Nano-sized gold particles on solid supports offer unexpected catalytic properties, with new discoveries emerging rapidly for oxidation, hydrogenation, coupling, and other reactions. Oxidation of H2 to give H2O2 catalyzed by metal oxide-supported gold nanoclusters (reported in Chem. Commun. in 2002 by the group of Hutchings) offers promise for large-scale application. Catalysis by gold has become a vibrant, expanding field marked by continuing surprises, but fundamental understanding of how these catalysts work is emerging only slowly.
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Bruce C. Gates (2013) studied this question.
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