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Response of metal-oxide-silicon carbide sensors to simulated and real exhaust gases
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2817-3574
Mecel AB, Åmål, Sweden; AB Volvo Technol Dev, Gothenburg, Sweden.
Mecel AB, Åmål, Sweden; AB Volvo Technol Dev, Gothenburg, Sweden.
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1997 (English)In: Sensors and actuators. B, Chemical, ISSN 0925-4005, E-ISSN 1873-3077, Vol. 43, no 1-3, 52-59 p.Article in journal (Refereed) Published
Abstract [en]

Field effect devices based on catalytic metal-oxide-silicon carbide (MOSiC) structures can be used as high temperature gas sensors. The devices are sensitive to hydrocarbons and hydrogen and can be operated up to at least 900 degrees C, which make them suitable for several combustion applications, Simulated and real exhaust gases from a car engine have been studied at sensor temperatures from 200 to 650 degrees C, and it was round that the sensor signal is high for excess hydrocarbon and low for excess oxygen. The response time is less than 100 ms and only a small degradation of the devices was observed after several days of operation. The devices also react to changes of the gas composition In the fuel-rich and fuel-lean region. The devices show an interesting temperature dependence in the fuel rich region.

Place, publisher, year, edition, pages
Elsevier , 1997. Vol. 43, no 1-3, 52-59 p.
Keyword [en]
silicon carbide sensor; simulated exhaust gases; real exhaust gases; MIS capacitors; high temperature gas sensors; catalytic metals; combustion
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-88131DOI: 10.1016/S0925-4005(97)00198-6ISI: 000071058600008OAI: oai:DiVA.org:liu-88131DiVA: diva2:601785
Available from: 2013-01-30 Created: 2013-01-30 Last updated: 2017-12-06

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Baranzahi, AmirLloyd Spetz, AnitaLundström, Ingemar

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Baranzahi, AmirLloyd Spetz, AnitaLundström, Ingemar
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Sensors and actuators. B, Chemical
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