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Journal of Materials Science
Published in: Journal of Materials Science 1/2015

01-01-2015

Synthesis and characterization of TiO2/WO3 composite nanotubes for photocatalytic applications

Authors: Xiaofei Qu, Dandan Xie, Lei Gao, Lixin Cao, Fanglin Du

Published in: Journal of Materials Science | Issue 1/2015

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Abstract

TiO2/WO3 composite nanotubes were synthesized in an anodic aluminum oxide (AAO) template by a sol–gel method. The prepared nanotubes were characterized by transmission electron microscopy, scanning electron microscopy, powder X-ray diffraction, and Brunauer–Emmett–Teller surface area. Using the nanotubes embedded in the AAO templates as catalysts, photocatalytic degradation of methyl orange aqueous solution was carried out under UV light irradiation. The results showed that the TiO2/WO3 composite nanotubes with the thickness about 50 nm could be successfully synthesized by this method. TiO2 showed anatase phase and WO3 displayed monoclinic phase. The composite nanotubes (TiO2/WO3) exhibited higher photocatalytic activity than the pure nanotubes (WO3 or TiO2). The possible reason for improving the photocatalytic activity was also discussed.
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Metadata
Title
Synthesis and characterization of TiO2/WO3 composite nanotubes for photocatalytic applications
Authors
Xiaofei Qu
Dandan Xie
Lei Gao
Lixin Cao
Fanglin Du
Publication date
01-01-2015
Publisher
Springer US
Published in
Journal of Materials Science / Issue 1/2015
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-014-8441-7

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