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Photodegradation of Methanol Under UV–Visible Irradiation by Titania Dispersed on Polyester Cloth

Photodegradation of Methanol Under UV–Visible Irradiation by Titania Dispersed on Polyester Cloth Titania supported on polyester fabric (TiO2–PY) with varying titania loadings (2–7 wt%) were prepared via the dip‐coating method at room temperature using an aqueous slurry of anatase titania. Structural and morphological characterizations by X‐ray diffraction and scanning electron microscopy revealed that the titanium dioxide crystallites deposited on the surface of the polyester fabric were in the micrometer range while their phase remained to be anatase. Photocatalytic activity of TiO2–PY fabric catalysts was evaluated for vapor‐phase oxidation of methanol in air as a test reaction in the presence of UV as well as solar radiation under ambient conditions. These catalysts were found to be quite active in both UV and solar irradiation with activity being higher in the former case. CO2 yield from photo‐oxidation of methanol depended on titania content and also on its dispersion over polyester fabric support. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photochemistry & Photobiology Wiley

Photodegradation of Methanol Under UV–Visible Irradiation by Titania Dispersed on Polyester Cloth

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References (32)

Publisher
Wiley
Copyright
"Copyright © 2010 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
0031-8655
eISSN
1751-1097
DOI
10.1111/j.1751-1097.2009.00653.x
pmid
19930114
Publisher site
See Article on Publisher Site

Abstract

Titania supported on polyester fabric (TiO2–PY) with varying titania loadings (2–7 wt%) were prepared via the dip‐coating method at room temperature using an aqueous slurry of anatase titania. Structural and morphological characterizations by X‐ray diffraction and scanning electron microscopy revealed that the titanium dioxide crystallites deposited on the surface of the polyester fabric were in the micrometer range while their phase remained to be anatase. Photocatalytic activity of TiO2–PY fabric catalysts was evaluated for vapor‐phase oxidation of methanol in air as a test reaction in the presence of UV as well as solar radiation under ambient conditions. These catalysts were found to be quite active in both UV and solar irradiation with activity being higher in the former case. CO2 yield from photo‐oxidation of methanol depended on titania content and also on its dispersion over polyester fabric support.

Journal

Photochemistry & PhotobiologyWiley

Published: Mar 1, 2010

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