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Issue 60, 2013
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Dramatic effect of redox pre-treatments on the CO oxidation activity of Au/Ce0.50Tb0.12Zr0.38O2−xcatalysts prepared by deposition–precipitation with urea: a nano-analytical and nano-structural study

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Abstract

Nano-structural and nano-analytical studies show that the dramatic difference in CO oxidation activity observed between two Au/Ce0.50Tb0.12Zr0.38O2−x samples prepared by deposition–precipitation with urea and further activated under oxidising or reducing conditions is due to the poisoning effect of a very thin layer of carbon grown on the pre-reduced catalyst.

Graphical abstract: Dramatic effect of redox pre-treatments on the CO oxidation activity of Au/Ce0.50Tb0.12Zr0.38O2−x catalysts prepared by deposition–precipitation with urea: a nano-analytical and nano-structural study

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Supplementary files

Article information


Submitted
20 Mar 2013
Accepted
03 Jun 2013
First published
06 Jun 2013

Chem. Commun., 2013,49, 6722-6724
Article type
Communication

Dramatic effect of redox pre-treatments on the CO oxidation activity of Au/Ce0.50Tb0.12Zr0.38O2−x catalysts prepared by deposition–precipitation with urea: a nano-analytical and nano-structural study

E. del Río, M. López-Haro, J. M. Cíes, J. J. Delgado, J. J. Calvino, S. Trasobares, G. Blanco, M. A. Cauqui and S. Bernal, Chem. Commun., 2013, 49, 6722
DOI: 10.1039/C3CC42051E

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