Preferential CO oxidation in a H2-rich stream promoted by ReOx species attached to Pt metal particles

Yoichi Ishida; Tatsuya Ebashi; Shin-ichi Ito; Takeshi Kubota; Kimio Kunimori; Keiichi Tomishige

doi:10.1039/B907357D

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Preferential CO oxidation in a H₂-rich stream promoted by ReO_x species attached to Pt metal particles†

Yoichi Ishida,^a Tatsuya Ebashi,^a Shin-ichi Ito,^a Takeshi Kubota,^b Kimio Kunimori^a and Keiichi Tomishige*^ac

Author affiliations

* Corresponding authors

^a Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki 305-8573, Japan
E-mail: tomi@tulip.sannet.ne.jp
Fax: +81-29-853-5030

^b Department of Materials Science, Shimane University, 1060 Nishikawatsu, Matsue 690-8504, Japan

^c International Center for Materials Nanoarchitectonics, Satellite, (MANA), National Institute of Materials Science (NIMS) and University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki 305-8573, Japan

Abstract

Clusters of ReO_x are formed and attached to Pt metal particles during H₂reduction treatment on Pt–ReO_x/SiO₂, and the synergy between Pt metal surface and neighboring ReO_x clusters gives high catalytic performance in the preferential CO oxidation in the presence of H₂O and CO₂ as more realistic reaction conditions at low reaction temperature.

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Supplementary files

Experimental details, TEM images, TPR profiles, XANES spectraand EXAFS analysis. PDF (422K)

Article information

DOI: https://doi.org/10.1039/B907357D
Article type: Communication
Submitted: 14 Apr 2009
Accepted: 02 Jul 2009
First published: 24 Jul 2009

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Chem. Commun., 2009, 5308-5310

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Preferential CO oxidation in a H₂-rich stream promoted by ReO_x species attached to Pt metal particles

Y. Ishida, T. Ebashi, S. Ito, T. Kubota, K. Kunimori and K. Tomishige, Chem. Commun., 2009, 5308 DOI: 10.1039/B907357D

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