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  • Electrical Resistance of Carbon Nanotube Yarns Under Compressive Transverse Pressure

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    DinhPUB6604.pdf (997.8Kb)
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    Accepted Manuscript (AM)
    Author(s)
    Toan, Dinh
    Tuan-Khoa, Nguyen
    Hoang-Phuong, Phan
    Fastier-Wooller, Jarred
    Canh-Dung, Tran
    Nam-Trung, Nguyen
    Dzung, Viet Dao
    Griffith University Author(s)
    Dao, Dzung V.
    Nguyen, Nam-Trung
    Nguyen Tuan, Khoa
    Year published
    2018
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    Abstract
    This letter reports on the impact of compressive pressure on the electrical properties of carbon nanotube (CNT) yarns fabricated by dry Web-spinning and heat-treatment processes. Under increasing applied compressive pressure in the radial direction of the yarn, the electrical resistance of CNT yarns gradually decreased by 2.8% at a threshold applied pressure of 60 kPa where the resistance change is saturated. The decrease of CNT resistance with increasing pressure is attributed to the increase in the volume fraction of CNT, resulting in the increase of the effective junctions between adjacent CNTs, and the reduction of the ...
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    This letter reports on the impact of compressive pressure on the electrical properties of carbon nanotube (CNT) yarns fabricated by dry Web-spinning and heat-treatment processes. Under increasing applied compressive pressure in the radial direction of the yarn, the electrical resistance of CNT yarns gradually decreased by 2.8% at a threshold applied pressure of 60 kPa where the resistance change is saturated. The decrease of CNT resistance with increasing pressure is attributed to the increase in the volume fraction of CNT, resulting in the increase of the effective junctions between adjacent CNTs, and the reduction of the tunneling distance between single CNTs. CNT yarns embedded in elastomers show high potential as an advanced functional element for a wide range of mechanical sensing applications including flexible pressure and tactile sensing.
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    Journal Title
    IEEE Electron Device Letters
    Volume
    39
    Issue
    4
    DOI
    https://doi.org/10.1109/LED.2018.2806181
    Copyright Statement
    © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subject
    Electrical engineering
    Electronics, sensors and digital hardware
    Publication URI
    http://hdl.handle.net/10072/380482
    Collection
    • Journal articles

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