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Proceedings Paper

Materials aspects of gas sensors based on solid electrolytes
Author(s): Wing Fong Chu; Werner Weppner
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Paper Abstract

Chemical concentrations such as gas partial pressures may be determined by making use of the class of recently developed solids with fast ion transport. For the detection of many species it is required to modify the surface. Chemical concentrations are directly converted into electrical signals which may be readily further processed for actors or simply for display. The sensors may be based on potentiometric and amperometric principles depending on the specific type of application. Appropriately selected materials allow to eliminate problems of interference by other chemical species. The development of suitable materials has to include also the reference electrodes and housing.

Paper Details

Date Published: 30 April 1999
PDF: 9 pages
Proc. SPIE 3730, Optoelectronic and Electronic Sensors III, (30 April 1999); doi: 10.1117/12.346839
Show Author Affiliations
Wing Fong Chu, Christian-Albrechts Univ. (Germany)
Werner Weppner, Christian-Albrechts Univ. (Germany)

Published in SPIE Proceedings Vol. 3730:
Optoelectronic and Electronic Sensors III
Antoni Nowakowski; Bogdan Chachulski, Editor(s)

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