Enhanced photoconductivity of a polyoxometalate–TiO2 composite for gas sensing applications

Zhixia Sun; Yuzhuo Zhang; Na Li; Lin Xu; Tianqi Wang

doi:10.1039/C5TC00904A

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Enhanced photoconductivity of a polyoxometalate–TiO₂ composite for gas sensing applications†

Zhixia Sun,*^a Yuzhuo Zhang,^a Na Li,^a Lin Xu*^a and Tianqi Wang^a

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* Corresponding authors

^a Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, P. R. China
E-mail: linxu@nenu.edu.cn, sunzx282@nenu.edu.cn
Fax: +86-431-85099765
Tel: +86-431-85098760

Abstract

A photoconductive device of phosphotungstic acid (denoted as PW₁₂) and TiO₂ composite was fabricated. Compared to pristine TiO₂, the composite materials of PW₁₂–TiO₂ displayed a remarkable enhancement (ca. 2000-fold) in their photocurrent values. Furthermore, the composite materials also exhibited good gas sensing performance for acetone.

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Article information

DOI: https://doi.org/10.1039/C5TC00904A
Article type: Communication
Submitted: 01 Apr 2015
Accepted: 13 May 2015
First published: 14 May 2015

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J. Mater. Chem. C, 2015,3, 6153-6157

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Enhanced photoconductivity of a polyoxometalate–TiO₂ composite for gas sensing applications

Z. Sun, Y. Zhang, N. Li, L. Xu and T. Wang, J. Mater. Chem. C, 2015, 3, 6153 DOI: 10.1039/C5TC00904A

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Journal of Materials Chemistry C