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Proceedings 2017, 1(4), 430; doi:10.3390/proceedings1040430

A Textile Based Polypyrrole Chloride Sensor for Agricultural Use

Department of Electronics and Computer Science, University of Southampton, Southampton SO17 1BJ, UK
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
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Published: 9 August 2017
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Abstract

This paper describes the feasibility of developing a novel polypyrrole (PPy) potentiometric sensor. Conductive PPy-based polymers has been grown through a textile scaffold to create a flexible and robust sensing structure that can survive environments such as soil, with the choice of the scaffold materials offering control of the environmental impact. Further work has demonstrated that doped PPy has an electrochemical response that is sensitive to different measurands’ concentration and in this case, we look at chloride response. Various chloride sensors were evaluated in varying concentrations of the potassium chloride test solutions in terms of their chloride ion sensitivity, hydration times and usable lifetime. The best performing sensor has shown a near-Nernstian response between 45–48 mV/decade to chloride ions and at least 2 weeks initial lifetime.
Keywords: chloride sensor; potentiometric sensor; conducting polymer; polypyrrole; environment chloride sensor; potentiometric sensor; conducting polymer; polypyrrole; environment
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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Glanc-Gostkiewicz, M.; Harris, N. A Textile Based Polypyrrole Chloride Sensor for Agricultural Use. Proceedings 2017, 1, 430.

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