Lin, Zhi-dong and Chen, Gao-feng and Zhou, Xun and Zeng, Wen and Zhang, Hong (2009) The Gas Sensitivity of Nano TiO2-SnO2 Film doped with Cd(II) ion. Materials Letters, 63 (27). 2277- 2279.
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Official URL: http://www.sciencedirect.com/science/article/B6TX9...
The nanocomposite oxide (0.2TiO2–0.8SnO2) doped with Cd2+ powder have been prepared and characterized by XRD and their gas-sensing sensitivity were characterized using gas sensing measurement. Experimental results show that, bicomponent nano anatase TiO2 and rutile SnO2 particulate thick film doped with Cd2+ behaves with good sensitivity to formaldehyde gas of 200 ppm in the air, and the optimum sensing temperature was reduced from 360 °C to 320 °C compared with the undoped Cd2+ thick film. The gas sensing thick films doped with Cd2+ also show good selectivity to formaldehyde among benzene, toluene, xylene and ammonia as disturbed gas and could be effectively used as an indoor formaldehyde sensor.
|Uncontrolled Keywords:||Formaldehyde; TiO2–SnO2; Sensitivity|
|Subjects:||Analytical Science > Nanotechnology for sensing and actuating|
Material Science > Nanostructured materials
|Deposited On:||10 Feb 2010 17:34|
|Last Modified:||10 Feb 2010 17:34|
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