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Proceedings Paper

Comparative NH3-sensing characteristic studies of PANI/TiO2 nanocomposite thin films doped with different acids
Author(s): Huiling Tai; Yadong Jiang; Guangzhong Xie; Junsheng Yu; Zhihua Ying; Xuan Chen
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Paper Abstract

Polyaniline/titanium dioxide (PANI/TiO2) nanocomposite thin films were synthesized by in-situ self-assembly method, which were doped with p-toluene sulphonic acid (p-TSA) and hydrochloric acid (HCl), respectively. The thin films were characterized by using UV-Vis absorption spectroscopy and scanning electron microscope (SEM), and the NH3 gas sensitive properties of the thin films were investigated at room temperature. The results showed that the PANI/TiO2 thin film doped with HCl was superior to that doped with p-TSA in terms of response-recovery characteristics. The surface morphology characterization of the thin films were performed to explain the different gas-sensing properties.

Paper Details

Date Published: 11 March 2008
PDF: 4 pages
Proc. SPIE 6984, Sixth International Conference on Thin Film Physics and Applications, 69843P (11 March 2008); doi: 10.1117/12.792243
Show Author Affiliations
Huiling Tai, Univ. of Electronic Science and Technology of China (China)
Yadong Jiang, Univ. of Electronic Science and Technology of China (China)
Guangzhong Xie, Univ. of Electronic Science and Technology of China (China)
Junsheng Yu, Univ. of Electronic Science and Technology of China (China)
Zhihua Ying, Univ. of Electronic Science and Technology of China (China)
Xuan Chen, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 6984:
Sixth International Conference on Thin Film Physics and Applications

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