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首页> 外文期刊>RSC Advances >Flexible silver-mesh electrodes with moth-eye nanostructures for transmittance enhancement by double-sided roll-to-roll nanoimprint lithography
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Flexible silver-mesh electrodes with moth-eye nanostructures for transmittance enhancement by double-sided roll-to-roll nanoimprint lithography

机译：柔性银网电极，具有蛾眼纳米结构，采用双面轧辊纳米压印光刻透射增强

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摘要

Transparent conductive electrodes (TCEs) are an essential component in modern optoelectronic devices, such as touch panels, LCDs, OLEDs, and solar cells. Indium tin oxide (ITO), due to low sheet resistance and high transmittance, is still the dominant material for TCEs. However, its brittle nature and high cost hinder its future application in flexible devices, e.g., flexible displays, thin film solar cells, E-paper. Recently, patterned Ag-meshes have attracted wide attention from both academia and industry due to their excellent conductivity. Nevertheless, the transmittance is determined by gap area and restricts the further improvement of conductivity. This study proposes a novel approach to enhance the transmittance of Ag-mesh electrodes by moth-eye nanostructures which can be fabricated by double-sided roll-to-roll (R2R) nanoimprint lithography (NIL) simultaneously. Nickel mold and Anodic Aluminum Oxide (AAO) mold are developed for Ag-mesh girds and moth-eye nanostructures, respectively. A double-sided R2R NIL system is established and the novel Ag-mesh electrodes with moth-eye nanostructures have been fabricated. Sheet resistance, transmittance and flexibility performance have been evaluated systematically. An increase of 4.5% in transmittance has been achieved at a wavelength of 550 nm while remaining the sheet resistance at 22.8 +/- 1.3 U sq(-1). This research might provide a new approach for the large-scale and high through-output fabrication of high-transparency flexible Ag-mesh electrodes.
机译：透明导电电极（TCES）是现代光电器件中的必需组件，例如触摸板，LCD，OLED和太阳能电池。由于低薄层电阻和高透射率，氧化铟锡（ITO）仍然是TCES的主要材料。然而，其脆性性质和高成本阻碍了其在柔性器件中的未来应用，例如柔性显示器，薄膜太阳能电池，电子纸。最近，由于其优异的导电性，图案化的AG-网格引起了学术界和工业的广泛关注。然而，透射率由间隙区域确定并限制导电性的进一步提高。本研究提出了一种新的方法来增强蛾眼纳米结构的Ag-网电极的透射率，其可以通过双面卷 - 卷（R2R）纳米视液相制（NIL）来制造。镍模具和阳极氧化铝（AAO）模具分别用于Ag-Mesh Girds和Moth-Eyn纳米结构。建立了双面R2R NIL系统，并制造了具有蛾眼纳米结构的新型AG-网状电极。薄层电阻，透射率和灵活性已经过系统地进行了评估。在550nm的波长下，在550nm的波长下实现了4.5％，同时留下22.8 +/- 1.3 U Sq（-1）的薄层电阻。该研究可以为高透明度柔性Ag-网电极的大规模和高通量制造提供一种新方法。

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  • 来源
    《RSC Advances》 |2017年第77期|共6页
  • 作者

    Yi Peiyun; Zhang Chengpeng; Peng Linfa; Lai Xinmin;

  • 作者单位

    Shanghai Jiao Tong Univ State Key Lab Mech Syst &

    Vibrat Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ State Key Lab Mech Syst &

    Vibrat Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ State Key Lab Mech Syst &

    Vibrat Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ State Key Lab Mech Syst &

    Vibrat Shanghai 200240 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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