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.
Research on Chemical Intermediates – Springer Journals
Published: Dec 27, 2013
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