Abstract
The present paper describes the alcohol sensing characteristics of spin coated SnO2 thin film deposited by using sol-gel process. The sensitivity of the film was measured at different temperatures and different concentrations of alcohol at ppm level. Alcohol detection result shows peak sensitivity at 623 K. The variation of sensitivity and ethanol concentration has shown a linear relationship up to 1150 ppm and after that it saturates. The response time measurement of the sensor was also observed and it was found that the response time is 30 sec. The results obtained favour the sol-gel process as a low cost method for the preparation of thin films with a high sensing characteristic.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Brinker C J, Hurd A J, Schunk P R, Frye G C and Ashley C S 1990J. Non-Cryst. Solids 424 147
Coutts T J, Pearsall N M and Tarricane L 1984J. Vac. Sci. Technol. B2 140
Coutts T J, Li X and Cessert T A 1990IEEE Electron Lett. 26 660
Dutaive M S, Lalauze R and Pijolat C 1995Sensors & Actuators B26/27 38
Gardener J W, Shurmer H V and Corcoran P 1991Sensors & Actuators B4 117
Karasawa T and Miyata Y 1993Thin Solid Films 223 135
Kulkarni A K and Knickerbocker S A 1992Thin Solid Films 220 321
Lalweze R and Pizolat C 1984Sensors & Actuators 5 55
Lane D W, Coath J A and Beldon HS 1992Thin Solid Films 221 262
Park S S, Zheng H and Mackenzie J D 1995Thin Solid Films 258 268
Shurmer H V 1990Sensors & Actuators B1 48
Tarey R D and Raju T A 1985Thin Solid Films 221 181
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Mishra, S., Ghanshyam, C., Ram, N. et al. Alcohol sensing of tin oxide thin film prepared by sol-gel process. Bull Mater Sci 25, 231–234 (2002). https://doi.org/10.1007/BF02711159
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1007/BF02711159