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Low-temperature CO oxidation on multicomponent gold based catalysts

AutorReina, T.R. ; Ivanova, Svetlana ; Centeno, Miguel Ángel ; Odriozola, José Antonio
Fecha de publicación2013
EditorFrontiers Media
CitaciónFrontiers in Chemistry 1: article 12 (2013)
ResumenIn this work the development of gold catalysts, essentially based on ¿-alumina with small superficial fraction of Ce-Fe mixed oxides as support for the low temperature CO oxidation is proposed. Characterization results obtained by means of TEM, OSC, XPS, UV-Vis spectroscopy and H2-TPR are employed to correlate the activity data with the catalysts composition. The bare ¿-alumina supported gold catalyst demonstrates the poorest activity within the series. The addition of CeO2 or FeOX improves the catalytic performance, especially observed for the CeO2-FeOx mixed oxide doped samples. This enhanced CO oxidation activity was related to the Ce-Fe interaction producing materials with promoted redox properties and therefore oxidation activity.
Versión del editorhttp://dx.doi.org/10.3389/fchem.2013.00012
URIhttp://hdl.handle.net/10261/108815
DOI10.3389/fchem.2013.00012
Identificadoresdoi: 10.3389/fchem.2013.00012
issn: 2296-2646
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