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Dr. Ken-ichi Shimizu, Dr. Kyoichi Sawabe and Prof. Atsushi Satsuma Self-Regenerative Silver Nanocluster Catalyst for CO Oxidation ChemCatChem 3

Article first published online: 8 JUN 2011 | DOI: 10.1002/cctc.201100122

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Can't keep me down: Silver nanoclusters (NCs), formed by spontaneous atomic-level dispersion of non-nano silver onto Al2O3 surface, show self- regenerative properties during redox aging above 900 °C and, consequently, higher activity than state-of-the-art CO oxidation catalysts after the aging. Size-dependence of the activity and DFT calculation indicate that Ag atoms at corner/edge sites are the active site of Ag NCs.

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