DIP Coated Thick Films of SnO2 and it’s Ethanol Sensing Properties

B. Bharath; G. Pradeep Reddy

doi:10.4028/www.scientific.net/AMM.110-116.1270

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 110-116DIP Coated Thick Films of SnO2 and it’s Ethanol...

DIP Coated Thick Films of SnO₂ and it’s Ethanol Sensing Properties

Abstract:

SnO2 powder was prepared by soft chemical method. The Structure and Morphological characteristics of SnO₂ powder was analyzed by X-Ray Diffraction (XRD), Atomic Force Microscopy (AFM), UV, FTIR and Scanning Electron Microscopy (SEM) techniques. Its gas sensing properties are analyzed towards toxic gas at ppm level. Sensitivity of a SnO₂ oxide based sensor towards an analyte gas can be enhanced by using the metals in different geometries viz, thick film. The gas sensing properties were studied towards reducing gas like ethanol and it is observed that SnO₂ shows high response to ethanol at relatively lower operating temperature. The SnO₂ nanomaterial shows better sensitivity towards ethanol at an operating temperature 2500C. Ethanol vapour has been one of the most extensively studied gases for metal oxide gas sensors.

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Periodical:

Applied Mechanics and Materials (Volumes 110-116)

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1270-1277

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.110-116.1270

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October 2011

Authors:

B. Bharath, G. Pradeep Reddy

Keywords:

Characterization, Gas Sensor, SnO₂ Thick Film

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