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J Am Chem Soc. 2006 Feb 15;128(6):1780-1.

Enhanced CO tolerance for hydrogen activation in Au-Pt dendritic heteroaggregate nanostructures.

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1
Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA.

Abstract

Au-Pt heteroaggregate nanostructures were prepared by sequential reduction methods. The structures have approximately 11 nm Au cores with Pt "tendrils" attached to the Au surface. The heteroaggregates are active H2 oxidation catalysts and show high activity at 90 degrees C in the presence of 1000 ppm CO. The surprising CO-tolerant behavior arises from the composition and unusual architecture of the particles.

PMID:
16464063
DOI:
10.1021/ja056924+
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