An electret volatile organic chemical and particulate sensor

The use of an electret as a volatile organic chemical and particulate sensor is proposed, along with a mechanism to sense polar gases, particles, and droplets. The electret detects changes in the concentration of volatile organic chemicals and particulates, which are constituents of the combustion p...

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Bibliographic Details
Published in:IEEE transactions on components, hybrids, and manufacturing technology hybrids, and manufacturing technology, 1988-09, Vol.11 (3), p.328-332
Main Authors: Klein, C.F., Thoma, P.E.
Format: Article
Language:English
Subjects:
Chemical sensors
Combustion
Electrets
Electrodes
Gas detectors
Gases
Land surface temperature
Organic chemicals
Polymers
Temperature sensors
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Summary:The use of an electret as a volatile organic chemical and particulate sensor is proposed, along with a mechanism to sense polar gases, particles, and droplets. The electret detects changes in the concentration of volatile organic chemicals and particulates, which are constituents of the combustion process, as a result of dipole-charge and induced dipole-charge interactions between the negative charge in the electret's polymer layer and the combustion products.< >
ISSN:0148-6411
1558-3082
DOI:10.1109/33.16661