Mechanism of beta-hydrogen abstraction from adsorbed alkoxides on supported metal oxide catalysts

Article Abstract:

A study was conducted to examine the kinetics of the oxidation of a series of fluorinated ethoxides to produce acetaldehyde, and its fluorinated analogues on V2O5/TiO2 and V2O5/CeO2 were measured using TPD. The result shows that the activation energy for the cleavage of the beta-C-H bond in ethoxide intermediates adsorbed on vanadia monolayers, supported on both ceria and Titania, systematically increases upon fluorination of the methyl group.

All Other Miscellaneous Chemical Product and Preparation Manufacturing, Catalysts, Chemical preparations, not elsewhere classified, Oxidation-reduction reaction, Oxidation-reduction reactions, Chemical reaction, Rate of, Chemical kinetics, Metallic oxides, Metal oxides

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Electronic properties of carbon nanotubes with covalent sidewall functionalization

Article Abstract:

The covalent sidewall functionalization of single-wall nanotubes leads to drastic changes of nanotube electronic states near the Fermi level. The sp(super 3) hybridization between the functional group and nanotube induces an impurity state near the Fermi level.

Electric properties, Carbon, Nanotubes, Fermi surfaces

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