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    Making a bilateral compression/tension sensor by pre-stretching open-crack networks in carbon nanotube papers

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    acsami.8b08166.pdf
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    Type
    Article
    Authors
    Xin, Yangyang
    Zhou, Jian cc
    Tao, Ran cc
    Xu, Xuezhu
    Lubineau, Gilles cc
    KAUST Department
    Composite and Heterogeneous Material Analysis and Simulation Laboratory (COHMAS)
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    BAS/1/1315-01-01
    Date
    2018-09-13
    Online Publication Date
    2018-09-13
    Print Publication Date
    2018-10-03
    Permanent link to this record
    http://hdl.handle.net/10754/628756
    
    Metadata
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    Abstract
    Highly stretchable strain sensors are key elements of new applications in wearable electronics and soft robotics. Most of the available technologies only measure positive strain (stretching), and cannot measure negative strains (compression). We propose here a stretchable technology that enables the measurement of both negative and positive strains with high sensitivity. A carbon nanotube paper is pre-cracked to introduce a well-controlled network of open cracks as the sensing element; then, the pre-cracked paper is sandwiched by thermoplastic elastomer. The resulting sensor is also pre-stretched and subjected to thermal annealing, which removes any residual stress so the pre-streched configuration remains stable. This process results in a stretchable structure with a network of open cracks that is sensitive to both negative and positive strains. We demonstrate that such sensors can measure negative strains up to -13% with high sensitivity and robust stretchability.
    Citation
    Xin Y, Zhou J, Tao R, Xu X, Lubineau G (2018) Making a Bilateral Compression/Tension Sensor by Pre-Stretching Open-Crack Networks in Carbon Nanotube Papers. ACS Applied Materials & Interfaces. Available: http://dx.doi.org/10.1021/acsami.8b08166.
    Sponsors
    The research reported in this publication was supported by King Abdullah University of Science and Technology (KAUST), under award number BAS/1/1315-01-01.
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    DOI
    10.1021/acsami.8b08166
    Additional Links
    https://pubs.acs.org/doi/10.1021/acsami.8b08166
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsami.8b08166
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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