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UV-Light-Induced Fluctuation Enhanced Sensing by WO3-Based Gas Sensors
Gdansk Univ Technol, Fac Elect Informat & Telecommun, Dept Metrol & Optoelect, PL-80233 Gdansk, Poland..
Gdansk Univ Technol, Fac Elect Informat & Telecommun, Dept Metrol & Optoelect, PL-80233 Gdansk, Poland..
Gdansk Univ Technol, Fac Elect Informat & Telecommun, Dept Metrol & Optoelect, PL-80233 Gdansk, Poland..
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
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2016 (English)In: IEEE Sensors Journal, ISSN 1530-437X, E-ISSN 1558-1748, Vol. 16, no 13, 5152-5159 p.Article in journal (Refereed) PublishedText
Abstract [en]

WO3-based gas sensors were investigated under UV-light irradiation and at different working temperatures with the object of achieving superior sensitivity and selectivity. Resistance fluctuations in the WO3 layer were studied together with dc resistance measurements. The data were taken in synthetic air, ethanol, nitrogen dioxide, and mixtures of these gases. We conclude that UV irradiation can easily be applied to enhance the gas sensing properties of a WO3 layer.

Place, publisher, year, edition, pages
2016. Vol. 16, no 13, 5152-5159 p.
Keyword [en]
Sensors, gas detectors, nanotechnology, noise measurements, detection algorithms
National Category
Accelerator Physics and Instrumentation Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-299842DOI: 10.1109/JSEN.2016.2567065ISI: 000378509200008OAI: oai:DiVA.org:uu-299842DiVA: diva2:950281
Funder
EU, FP7, Seventh Framework Programme, 267234
Available from: 2016-07-29 Created: 2016-07-28 Last updated: 2016-08-19Bibliographically approved

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Granqvist, Claes-Göran
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