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Influence of gas consumption on the response of metal oxide silicon carbide sensors to exhaust gases
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.
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1998 (English)In: EUROSENSORS XII, VOLS 1 AND 2, Institute of Physics Publishing (IOPP), 1998, 249-252 p.Conference paper, Published paper (Other academic)
Abstract [en]

Silicon carbide based Schottky diodes w th catalytic gate metals are promising for diagnosis of exhaust gas from combustion engines. The forward voltage measured at a constant current changes from a low level in reducing gases to a high level in oxidising gases. Factorial design in two levels on synthetic exhausts reveal interesting details of the influence of the different components on the sensor signal. Contrary to earlier experiments, an increase of the concentration of hydrocarbons and carbon monoxide increases the signal level. Hydrogen gas behaves as expected, an increased concentration increases the signal level. The total area of catalytic metal was much smaller in the new experiment and the different behavior of the sensor signal can probably be explained by consumption cf gases on catalytic metal surfaces.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 1998. 249-252 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-88125ISI: 000077311200061ISBN: 0-7503-0536-3 (print)OAI: oai:DiVA.org:liu-88125DiVA: diva2:601801
Conference
12th European Conference on Solid-State Transducers - 9th UK Conference on Sensors and Their Applications, 13-16 September 1998, Southampton, UK
Available from: 2013-01-30 Created: 2013-01-30 Last updated: 2014-01-09

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Lundström, IngemarLloyd Spetz, Anita

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Lundström, IngemarLloyd Spetz, Anita
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