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Journal article
MXene Composite and Coaxial Fibers with High Stretchability and Conductivity for Wearable Strain Sensing Textiles
Advanced functional materials, Vol.30(12), pp.1910504-n/a
17 Mar 2020
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The integration of nanomaterials with high conductivity into stretchable polymer fibers can achieve novel functionalities such as sensing physical deformations. With a metallic conductivity that exceeds other solution‐processed nanomaterials, 2D titanium carbide MXene is an attractive material to produce conducting and stretchable fibers. Here, a scalable wet‐spinning technique is used to produce Ti3C2Tx MXene/polyurethane (PU) composite fibers that show both conductivity and high stretchability. The conductivity at a very low percolation threshold of ≈1 wt% is demonstrated, which is lower than the previously reported values for MXene‐based polymer composites. When used as a strain sensor, the MXene/PU composite fibers show a high gauge factor of ≈12900 (≈238 at 50% strain) and a large sensing strain of ≈152%. The cyclic strain sensing performance is further improved by producing fibers with MXene/PU sheath and pure PU core using a coaxial wet‐spinning process. Using a commercial‐scale knitting machine, MXene/PU fibers are knitted into a one‐piece elbow sleeve, which can track various movements of the wearer's elbow. This study establishes fundamental insights into the behavior of MXene in elastomeric composites and presents strategies to achieve MXene‐based fibers and textiles with strain sensing properties suitable for applications in health, sports, and entertainment.
Conductive elastomeric composite and coaxial fibers are fabricated using Ti3C2Tx MXene, which show strain sensing properties by changing electrical resistance when stretched. The composite fibers are knitted into strain sensing textiles that can be worn directly and monitor the user's diverse body movements. MXene‐based fibers and textiles could cater to wearable applications such as off‐site health monitoring of patients.
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Details
- Title
- MXene Composite and Coaxial Fibers with High Stretchability and Conductivity for Wearable Strain Sensing Textiles
- Creators
- Shayan Seyedin - Imperial College LondonSimge Uzun - Drexel UniversityAriana Levitt - Drexel UniversityBabak Anasori - Indiana University−Purdue University IndianapolisGenevieve Dion - Drexel UniversityYury Gogotsi - Drexel UniversityJoselito M Razal - Imperial College London
- Publication Details
- Advanced functional materials, Vol.30(12), pp.1910504-n/a
- Publisher
- Wiley
- Number of pages
- 11
- Grant note
- U.S. National Science Foundation Graduate Research Fellowship (DGE‐1646737) Australian National Fabrication Facility Australian Research Council (FT130100380; IH140100018; DP170102859)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Fashion Design; Materials Science and Engineering
- Identifiers
- 991014877881104721
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- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Applied
- Physics, Condensed Matter