Study of room temperature LPG sensing behavior of polyaniline thin film synthesized by cost effective oxidative polymerization technique

Polyaniline thin films doped with an inorganic acid were deposited on glass substrate using simple and cost effective oxidative polymerization technique. As-synthesized thin film of polyaniline was studied with different characterization techniques. The formation of polyaniline on glass substrate wa...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2015-07, Vol.26 (7), p.5065-5070
Main Authors: Birajadar, Ravikiran B., Upadhye, Deepak, Mahajan, Sandip, Vyas, J. C., Sharma, Ramphal
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Glass
Inorganic acids
LPG
Materials Science
Optical and Electronic Materials
Polyanilines
Polymerization
Thin films
Volt-ampere characteristics
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Summary:Polyaniline thin films doped with an inorganic acid were deposited on glass substrate using simple and cost effective oxidative polymerization technique. As-synthesized thin film of polyaniline was studied with different characterization techniques. The formation of polyaniline on glass substrate was confirmed by X-ray diffraction and UV spectroscopy. Surface morphological investigation was performed using scanning electron microscopy. Gas sensing behavior of polyaniline thin film was studied by I–V measurements before and after liquefied petroleum gas (LPG) exposure at room temperature, based on change in electrical resistance. The observed result shows polyaniline thin film sensor is efficient for LPG detection at room temperature.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-015-3028-x