Titanium dioxide-based 64 degrees YX LiNbO3 surface acoustic wave hydrogen gas sensors

Sadek, A, Buso, D, Martucci, A, Mulvaney, P, Wlodarski, W and Kalantar-Zadeh, K 2008, 'Titanium dioxide-based 64 degrees YX LiNbO3 surface acoustic wave hydrogen gas sensors', Journal of Sensors, vol. 2008, pp. 1-5.


Document type: Journal Article
Collection: Journal Articles

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Title Titanium dioxide-based 64 degrees YX LiNbO3 surface acoustic wave hydrogen gas sensors
Author(s) Sadek, A
Buso, D
Martucci, A
Mulvaney, P
Wlodarski, W
Kalantar-Zadeh, K
Year 2008
Journal name Journal of Sensors
Volume number 2008
Start page 1
End page 5
Total pages 4
Publisher Hindawi Publishing Corp
Abstract Amorphous titanium dioxide (TiO2) and gold (Au) doped TiO2-based surface acoustic wave (SAW) sensors have been investigated as hydrogen gas detectors. The nanocrystal-doped TiO2 films were synthesized through a sol-gel route, mixing a Ti-butoxide-based solution with diluted colloidal gold nanoparticles. The films were deposited via spin coating onto 64° YX LiNbO3 SAW transducers in a helium atmosphere. The SAW gas sensors were operated at various temperatures between 150 and 310°C. It was found that gold doping on TiO2 increased the device sensitivity and reduced the optimum operating temperature.
Subject Nanoelectronics
DOI - identifier 10.1155/2008/254283
Copyright notice © 2008 The Authors. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
ISSN 1687-725X
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