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Response enhancement of sprayed ZnO thin film-based NO2 sensor by indium-doping

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Ferro, R. Rodriguez, J. A. Bertrand, Patrick [UCL] Henry, Marie [UCL] Poleunis, Claude [UCL]

The development of a sprayed ZnO thin film-based NO2 sensor is reported. The effect of In-doping on the sensor performance is studied. With the addition of 3 wt % of indium nitrate to the spraying solution, a good sensor response to 5 ppm of NO2 at 275 degrees C and an important decrease in the device electrical resistance is obtained. The dependence of the electrical resistance oil temperature in several gas atmospheres is also considered. A possible sensitization mechanism is discussed.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès libre
Publication date 2006
Language Anglais
Journal information "Revista Mexicana de Fisica" - Vol. 52, no. 2, p. 23-25 (2006)
Peer reviewed yes
Publisher Sociedad Mexicana De Fisica (Coyoacan)
issn 0035-001X
Publication status Publié
Affiliation UCL - FSA/MAPR - Département des sciences des matériaux et des procédés
Keywords gas sensor ; spray pyrolysis ; ZnO
Links
Bibliographic reference Ferro, R. ; Rodriguez, J. A. ; Bertrand, Patrick ; Henry, Marie ; Poleunis, Claude. Response enhancement of sprayed ZnO thin film-based NO2 sensor by indium-doping. In: Revista Mexicana de Fisica, Vol. 52, no. 2, p. 23-25 (2006)
Permanent URL http://hdl.handle.net/2078.1/37557