Energies of Electronic States of Ni (II) Ion in NiO-Al2O3 Catalyst Prepared by Impregnation

The behavior of NiO-Al2O3 catalysts is strongly dependent on the preparation method, as well as on pretreatment conditions. In the present work we investigated the influences of Ni(II) ion on NiO-Al2O3 catalysts properties due to the preparation by impregnation method. Based on experimental diffuse...

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Bibliographic Details
Published in:AIP conference proceedings 2007-01, Vol.899 (1), p.634-634
Main Authors: Obadovic, D Z, Kiurski, J, Marinkovic-Neducin, R P
Format: Article
Language:English
Subjects:
ABSORPTION SPECTROSCOPY
ALUMINIUM OXIDES
CATALYSTS
DENSITY
ENERGY-LEVEL TRANSITIONS
IMPREGNATION
MATERIALS SCIENCE
MOLECULAR ORBITAL METHOD
NICKEL IONS
NICKEL OXIDES
SPECTRAL REFLECTANCE
SPINELS
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Summary:The behavior of NiO-Al2O3 catalysts is strongly dependent on the preparation method, as well as on pretreatment conditions. In the present work we investigated the influences of Ni(II) ion on NiO-Al2O3 catalysts properties due to the preparation by impregnation method. Based on experimental diffuse reflectance spectroscopy (DRS) data of electronic d-d transitions of Ni (II) promoter ion the energies of electronic states in spinel-like structure were calculated, and the most probable scheme of molecular orbital have been proposed.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2733375