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    Wearable multifunctional printed graphene sensors

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    s41528-019-0061-5.pdf
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    Type
    Article
    Authors
    Kaidarova, Altynay cc
    Khan, Mohammed Asadullah
    Marengo, Marco
    Swanepoel, Liam
    Przybysz, Alexander
    Muller, Cobus
    Fahlman, Andreas
    Buttner, Ulrich
    Geraldi, Nathan cc
    Wilson, Rory P.
    Duarte, Carlos M. cc
    Kosel, Jürgen cc
    KAUST Department
    Electrical Engineering Program
    Computer, Electrical and Mathematical Sciences & Engineering (CEMSE) King Abdullah University of Science and Technology(KAUST), Thuwal 23955, Saudi Arabia
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Carrer d’Eduardo Primo Yúfera, 146013 Valencia, Spain Computer, Electrical and Mathematical Sciences & Engineering (CEMSE) King Abdullah University of Science and Technology(KAUST), Thuwal 23955, Saudi Arabia
    MicroFluidics
    Red Sea Research Center (RSRC)
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Date
    2019-08-02
    Online Publication Date
    2019-08-02
    Print Publication Date
    2019-12
    Permanent link to this record
    http://hdl.handle.net/10754/656523
    
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    Abstract
    The outstanding properties of graphene have initiated myriads of research and development; yet, its economic impact is hampered by the difficulties encountered in production and practical application. Recently discovered laser-induced graphene is generated by a simple printing process on flexible and lightweight polyimide films. Exploiting the electrical features and mechanical pliability of LIG on polyimide, we developed wearable resistive bending sensors that pave the way for many cost-effective measurement systems. The versatile sensors we describe can be utilized in a wide range of configurations, including measurement of force, deflection, and curvature. The deflection induced by different forces and speeds is effectively sensed through a resistance measurement, exploiting the piezoresistance of the printed graphene electrodes. The LIG sensors possess an outstanding range for strain measurements reaching >10% A double-sided electrode concept was developed by printing the same electrodes on both sides of the film and employing difference measurements. This provided a large bidirectional bending response combined with temperature compensation. Versatility in geometry and a simple fabrication process enable the detection of a wide range of flow speeds, forces, and deflections. The sensor response can be easily tuned by geometrical parameters of the bending sensors and the LIG electrodes. As a wearable device, LIG bending sensors were used for tracking body movements. For underwater operation, PDMS-coated LIG bending sensors were integrated with ultra-low power aquatic tags and utilized in underwater animal speed monitoring applications, and a recording of the surface current velocity on a coral reef in the Red Sea.
    Citation
    Kaidarova, A., Khan, M. A., Marengo, M., Swanepoel, L., Przybysz, A., Muller, C., … Kosel, J. (2019). Wearable multifunctional printed graphene sensors. Npj Flexible Electronics, 3(1). doi:10.1038/s41528-019-0061-5
    Sponsors
    This research is a contribution to the CAASE project funded by King Abdullah University of Science and Technology (KAUST) under the KAUST Sensor Initiative. We thank the staff and leadership of the Oceanografic in Valencia for their help and support during the sensor tests with turtle and dolphin.
    Publisher
    Springer Science and Business Media LLC
    Journal
    npj Flexible Electronics
    DOI
    10.1038/s41528-019-0061-5
    Additional Links
    http://www.nature.com/articles/s41528-019-0061-5
    ae974a485f413a2113503eed53cd6c53
    10.1038/s41528-019-0061-5
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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