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CO Oxidation Over a Fine Porous Gold Catalyst Fabricated by Selective Leaching from an Ordered AuCu3 Intermetallic Compound

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Abstract

A fine porous gold catalyst has been fabricated by selective leaching of Cu from an ordered AuCu3 intermetallic compound with 50%HNO3 aqueous solution at 50 °C. This catalyst exhibited comparable areal rate (mol min−1 m−2-cat) with the Au/TiO2 catalyst for CO oxidation. The present study demonstrates that high catalytic activity of gold is originated neither from the presence of fine dispersed Au particles nor from Au-support perimeter interface.

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Acknowledgements

This work was supported in part by Grants-in-Aid for Scientific Research (A) 19206072 and (C) 19560769 from the Ministry of Education, Culture, Sports, Science and Technology (MEXT).

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Authors and Affiliations

  1. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan

    Satoshi Kameoka & An Pang Tsai

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  1. Satoshi Kameoka
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  2. An Pang Tsai
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Correspondence to Satoshi Kameoka.

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Kameoka, S., Tsai, A.P. CO Oxidation Over a Fine Porous Gold Catalyst Fabricated by Selective Leaching from an Ordered AuCu3 Intermetallic Compound. Catal Lett 121, 337–341 (2008). https://doi.org/10.1007/s10562-007-9344-x

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  • DOI: https://doi.org/10.1007/s10562-007-9344-x

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