Synthesis of anatase TiO2 in a vinyl-containing ionic liquid and its enhanced photocatalytic activity

Synthesis of anatase TiO2 in a vinyl-containing ionic liquid and its enhanced photocatalytic... TiO2 microspheres were synthesized by the sol–gel method using the ionic liquid (IL) 1-vinyl-3-propylimidazolium iodide (VPIM+I−) as a reaction medium, then calcined at 500 °C. The samples were characterized by X-ray diffraction, scanning electron microscopy, and ultraviolet–visible (UV–Vis) diffuse reflectance spectroscopy. The phase of TiO2 microspheres is anatase, and VPIM+I− is able to favor the growth of anatase phase and prevents the collapse of small pores. The photocatalytic activity of TiO2-IL was tested by degradation of 2-nitrophenol under UV light illumination. The photocatalytic activity of TiO2-IL was higher than that of samples prepared in the reaction medium without VPIM+I−. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Synthesis of anatase TiO2 in a vinyl-containing ionic liquid and its enhanced photocatalytic activity

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Publisher
Springer Netherlands
Copyright
Copyright © 2012 by Springer Science+Business Media B.V.
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-012-0805-5
Publisher site
See Article on Publisher Site

Abstract

TiO2 microspheres were synthesized by the sol–gel method using the ionic liquid (IL) 1-vinyl-3-propylimidazolium iodide (VPIM+I−) as a reaction medium, then calcined at 500 °C. The samples were characterized by X-ray diffraction, scanning electron microscopy, and ultraviolet–visible (UV–Vis) diffuse reflectance spectroscopy. The phase of TiO2 microspheres is anatase, and VPIM+I− is able to favor the growth of anatase phase and prevents the collapse of small pores. The photocatalytic activity of TiO2-IL was tested by degradation of 2-nitrophenol under UV light illumination. The photocatalytic activity of TiO2-IL was higher than that of samples prepared in the reaction medium without VPIM+I−.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Sep 27, 2012

References

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