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Characterization of Supported Metal Oxides by Laser Raman Spectroscopy: Supported Vanadium Oxide on Al2O3 and TiO2

Published online by Cambridge University Press:  28 February 2011

Israel E. Wachs ,
Franklin D. Hardcastle  and
Shirley S. Chan
Israel E. Wachs
Affiliation:
Zettlemoyer Center for Surface Studies, Departments of Chemical Engineering and Chemistry, Lehigh University, Bethlehem, PA 18015, U.S.A.
Franklin D. Hardcastle
Affiliation:
Zettlemoyer Center for Surface Studies, Departments of Chemical Engineering and Chemistry, Lehigh University, Bethlehem, PA 18015, U.S.A.
Shirley S. Chan
Affiliation:
Photon Technology International, Princeton Corporate Plaza, Suite F, Deer Park Drive, South Brunswick, NJ 08852, U.S.A.
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Abstract

The interaction of supported vanadium oxide with Al2O3 and TiO2 substrates is examined with Raman spectroscopy. The Raman spectra of the supported vanadium oxide reveal that the strong interaction of the vanadium oxide with the Al2O3 and TiO2 supports results in the formation of an atomically dispersed surface vanadium oxide phase as well as supported crystalline V2O5. The relative concentrations of the atomically dispersed surface vanadium oxide and crystalline V2O5 depend on the vanadium oxide loading and the surface area of the oxide support.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 111: Symposium O – Microstructure and Properties of Catalysts , 1987 , 353
Copyright
Copyright © Materials Research Society 1988

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