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Vacuum‐Assisted Layer‐by‐Layer Carbon Nanotube/Ti3C2TX MXene Films for Detecting Human Movements

Vacuum‐Assisted Layer‐by‐Layer Carbon Nanotube/Ti3C2TX MXene Films for Detecting Human Movements The rapid development of the Internet of Things has promoted the application of wearable devices in human's daily life and industrialization. Strain sensors play an indispensable role as a member of wearable devices. Here, a strain film sensor with multi‐walled carbon nanotubes (MWCNTs) and Ti3C2TX MXene, which is obtained by vacuum‐assisted filtration and integrated onto a thermoplastic polyurethane substrate, is developed. Since the MWCNTs and Ti3C2TX MXene composite sensor has a characteristic ‘mud‐brick’ microstructure. The sensor has the ability to detect various human movements, such as, bending of finger joints, wrists, elbow joints, and shoulder. The sensors show excellent mechanical property and can be folded more than 2000 times without failure. It also exhibits short response time, low detection limit, and wide range of use. In addition, the sensor shows excellent electrical heating performance. The temperature of the composite film can rise to 96.6 °C in a short period of time even under low voltage power supply (25 V). It likewise proves its excellent performance in terms of cyclability and long‐time heating capability. The film has low production cost, easy preparation method, and simple operation. The MWCNT/Ti3C2TX MXene film can be integrated into wearable devices and shows great potential for future applications. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Materials Technologies Wiley

Vacuum‐Assisted Layer‐by‐Layer Carbon Nanotube/Ti3C2TX MXene Films for Detecting Human Movements

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References (60)

Publisher
Wiley
Copyright
© 2022 Wiley‐VCH GmbH
eISSN
2365-709X
DOI
10.1002/admt.202101096
Publisher site
See Article on Publisher Site

Abstract

The rapid development of the Internet of Things has promoted the application of wearable devices in human's daily life and industrialization. Strain sensors play an indispensable role as a member of wearable devices. Here, a strain film sensor with multi‐walled carbon nanotubes (MWCNTs) and Ti3C2TX MXene, which is obtained by vacuum‐assisted filtration and integrated onto a thermoplastic polyurethane substrate, is developed. Since the MWCNTs and Ti3C2TX MXene composite sensor has a characteristic ‘mud‐brick’ microstructure. The sensor has the ability to detect various human movements, such as, bending of finger joints, wrists, elbow joints, and shoulder. The sensors show excellent mechanical property and can be folded more than 2000 times without failure. It also exhibits short response time, low detection limit, and wide range of use. In addition, the sensor shows excellent electrical heating performance. The temperature of the composite film can rise to 96.6 °C in a short period of time even under low voltage power supply (25 V). It likewise proves its excellent performance in terms of cyclability and long‐time heating capability. The film has low production cost, easy preparation method, and simple operation. The MWCNT/Ti3C2TX MXene film can be integrated into wearable devices and shows great potential for future applications.

Journal

Advanced Materials Technologies – Wiley

Published: Jun 1, 2022

Keywords: electrothermal films; MWCNTs; strain sensor; Ti 3 C 2 T X MXene

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