Performance enhancement of metal nanowire transparent conducting electrodes by mesoscale metal wires
Performance enhancement of metal nanowire transparent conducting electrodes by mesoscale metal wires
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DOI：
10.1038/ncomms3522
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发表时间：
2013-09-01
影响因子：
16.6
通讯作者：
Cui, Yi
中科院分区：
文献类型：
--
作者：
Hsu, Po-Chun;Wang, Shuang;Cui, Yi
对于光电器件中的透明导电电极，薄层电阻和光学透射率是两个主要标准。近年来，金属纳米线由于具有低的薄层电阻和高的透射率而被证明是一种很有前途的透明导电电极。在这里，我们将一个介观尺度的金属线（1-5 μ m的直径）到金属纳米线透明导电电极，并证明在给定的透射率的薄层电阻至少一个数量级的减少。我们实验实现了高性能的中尺度和纳米尺度金属纳米线的混合，包括0.36 Ω sq（-1）的薄层电阻和92%的透射率。此外，介观尺度金属线被应用于宽范围的透明导电电极，包括导电聚合物和氧化物，具有高达几个数量级的改进。金属中间线可以通过静电纺丝方法合成，并且它们的普遍适用性为许多透明导电电极应用开辟了机会。
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 mu m 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 Omega 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.