Coaxial Thermoplastic Elastomer-Wrapped Carbon Nanotube Fibers for Deformable and Wearable Strain Sensors

Jian Zhou, Xuezhu Xu, Yangyang Xin, Gilles Lubineau

Research output: Contribution to journalArticlepeer-review

112 Scopus citations

Abstract

Highly conductive and stretchable fibers are crucial components of wearable electronics systems. Excellent electrical conductivity, stretchability, and wearability are required from such fibers. Existing technologies still display limited performances in these design requirements. Here, achieving highly stretchable and sensitive strain sensors by using a coaxial structure, prepared via coaxial wet spinning of thermoplastic elastomer-wrapped carbon nanotube fibers, is proposed. The sensors attain high sensitivity (with a gauge factor of 425 at 100% strain), high stretchability, and high linearity. They are also reproducible and durable. Their use as safe sensing components on deformable cable, expandable surfaces, and wearable textiles is demonstrated.
Original languageEnglish (US)
Pages (from-to)1705591
JournalAdvanced Functional Materials
Volume28
Issue number16
DOIs
StatePublished - Jan 22 2018

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