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首页> 外文期刊>Advanced energy materials >Highly Stable Transparent Conductive Silver Grid/PEDOT:PSS Electrodes for Integrated Bifunctional Flexible Electrochromic Supercapacitors
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Highly Stable Transparent Conductive Silver Grid/PEDOT:PSS Electrodes for Integrated Bifunctional Flexible Electrochromic Supercapacitors

机译：高度稳定的透明导电银网/ PEDOT：用于集成的双功能柔性电致变色超级电容器的PSS电极

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摘要

Silver grids are attractive for replacing indium tin oxide as flexible transparent conductors. This work aims to improve the electrochemical stability of silver-based transparent conductors. A silver grid/PEDOT:PSS hybrid film with high conductivity and excellent stability is successfully fabricated. Its functionality for flexible electrochromic applications is demonstrated by coating one layer of WO3 nanoparticles on the silver grid/PEDOT:PSS hybrid film. This hybrid structure presents a large optical modulation of 81.9% at 633 nm, fast switching, and high coloration efficiency (124.5 cm(2) C-1). More importantly, an excellent electrochemical cycling stability (sustaining 79.1% of their initial transmittance modulation after 1000 cycles) and remarkable mechanical flexibility (optical modulation decay of only 7.5% after 1200 compressive bending cycles) is achieved. A novel smart supercapacitor is presented that functions as a regular energy-storage device and simultaneously monitors the level of stored energy by a rapid and reversible color variation even at high current charge/discharge conditions. The film sustains an optical modulation of 87.7% and a specific capacitance of 67.2% at 10 A g(-1) compared to their initial value at a current density of 1 A g(-1). The high-performance silver grid/PEDOT:PSS hybrid transparent films exhibit promising features for various emerging flexible electronics and optoelectronic devices.
机译：银色栅格对于更换氧化铟锡作为柔性透明导体是有吸引力的。这项工作旨在提高银基透明导体的电化学稳定性。银栅/转型：PSS杂种膜具有高导电性和优异稳定性。通过在银栅/转型上涂覆一层WO3纳米颗粒来证明其具有柔性电致变色应用的功能：PSS杂化膜。该混合结构具有633nm，快速切换和高着色效率（124.5cm（2）c-1）的大光调制为81.9％。更重要的是，实现了优异的电化学循环稳定性（在1000次循环后维持79.1％的初始透射率调制）和显着的机械柔性（在1200次压缩弯曲循环后的光调制衰减仅为7.5％）。提出了一种新颖的智能超级电容器，其用作常规能量存储装置，并且即使在高电流充电/放电条件下也可以通过快速和可逆的颜色变化同时监视存储的能量水平。与它们的初始密度为1Ag（-1）的初始值相比，该膜维持87.7％的光学调节87.7％，比67.2％的特定电容为67.2％。高性能银电网/转型：PSS混合透明薄膜对各种新兴柔性电子和光电器件具有有希望的特征。

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  • 来源
    《Advanced energy materials》 |2016年第4期|1501882.1-1501882.8|共8页
  • 作者

    Cai Guofa; Darmawan Peter; Cui Mengqi; Wang Jiangxin; Chen Jingwei; Magdassi Shlomo; Lee Pooi See;

  • 作者单位

    Nanyang Technol Univ Sch Mat Sci & Engn 50 Nanyang Ave Singapore 639798 Singapore;

    Nanyang Technol Univ Sch Mat Sci & Engn 50 Nanyang Ave Singapore 639798 Singapore;

    Nanyang Technol Univ Sch Mat Sci & Engn 50 Nanyang Ave Singapore 639798 Singapore;

    Nanyang Technol Univ Sch Mat Sci & Engn 50 Nanyang Ave Singapore 639798 Singapore;

    Nanyang Technol Univ Sch Mat Sci & Engn 50 Nanyang Ave Singapore 639798 Singapore;

    Hebrew Univ Jerusalem Inst Chem IL-91904 Jerusalem Israel|Hebrew Univ Jerusalem Ctr Nanosci & Nanotechnol IL-91904 Jerusalem Israel;

    Nanyang Technol Univ Sch Mat Sci & Engn 50 Nanyang Ave Singapore 639798 Singapore;

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  • 正文语种 eng
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  • 关键词

    supercapacitors; flexible electrodes; transparent electrodes; energy storage; silver grids;

    机译：超级电容器;柔性电极;透明电极;能量存储;银网;

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