期刊
CATALYSIS TODAY
卷 155, 期 3-4, 页码 184-191出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2009.08.010
关键词
CO-PROX; XRD; Operando-DRIFTS-MS; CuO; CeO2; Co; Zn; Sn
资金
- European Community
- Ministerio de Ciencia e Innovacion
- CSIC
- MEC [CTQ2006-15600/BQU]
- Comunidad de Madrid [ENERCAM S-0505/ENE/000304]
A series of catalysts based on combinations between copper and cerium oxides, in which the former has been modified by doping with Co, Zn and Sn, have been prepared by a microemulsion method and characterized by XRD and S-BET measurements. Their catalytic activity as well as details of redox processes taking place during the course of the reaction has been examined by means of operando-DRIFTS-MS under CO-PROX conditions. The results reveal differences in the characteristics of carbonyl species formed through a reductive process during the course of the reaction which are employed to rationalize catalytic properties of the systems. (C) 2009 Elsevier B.V. All rights reserved.
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