Overtone bands are observable in the i.r. spectra of mixed and supported oxide catalysts, and may be informative on the state of the active phases and their interactions with absorbates. In the cases of supported V2O5/TiO2, MoO3/Al2O3 and WO3/Al2O3 the behaviour of such bands indicates that single uncoupled MO bonds are exposed on the surface. In the case of bulk VPO catalysts they are informative on the presence of oxidized phases. © 1986.
Use of overtone bands to monitor the state of the catalyst active phases during infrared studies of adsorption and catalytic reactions
BUSCA, GUIDO;
1986-01-01
Abstract
Overtone bands are observable in the i.r. spectra of mixed and supported oxide catalysts, and may be informative on the state of the active phases and their interactions with absorbates. In the cases of supported V2O5/TiO2, MoO3/Al2O3 and WO3/Al2O3 the behaviour of such bands indicates that single uncoupled MO bonds are exposed on the surface. In the case of bulk VPO catalysts they are informative on the presence of oxidized phases. © 1986.
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