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Redox chemistry of gold in a Au/FeOx/CeO2 CO oxidation catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
51334 46839 2009 7 PDF Available
Title
Redox chemistry of gold in a Au/FeOx/CeO2 CO oxidation catalyst
Abstract

Calcination and evacuation of a Au/FeOx/CeO2 catalyst at 573 K leads to reduction of the deposited gold to metal. This metal state is stable under oxygen and only at 573 K some metal atoms are oxidized to Auδ+ sites (Au+ cations situated on metal gold particles). However, even at room temperature, gold is readily oxidized in a CO + O2 mixture producing, in addition to the Auδ+ sites, some isolated Au+ cations.

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Redox chemistry of gold in a Au/FeOx/CeO2 CO oxidation catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 8, 30 March 2009, Pages 1196–1202
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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