Knitted Strain Sensor Textiles of Highly Conductive All-Polymeric Fibers

ACS Applied Materials & Interfaces
Shayan SeyedinGordon Wallace

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.

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Citations

May 3, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Peng HanJinliang Qiao
May 18, 2016·Macromolecular Bioscience·Alexander J PattonRylie A Green
Apr 29, 2016·Journal of Biomedical Materials Research. Part a·Cancan XuYi Hong
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Aug 4, 2018·Advanced Materials·Chunfeng WangSheng Xu
Jan 3, 2019·Advanced Materials·Laure V Kayser, Darren J Lipomi
Aug 25, 2019·Sensors·Sophie Wilson, Raechel Laing
Jul 6, 2019·Advanced Materials·Lie WangHuisheng Peng
Jul 6, 2019·Advanced Materials·Jidong ShiXiaoming Tao
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Sep 17, 2020·Micromachines·Sharadindu Gopal KirtaniaPraveen Kumar Sekhar
May 12, 2018·Advanced Healthcare Materials·Tran Quang TrungNae-Eung Lee
Apr 2, 2020·Sensors·Granch Berhe TseghaiLieva Van Langenhove
Oct 9, 2019·Global Challenges·Shayan SeyedinJoselito M Razal
Dec 9, 2020·Sensors·Granch Berhe TseghaiLieva Van Langenhove
Jan 10, 2021·Sensors·Yetanawork TeyemeLieva Van Langenhove
May 8, 2021·Acta Biomaterialia·Chen JiangBen Wang
Jul 30, 2021·ACS Applied Materials & Interfaces·Si QinJoselito M Razal
Apr 4, 2018·ACS Applied Materials & Interfaces·Zherui CaoJing Sun
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Apr 24, 2020·ACS Applied Materials & Interfaces·Zhen LvXinxing Zhang
Dec 21, 2018·ACS Applied Materials & Interfaces·Yuejiao ChenJiwei Deng

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