期刊
CATALYSIS LETTERS
卷 126, 期 1-2, 页码 31-35出版社
SPRINGER
DOI: 10.1007/s10562-008-9643-x
关键词
Platinum; Iron oxides; Strong metal-support interaction; CO oxidation; Surface restructuring; Selective oxidation
资金
- DFG [SFB546]
- Cluster of Excellence UNICAT
- Fonds der Chemischen Industrie
An ultra-thin FeO(111) film grown on Pt(111) is found to exhibit a much higher rate of CO oxidation at stoichiometric CO:O-2 ratios than the clean Pt(111) surface. This unexpected result is rationalized on the basis of reaction induced dewetting of the oxide film, ultimately resulting in highly dispersed FeOx nanoparticles on Pt(111). The effect may have a strong impact on the catalytic properties of the noble metal particles encapsulated by the reducible oxide support as a result of strong metal-support interaction.
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