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Physics Journal of the Indonesian Physical Society
http://situs.jurnal.lipi.go.id/pjhfi/   -   http://pj.hfi.fisika.net

THE EFFECT OF ELECTRICAL RESISTANCE ON GAS SENSOR USING SNO2(PTX) DOPED THIN FILM TO DETECT CHLORINE

Norlee binti Ramli, M. Yahya and M.M. Salleh

School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, UKM, Bangi, Selangor, Malaysia

Abstract
Chlorine is one of the toxic gases that need to be detected at the earliest stage. This paper studied the utilization of SnO2(Pt X) thin film and SnO2 (PtX) thin film annealed at 5000C as base material to detect the chlorine and the changes on the electrical resistance of the film once the interaction with the gas occurred. The sensing was measured at temperature of 1000C, and found to respond with resistance change, indicating the potential of these devices to be used as chlorine detector. The system was successfully used to detect chlorine gas as low as at 5 ppm of gas concentration.

Publication : Physics Journal IPS Proceeding Supplement A6 (2002) 0540 » page of Content
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Additional info : 5 pages, language English » accessed 19.910 times

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