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Performance enhancement of metal nanowire transparent conducting electrodes by mesoscale metal wires

Author

Listed:
  • Po-Chun Hsu

    (Stanford University)

  • Shuang Wang

    (Stanford University)

  • Hui Wu

    (Stanford University
    Tsinghua University)

  • Vijay K. Narasimhan

    (Stanford University)

  • Desheng Kong

    (Stanford University)

  • Hye Ryoung Lee

    (Stanford University)

  • Yi Cui

    (Stanford University
    SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences)

Abstract

For transparent conducting electrodes in optoelectronic devices, electrical sheet resistance and optical transmittance are two of the main criteria. Recently, metal nanowires have been demonstrated to be a promising type of transparent conducting electrode because of low sheet resistance and high transmittance. Here we incorporate a mesoscale metal wire (1–5 μm in diameter) into metal nanowire transparent conducting electrodes and demonstrate at least a one order of magnitude reduction in sheet resistance at a given transmittance. We realize experimentally a hybrid of mesoscale and nanoscale metal nanowires with high performance, including a sheet resistance of 0.36 Ω sq−1 and transmittance of 92%. In addition, the mesoscale metal wires are applied to a wide range of transparent conducting electrodes including conducting polymers and oxides with improvement up to several orders of magnitude. The metal mesowires can be synthesized by electrospinning methods and their general applicability opens up opportunities for many transparent conducting electrode applications.

Suggested Citation

  • Po-Chun Hsu & Shuang Wang & Hui Wu & Vijay K. Narasimhan & Desheng Kong & Hye Ryoung Lee & Yi Cui, 2013. "Performance enhancement of metal nanowire transparent conducting electrodes by mesoscale metal wires," Nature Communications, Nature, vol. 4(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3522
    DOI: 10.1038/ncomms3522
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