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Issue 45, 2012

A single cotton fiber organic electrochemical transistor for liquid electrolyte saline sensing

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Abstract

A single natural cotton fiber has been functionalized with poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonate) (PEDOT:PSS) conductive polymer by a simple soaking process and used as a channel of an organic electrochemical transistor (OECT), directly interfaced with a liquid electrolyte in contact with an Ag wire gate. The device shows a stable and reproducible current modulation and has been demonstrated to be very effective for electrochemical sensing of NaCl concentration in water. The single wire cotton fiber OECT results to be a simple and low cost device, which is very attractive for wearable electronics in fitness and healthcare.

Graphical abstract: A single cotton fiber organic electrochemical transistor for liquid electrolyte saline sensing

Article information


Submitted
24 Jul 2012
Accepted
27 Sep 2012
First published
27 Sep 2012

J. Mater. Chem., 2012,22, 23830-23834
Article type
Paper

A single cotton fiber organic electrochemical transistor for liquid electrolyte saline sensing

G. Tarabella, M. Villani, D. Calestani, R. Mosca, S. Iannotta, A. Zappettini and N. Coppedè, J. Mater. Chem., 2012, 22, 23830 DOI: 10.1039/C2JM34898E

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