RAMAN-SPECTROSCOPY CHARACTERIZATION OF MOLYBDENA SUPPORTED ON TITANIA-ZIRCONIA MIXED-OXIDE

Citation
J. Miciukiewicz et al., RAMAN-SPECTROSCOPY CHARACTERIZATION OF MOLYBDENA SUPPORTED ON TITANIA-ZIRCONIA MIXED-OXIDE, Applied catalysis. A, General, 122(2), 1995, pp. 151-159
Citations number
26
Categorie Soggetti
Chemistry Physical","Environmental Sciences
ISSN journal
0926860X
Volume
122
Issue
2
Year of publication
1995
Pages
151 - 159
Database
ISI
SICI code
0926-860X(1995)122:2<151:RCOMSO>2.0.ZU;2-3
Abstract
TiO2-ZrO2 support containing 1:1 mole ratio was prepared by the coprec ipitation method. TiO2 and ZrO2 were also prepared separately. After c alcination at 823 K, the mixed oxide was found to be amorphous. These solids were impregnated with molybdenum and examined by laser Raman sp ectroscopy. Physical mixtures of MoO3 with the same supports were also studied. It is shown that monolayer structures of the molybdenum oxid e overlayers are formed in the presence and absence of water vapour.