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Self-heating Effect on Tin Oxide Nanowire Network  Gas Sensor
Hanoi University of Science and Technology. (ITIMS)
Hanoi University of Science and Technology. (ITMS)
Hanoi University of Science and Technology. (ITIMS)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology. (Mikrosystemteknik)
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2014 (English)Conference paper, Published paper (Other academic)
Abstract [en]

Self-heated gas sensors have attracted much of interests owing to the ultra-low power consumption as well as simple device fabrication. However, it still requires further improvement to overcome some technical difficulties such as high operation voltage, long-term stability, and mass production. In this work, we  propose a nanowire nework structure to solve these problems. The self-heating effect on fabricated structures was  tested and working temperature was evaluated by base resistance measurement and infrared emission microscopy methods. The fabricated sensor consumed an electric power of about 40 mW to reach the working temperature up to 250 oC.  The NO2 sensing properties were initially studied on this sensor structure.

Place, publisher, year, edition, pages
2014.
Keyword [en]
self-heating, gas sensor, ultra-low power
National Category
Other Natural Sciences Engineering and Technology
Research subject
Engineering Science with specialization in Microsystems Technology
Identifiers
URN: urn:nbn:se:uu:diva-265281OAI: oai:DiVA.org:uu-265281DiVA: diva2:864344
Conference
The 2nd International Conference on Advanced Materials and Nanotechnology
Available from: 2015-10-26 Created: 2015-10-26 Last updated: 2015-11-11Bibliographically approved

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Nguyen, Hugo

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