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Highly flexible touch screen panel fabricated with silver-inserted transparent ITO triple-layer structures

机译：具有银插入透明ITO三层结构的高度灵活的触摸屏面板

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摘要

A flexible and transparent amorphous-indium tin oxide/silver/crystalline-indium tin oxide (a-ITO/Ag/c-ITO) triple-layer structure was prepared as an electrode for capacitive-type touch screen panels (TSPs). A very thin metal film of silver (Ag) was inserted between two ITO layers, and the triple-layer structures were deposited on a colorless polyimide (CPI) substrate by a sputtering method. It was found that the tunable electrical and optical properties of the a-ITO/Ag/c-ITO triple-layer structures were critically affected by the thickness of the inserted Ag layer. The optimized flexible a-ITO/Ag/c-ITO triple-layer structure has low sheet resistance, high optical transmittance, and low surface roughness. In addition, during the 30 000 bending cycles, the resistance change (Delta R) of the flexible a-ITO/Ag/c-ITO triple-layer structure was 4.12%. For environmental reliability, the Delta R values of the flexible a-ITO/Ag/c-ITO triple-layer structure were 2.86% and 0.96% at the environmental temperature of 80 degrees C-50% and -40 degrees C, respectively. The above results indicate that the a-ITO/Ag/c-ITO triple-layer structure can be utilized to construct a promising TCO electrode. Finally, flexible and foldable capacitive-type TSPs were fabricated with multiple touch points using the a-ITO/Ag/c-ITO triple-layer electrode.
机译：柔性且透明的无定形的氧化铟锡/银/结晶-铟锡氧化物（A-ITO /银/ C-ITO）三层结构制备用于电容型触摸屏面板（TSP的）的电极。银（Ag）非常薄的金属膜，插入在两个ITO层之间，并通过溅射法被沉积为无色聚酰亚胺（CPI）基板上的三层结构。据发现，在a-ITO /银/ C-ITO三层结构的可调谐的电学和光学性能进行了严重影响由插入的Ag层的厚度。优化的柔性一个-ITO /银/ C-ITO三层结构具有低的薄层电阻，高光透射率和低的表面粗糙度。此外，30个000弯曲循环期间，所述柔性一个-ITO /银/ C-ITO三层结构的电阻变化（德尔塔R）为4.12％。对于环境可靠性，柔性一个-ITO /银/ C-ITO三层结构的德尔塔的R值，分别为2.86％和0.96％，在80度的C-50％和-40摄氏度环境温度。上述结果表明，在a-ITO /银/ C-ITO三层结构可用于构造一个有前途的TCO电极。最后，柔性和可折叠的电容型的TSP用使用a-ITO /银/ C-ITO三层电极多个触摸点制成。

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  • 来源
    《RSC Advances》 |2018年第22期|共9页
  • 作者

    Wu Chia-Ching;

  • 作者单位

    Natl Taitung Univ Dept Appl Sci Taitung Taiwan Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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