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Nanostructured ceria-silver synthesized in a one-pot redox reaction catalyzes carbon oxidation
Tomoyuki Kayama1, Kiyoshi Yamazaki, Hirofumi Shinjoh
1Toyota Central R&D Laboratories, Inc., Nagakute, Aichi 480-1192, Japan. kayama@mosk.tytlabs.co.jp
Abstract:
We introduce a new concept for a nanomaterial in terms of both synthesis and properties. The nanomaterial, aggregates of ceria particles around central silver metal (CeO(2)-Ag), was fabricated by a one-pot selective redox reaction using cerium(III) and silver(I) autocatalyzed by silver metal without the need for surfactants or organic compounds. This unique nanostructure is suitable as a catalyst, in contrast to core-shell materials wherein the shell deactivates the catalyst metal. The material was developed to be intimately related to catalytic carbon oxidation.
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