
Active nonmetallic Au and Pt species on ceria-based water-gas shift catalysts
Abstract
Traditional analysis of reactions catalyzed by supported metals involves the structure of the metallic particles. However, we report here that for the class of nanostructured gold- or platinum-cerium oxide catalysts, which are active for the water-gas shift reaction, metal nanoparticles do not participate in the reaction. Nonmetallic gold or platinum species strongly associated with surface cerium-oxygen groups are responsible for the activity.
Comment in
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Chemistry. All that glitters is not Au0.Science. 2003 Aug 15;301(5635):926-7. doi: 10.1126/science.1088209. Science. 2003. PMID: 12920287 No abstract available.
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