Journal
CATALYSIS COMMUNICATIONS
Volume 18, Issue -, Pages 26-31Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2011.11.010
Keywords
Low temperature CO oxidation; Supported Pd-Fe catalyst; CeO2 nano-rod; CeO2 nano-particle; SBA-15; Effect of support
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Funding
- National Basic Research Program of China [2010CB732300]
- Fundamental Research Funds for the Central Universities
- Shanghai Education Development Foundation
- Shanghai Municipal Education Commission [10GG23]
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Pd-Fe-O-x catalysts for low temperature CO oxidation were supported on SBA-15, CeO2 nano-particles with rich (111) facets and CeO2 nano-rod with rich (200) facets, and characterized by X-ray diffraction, low-temperature nitrogen adsorption, transmission electron microscopy and temperature-programmed reduction. The results showed that when CeO2 nano-rod was used as a support, Pd-Fe-O-x catalyst exhibits higher activity (T-100=10 degrees C), resulting from the rich (200) facets of CeO2 nano-rod, which leads to a formation of large numbers of the oxygen vacancies on the surface of Pd-Fe-O-x catalysts. (C) 2011 Elsevier B.V. All rights reserved.
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