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Two Ag/CeO2 nanocomposite samples were prepared by deposition-precipitation (Ag/Ce nominal atomic ratio = 0.03 and 0.12). XPS data suggest the possible presence of traces of Ce(III). Beside Ag (0), oxidized silver species are also revealed in the Ag/CeO2 sample with lower metal content. The deposition of metal increases surface hydroxylation and carbonatation. Methanol interacts molecularly and dissociatively with the samples; oxidation products are observed from low temperature and depend on Ag content. Both the samples reveal a high activity in methanol complete oxidation; traces of partial oxidation products are observed in the sample with lower Ag content.
Springer International Publishing
Publication date: 
1 Dec 2010

Antonella Glisenti, Andrea Frasson, Alessandro Galenda, Matteo Ferroni, Isabella Concina, Marta Maria Natile

Biblio References: 
Volume: 1256 Issue: 1 Pages: 1-6
MRS Online Proceedings Library