Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 14, Pages 4998-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja101110m
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Funding
- MOST of China [2006CB601104]
- NSFC [20821091, 20871006]
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Pt/CeO2 hetero-nanocomposites were prepared from Pt/CeO2@SiO2 obtained by a microemulsion-mediated method. Facilitated by the earlier calcination under the protection of a silica shell, the as-formed Pt/CeO2 hetero-nanocomposites exhibit a good thermal stability, which can preserve their pristine properties after subsequent calcination at even 450 degrees C. The thermally stable Pt/CeO2 hetero-nanocomposites possess the characteristics of small particle size, low aggregation, and maximized Pt/CeO2 interfaces and thus exhibit high catalytic activity in CO oxidation.
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