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

Po-Chun Hsu, Shuang Wang, Hui Wu, Vijay K. Narasimhan, Desheng Kong, Hye Ryoung Lee and Yi Cui ()
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Po-Chun Hsu: Stanford University
Shuang Wang: Stanford University
Hui Wu: Stanford University
Vijay K. Narasimhan: Stanford University
Desheng Kong: Stanford University
Hye Ryoung Lee: Stanford University
Yi Cui: Stanford University

Nature Communications, 2013, vol. 4, issue 1, 1-7

Abstract: 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.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3522

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DOI: 10.1038/ncomms3522

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