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Photocatalytic activity of TiO2:In2O3 nanocomposite films towards the degradation of arylmethane and azo dyes

Paper ID Volume ID Publish Year Pages File Format Full-Text
27764 44042 2008 6 PDF Available
Title
Photocatalytic activity of TiO2:In2O3 nanocomposite films towards the degradation of arylmethane and azo dyes
Abstract

The photocatalytic activity of TiO2:In2O3 nanocomposite films derived from the mixed sols of individual oxides was investigated using a photodegradation of adsorbed arylmethane and azo dyes under UV illumination in contact with air. It has been shown that the photoactivity of TiO2:In2O3 films towards the destruction of polar dyes exhibits non-additive variations with Ti/In ratio and correlates well with the intrinsic hydrophilicity of nanocomposite films, whereas the photodegradation of non-polar dyes occurs most rapidly at pure titania. The observed effects are discussed in terms of different mechanisms of the photodegradation of probing dyes and inhomogeneity of photocatalyst surface.

Keywords
Titanium dioxide; Indium oxide; Nanocomposite; Photocatalyst; Hydrophilicity
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Photocatalytic activity of TiO2:In2O3 nanocomposite films towards the degradation of arylmethane and azo dyes
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 193, Issues 2–3, 25 January 2008, Pages 97–102
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
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