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Knitted Strain Sensor Textiles of Highly Conductive All-Polymeric Fibers

Lookup NU author(s): Dr Shayan Seyedin

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by American Chemical Society, 2015.

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Abstract

A scaled-up fiber wet-spinning production of electrically conductive and highly stretchable PU/PEDOT:PSS fibers is demonstrated for the first time. The PU/PEDOT:PSS fibers possess the mechanical properties appropriate for knitting various textile structures. The knitted textiles exhibit strain sensing properties that were dependent upon the number of PU/PEDOT:PSS fibers used in knitting. The knitted textiles show sensitivity (as measured by the gauge factor) that increases with the number of PU/PEDOT:PSS fibers deployed. A highly stable sensor response was observed when four PU/PEDOT:PSS fibers were co-knitted with a commercial Spandex yarn. The knitted textile sensor can distinguish different magnitudes of applied strain with cyclically repeatable sensor responses at applied strains of up to 160%. When used in conjunction with a commercial wireless transmitter, the knitted textile responded well to the magnitude of bending deformations, demonstrating potential for remote strain sensing applications. The feasibility of an all-polymeric knitted textile wearable strain sensor was demonstrated in a knee sleeve prototype with application in personal training and rehabilitation following injury.


Publication metadata

Author(s): Seyedin S, Razal JM, Innis PC, Jeiranikhameneh A, Beirne S, Wallace GG

Publication type: Article

Publication status: Published

Journal: ACS Applied Materials and Interfaces

Year: 2015

Volume: 7

Issue: 38

Pages: 21150-21158

Print publication date: 30/09/2015

Online publication date: 03/09/2015

Acceptance date: 03/09/2015

Date deposited: 25/01/2021

ISSN (print): 1944-8244

ISSN (electronic): 1944-8252

Publisher: American Chemical Society

URL: https://doi.org/10.1021/acsami.5b04892

DOI: 10.1021/acsami.5b04892


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