Alcohol sensing of tin oxide thin film prepared by sol-gel process

Mishra, Sunita and Ghanshyam, C. and Ram, N. and Singh, Satinder and Bajpai, R.P. and Bedi, R.K. (2002) Alcohol sensing of tin oxide thin film prepared by sol-gel process. India Bull Material Science, 25 (3). pp. 231-234.

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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

Item Type: Article
Uncontrolled Keywords: Sensors; Tin oxide; Organic substances
Subjects: CSIO > Materials Science
Depositing User: Ms. Narinder Kaur
Date Deposited: 06 Feb 2012 12:27
Last Modified: 10 Apr 2012 15:45

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