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首页> 外文期刊>ACS applied materials & interfaces >Silver Nanowire/Optical Adhesive Coatings as Transparent Electrodes for Flexible Electronics
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Silver Nanowire/Optical Adhesive Coatings as Transparent Electrodes for Flexible Electronics

机译：银纳米线/光学粘合剂涂层作为柔性电子的透明电极

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摘要

We present new flexible, transparent, and conductive coatings composed of an annealed silver nanowire network embedded in a polyurethane optical adhesive. These coatings can be applied to rigid glass substrates as well as to flexible polyethylene terephthalate (PET) plastic and elasto-meric polydimethylsiloxane (PDMS) substrates to produce highly flexible transparent conductive electrodes. The coatings are as conductive and transparent as indium tin oxide (ITO) films on glass, but they remain conductive at high bending strains and are more durable to marring and scratching than ITO. Coatings on PDMS withstand up to 76% tensile strain and 250 bending cycles of 15% strain with a negligible increase in electrical resistance. Since the silver nanowire network is embedded at the surface of the optical adhesive, these coatings also provide a smooth surface (root mean squared surface roughness <10 nm), making them suitable as transparent conducting electrodes in flexible light-emitting electrochemical cells. These devices continue to emit light even while being bent to radii as low as 1.5 mm and perform as well as unstrained devices after 20 bending cycles of 25% tensile strain.
机译：我们提出了一种新的柔性，透明和导电涂层，该涂层由嵌入在聚氨酯光学粘合剂中的退火银纳米线网络组成。这些涂层可以应用于硬质玻璃基板以及柔性聚对苯二甲酸乙二酯（PET）塑料和弹性聚二甲基硅氧烷（PDMS）基板，以生产高度柔性的透明导电电极。涂层的导电性和透明性与玻璃上的铟锡氧化物（ITO）膜一样，但它们在高弯曲应变下仍保持导电性，并且比ITO更加耐擦伤和刮擦。 PDMS上的涂层可承受76％的拉伸应变和250个15％应变的弯曲循环，而电阻的增加可忽略不计。由于银纳米线网络嵌入在光学粘合剂的表面，因此这些涂层还提供了光滑的表面（均方根表面粗糙度<10 nm），使其适合用作柔性发光电化学电池中的透明导电电极。这些设备即使在弯曲至半径低至1.5 mm时仍会继续发光，并且在经过20％的25％拉伸应变的弯曲循环后，其性能与未应变的设备一样。

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