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Journal of Sol-Gel Science and Technology
Published in: Journal of Sol-Gel Science and Technology 1/2008

01-04-2008 | Original Paper

Preparation, characterization and catalytic studies of V2O5–SiO2 xerogel composite

Authors: Glauciane N. Barbosa, Tatiana C. O. Mac Leod, Débora F. C. Guedes, Marilda D. Assis, Herenilton P. Oliveira

Published in: Journal of Sol-Gel Science and Technology | Issue 1/2008

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Abstract

In this work, we report the synthesis, characterization and catalytic properties of a vanadium oxide–silicon oxide composite xerogel prepared by a soft chemistry approach. In order to obtain such material, we submitted a vanadium pentoxide gel previously synthesized via protonation of metavanadate species to an “in situ” progressive polycondensation into silica gel. The material has been characterized by X-ray diffraction, infrared spectroscopy, thermogravimetric analysis and scanning electron microscopy. Further, the catalytic activity of this material was evaluated for the epoxidation of styrene and cyclooctene using iodosylbenzene, hydrogen peroxide and m-chloroperbenzoic acid as the oxidizing agent.
previous article In situ formed silica nanofiber reinforced UV-curable phenylphosphine oxide containing coatings
next article Synthesis of proton conductive inorganic–organic hybrid membranes through copolymerization of dimethylethoxyvinylsilane with vinylphosphonic acid

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Metadata
Title
Preparation, characterization and catalytic studies of V2O5–SiO2 xerogel composite
Authors
Glauciane N. Barbosa
Tatiana C. O. Mac Leod
Débora F. C. Guedes
Marilda D. Assis
Herenilton P. Oliveira
Publication date
01-04-2008
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 1/2008
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-008-1690-7

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