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Highly Conductive and Stretchable Silver Nanowire Conductors

Authors

  • Feng Xu,

    1. Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina 27695-7910 (USA)
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  • Yong Zhu

    Corresponding author
    1. Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina 27695-7910 (USA)
    • Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina 27695-7910 (USA).
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Abstract

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A highly conductive and stretchable conductor with silver nanowires (AgNWs) embedded just below the surface of poly(dimethylsiloxane) (PDMS) is fabricated. Stable conductivity of 5285 S cm−1 is achieved in a large range of tensile strain (0–50%) after a few cycles of stretching/releasing of the substrate. This stable electric response is due to buckling of the AgNW/PDMS thin layer, which is attributed to irreversible sliding of the AgNWs in the PDMS matrix. AgNWs can be printed to fabricate patterned stretchable conductors with feature size as small as 50 μm.

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