A polyaniline/WO3 nanofiber composite-based ZnO/64° YX LiNbO(3)SAW hydrogen gas sensor

Sadek, A, Wlodarski, W, Shin, K, Kaner, R and Kalantar-Zadeh, K 2008, 'A polyaniline/WO3 nanofiber composite-based ZnO/64° YX LiNbO(3)SAW hydrogen gas sensor', Synthetic Metals, vol. 158, no. 1-2, pp. 29-32.


Document type: Journal Article
Collection: Journal Articles

Title A polyaniline/WO3 nanofiber composite-based ZnO/64° YX LiNbO(3)SAW hydrogen gas sensor
Author(s) Sadek, A
Wlodarski, W
Shin, K
Kaner, R
Kalantar-Zadeh, K
Year 2008
Journal name Synthetic Metals
Volume number 158
Issue number 1-2
Start page 29
End page 32
Total pages 3
Publisher Elsevier
Abstract Polyaniline/WO3 nanofiber composite-based surface acoustic wave (SAW) gas sensor has been investigated towards hydrogen (H2). Chemical oxidative polymerization of aniline was employed to synthesize polyaniline nanofibers with WO3 nanoparticles. The nanocomposite was deposited onto a layered ZnO/64° YX LiNbO3 SAW transducer. The sensor was exposed to various concentrations of H2 gas and operated at room temperature. The sensor response was found to be 7 kHz towards 1% of H2 in synthetic air. A fast response and recovery with good repeatability in a stable baseline condition were observed at room temperature.
Subject Nanoelectronics
DOI - identifier 10.1016/j.synthmet.2007.11.008
Copyright notice © 2007 Elsevier B.V.
ISSN 0379-6779
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