Solvent-free fabrication of a room temperature ammonia gas sensor by frictional deposition of a conducting polymer on paper

Kanaparthi, Srinivasulu and Singh, Shiv Govind (2019) Solvent-free fabrication of a room temperature ammonia gas sensor by frictional deposition of a conducting polymer on paper. Organic Electronics, 68. pp. 108-112. ISSN 1566-1199

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Abstract

The strategies that require minimal resources, eco-friendly and readily available to a researcher are necessary for implementation of pervasive sensors. In this regard, a solvent-free frictional deposition of polymer is utilized to develop a chemiresistive ammonia gas sensor. The sensor was exposed to ammonia gas in the range of 200 ppb to 3.15 ppm concentration. The sensitivity of the sensor was found to be 20.5% ppm−1. The high sensitivity of ammonia sensor can be attributed to the rough surface of the film deposited on the paper. Being an eco-friendly and inexpensive approach, it can be used in the fabrication of maintenance-free disposable conducting polymer-gas sensors.

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IITH Creators:	IITH Creators ORCiD Singh, Shiv Govind http://orcid.org/0000-0001-7319-879X
Item Type:	Article
Uncontrolled Keywords:	Solvent-free deposition, Polyaniline, Ammonia gas sensor, Indexed in Scopus and WoS
Subjects:	Electrical Engineering
Divisions:	Department of Electrical Engineering
Depositing User:	Library Staff
Date Deposited:	14 Nov 2019 05:18
Last Modified:	14 Nov 2019 05:18
URI:	http://raiithold.iith.ac.in/id/eprint/6872
Publisher URL:	http://doi.org/10.1016/j.orgel.2019.01.053
Related URLs:	Google Scholar

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