CHARACTERIZATION AND CATALYTIC PROPERTIES OF ZEOLITE-SUPPORTED PLATINUM-IRIDIUM BIMETALLIC CATALYSTS PREPARED BY DECORATION OF PLATINUM WITH IRIDIUM
Xe-129-NMR, FTIR and XPS have been applied to study the formation, composition and surface structure of zeolite supported platinum-iridium bimetallic cluster. The catalytic properties were tested by n-decane reforming reaction. Both Xe-129-NMR and FTIR of CO adsorbed on metal clusters showed that Ir was decorated on the Pt cluster to form Pt-Ir bimetallic cluster. XPS study indicated that electronic flow from Pt to Ir was not dominant. As Ir content increased, the selectivity to light gas significantly increased in n-decane reforming reaction. This is due to the high cracking activity of Ir decorated on the Pt cluster.
- Publisher
- ELSEVIER SCIENCE PUBL B V
- Issue Date
- 1994
- Language
- English
- Article Type
- Article; Proceedings Paper
- Keywords
CO; SPECTROSCOPY; DISPERSION; ALUMINA; FTIR
- Citation
ZEOLITES AND RELATED MICROPOROUS MATERIALS: STATE OF THE ART 1994 BOOK SERIES: STUDIES IN SURFACE SCIENCE AND CATALYSIS, v.84, pp.757 - 763
- Appears in Collection
- CBE-Journal Papers(저널논문)
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