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Sensing Properties of WO<sub>3</sub> as Thin Film Prepared by PVD towards Methanol Vapor
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Sensing Properties of WO3 as Thin Film Prepared by PVD towards Methanol Vapor

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Abstract:

Three thin films were prepared by PVD starting from WO3 powder with thicknesses (998.7, 1620, 2240 nm) respectively on glass substrates under limited thermal and pressure conditions, studied their I-V characteristics and calculated the sensitivity for 100 ppm of METHANOL vapor adsorption (The temperature of the films have been changed from 25°C to 350°C). A comparison among them was achieved at 300 °C as an operating degree and found that the 1620 nm WO3 has more sensitivity and has more power to adsorb for methanol vapor on it.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 64)
Pages:
27-33
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.64.27
Citation:
M. Hbous, "Sensing Properties of WO3 as Thin Film Prepared by PVD towards Methanol Vapor", International Letters of Chemistry, Physics and Astronomy, Vol. 64, pp. 27-33, 2016
Online since:
February 2016
Authors:
Mayada Hbous
Keywords:
Methanol Vapor, Sensing Properties, Thin Film, Tungsten Oxide WO3
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Distribution:
Open Access

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This work is licensed under a
Creative Commons Attribution 4.0 International License

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