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Knittable and Washable Multifunctional MXene-Coated Cellulose Yarns

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 Wiley, 2019.

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Abstract

Textile‐based electronics enable the next generation of wearable devices, which have the potential to transform the architecture of consumer electronics. Highly conductive yarns that can be manufactured using industrial‐scale processing and be washed like everyday yarns are needed to fulfill the promise and rapid growth of the smart textile industry. By coating cellulose yarns with Ti3C2Tx MXene, highly conductive and electroactive yarns are produced, which can be knitted into textiles using an industrial knitting machine. It is shown that yarns with MXene loading of ≈77 wt% (≈2.2 mg cm−1) have conductivity of up to 440 S cm−1. After washing for 45 cycles at temperatures ranging from 30 to 80 °C, MXene‐coated cotton yarns exhibit a minimal increase in resistance while maintaining constant MXene loading. The MXene‐coated cotton yarn electrode offers a specific capacitance of 759.5 mF cm−1 at 2 mV s−1. A fully knitted textile‐based capacitive pressure sensor is also prepared, which offers high sensitivity (gauge factor of ≈6.02), wide sensing range of up to ≈20% compression, and excellent cycling stability (2000 cycles at ≈14% compression strain). This work provides new and practical insights toward the development of platform technology that can integrate MXene in cellulose‐based yarns for textile‐based devices.


Publication metadata

Author(s): Uzun S, Seyedin S, Stoltzfus AL, Levitt AS, Alhabeb M, Anayee M, Strobel CJ, Razal JM, Dion G, Gogotsi Y

Publication type: Article

Publication status: Published

Journal: Advanced Functional Materials

Year: 2019

Volume: 29

Issue: 45

Print publication date: 07/11/2019

Online publication date: 05/09/2019

Acceptance date: 11/08/2019

Date deposited: 25/01/2021

ISSN (print): 1616-301X

ISSN (electronic): 1616-3028

Publisher: Wiley

URL: https://doi.org/10.1002/adfm.201905015

DOI: 10.1002/adfm.201905015


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