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Sensors 2017, 17(3), 562; doi:10.3390/s17030562

Nanostructured Polypyrrole-Based Ammonia and Volatile Organic Compound Sensors

1
Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 612 00 Brno, Czech Republic
2
Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 10, 616 00 Brno, Czech Republic
*
Author to whom correspondence should be addressed.
Academic Editors: Eduard Llobet and Stella Vallejos
Received: 31 December 2016 / Revised: 23 February 2017 / Accepted: 6 March 2017 / Published: 10 March 2017
(This article belongs to the Special Issue Gas Nanosensors)
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Abstract

The aim of this review is to summarize the recent progress in the fabrication of efficient nanostructured polymer-based sensors with special focus on polypyrrole. The correlation between physico-chemical parameters, mainly morphology of various polypyrrole nanostructures, and their sensitivity towards selected gas and volatile organic compounds (VOC) is provided. The different approaches of polypyrrole modification with other functional materials are also discussed. With respect to possible sensors application in medicine, namely in the diagnosis of diseases via the detection of volatile biomarkers from human breath, the sensor interaction with humidity is described as well. The major attention is paid to analytes such as ammonia and various alcohols. View Full-Text
Keywords: gas sensor; VOC sensor; nanostructures; conductive polymers; polypyrrole; polyaniline; ammonia; ethanol gas sensor; VOC sensor; nanostructures; conductive polymers; polypyrrole; polyaniline; ammonia; ethanol
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Šetka, M.; Drbohlavová, J.; Hubálek, J. Nanostructured Polypyrrole-Based Ammonia and Volatile Organic Compound Sensors. Sensors 2017, 17, 562.

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