Selective oxidation of toluene using Ag nanoparticles self-supported on Ag2V4O11 nanobelts

Selective oxidation of toluene using Ag nanoparticles self-supported on Ag2V4O11 nanobelts Ag nanoparticles self-supported on Ag2V4O11 nanobelts (Ag/Ag2V4O11 NBs) are synthesized using a sonochemical–hydrothermal method. Ag/Ag2V4O11 NBs are studied by characterization of powder X-ray diffraction, N2 adsorption, transmission electron microscopy, H2 temperature-programmed reduction, and X-ray photoelectron spectroscopy. The catalytic performances of the as-prepared materials were carefully investigated in gas phase selective oxidation of toluene. Higher catalytic activity and better selectivity to benzaldehyde and benzoic acid are achieved by this belt-like Ag/Ag2V4O11 nanocomposite in gas phase oxidation of toluene in comparison with those of bulk V2O5 and Ag supported on V2O5 nanobelts (Ag/V2O5 NBs). The superior catalytic performance of Ag/Ag2V4O11 NBs was attributed to its unique redox property as well as the synergistic effect between Ag nanoparticles and Ag2V4O11. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Selective oxidation of toluene using Ag nanoparticles self-supported on Ag2V4O11 nanobelts

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1511-7
Publisher site
See Article on Publisher Site

Abstract

Ag nanoparticles self-supported on Ag2V4O11 nanobelts (Ag/Ag2V4O11 NBs) are synthesized using a sonochemical–hydrothermal method. Ag/Ag2V4O11 NBs are studied by characterization of powder X-ray diffraction, N2 adsorption, transmission electron microscopy, H2 temperature-programmed reduction, and X-ray photoelectron spectroscopy. The catalytic performances of the as-prepared materials were carefully investigated in gas phase selective oxidation of toluene. Higher catalytic activity and better selectivity to benzaldehyde and benzoic acid are achieved by this belt-like Ag/Ag2V4O11 nanocomposite in gas phase oxidation of toluene in comparison with those of bulk V2O5 and Ag supported on V2O5 nanobelts (Ag/V2O5 NBs). The superior catalytic performance of Ag/Ag2V4O11 NBs was attributed to its unique redox property as well as the synergistic effect between Ag nanoparticles and Ag2V4O11.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Dec 27, 2013

References

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