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首页> 外文期刊>ACS applied materials & interfaces >Rectification Behavior on Polyelectrolyte-Modified Flexible ITO Electrode via Ionic Charge-Selective Electron Transfer
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Rectification Behavior on Polyelectrolyte-Modified Flexible ITO Electrode via Ionic Charge-Selective Electron Transfer

机译：通过离子电荷选择性电子转移在聚电解质改性柔性ITO电极上的整流行为

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摘要

New types of diodes, such as molecular and ionic diodes, have drawn considerable attention because of their advantages from the viewpoint of potential applications such as the downscaling of electronic devices, ionic circuits, and biological systems. Researchers are motivated to develop a simple, scalable, and promising system that can overcome the existing limitations because this can enable their application in various devices. This study proposes a system that not only integrates the advantages of ionic and single-molecule diodes but also avoids their disadvantages, denoting the rectification behavior due to ionic charge-selective electron transfer between two redox species, i.e., Fe(CN)_(6)~(3–) and Ru(NH_(3))_(6)~(3+), on the polyelectrolyte multilayer (PEM)-modified flexible indium tin oxide (ITO) electrodes. Flexible current rectification devices were easily prepared by sandwiching an electrolytic solution of ionic redox species using bare and PEM-modified plastic ITO electrodes. An ionic bilayer was initially formed via Coulombic interactions on a PEM-modified charge-selective ITO surface. The ionic bilayer was analogous to a conventional single-molecule diode’s monolayer with consecutive molecular orbitals of two ionic redox species. Furthermore, the rectification ratio (RR) was increased from ～6 to ～10 using a conducting polymer to construct PEMs.
机译：新型二极管，如分子和离子二极管，由于它们从诸如电子设备，离子电路和生物系统的次规的潜在应用的观点来看，因此具有相当大的关注。研究人员有动力开发一种简单，可扩展和有希望的系统，可以克服现有的限制，因为这可以使其在各种设备中的应用。本研究提出了一种系统，不仅是离子和单分子二极管的优点，还避免了它们的缺点，表示由于两种氧化还原物种之间的离子电荷选择性电子转移，即Fe（CN）_（6 ）〜（3-）和Ru（NH_（3））_（6）〜（3+），在聚电解质多层（PEM） - 透过氧化铟锡（ITO）电极上。通过使用裸露的和PEM改性的塑料ITO电极夹选离子氧化还原物种的电解液，容易制备柔性电流整流装置。最初通过对PEM改性电荷选择性ITO表面上的Coulombic相互作用形成离子双层。离子双层组类似于常规的单分子二极管的单层，其具有两种离子氧化还原物种的连续分子轨道。此外，使用导电聚合物从〜6至〜10增加整流比（RR）以构建PEM。

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  • 来源
    《ACS applied materials & interfaces》 |2019年第44期|共5页
  • 作者

    Bingchen Li; Xuxian Zhao; Zhe Sun; Song Xue; Gangri Cai; Sung-Hwan Han;

  • 作者单位

    Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion Department of Applied Chemistry Tianjin University of Technology;

    Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion Department of Applied Chemistry Tianjin University of Technology;

    Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion Department of Applied Chemistry Tianjin University of Technology;

    Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion Department of Applied Chemistry Tianjin University of Technology;

    Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion Department of Applied Chemistry Tianjin University of Technology;

    Department of Chemistry Hanyang University;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    current rectification; direct electron transfer; charge-selective electrode; ionic redox species; flexible;

    机译：电流整流;直接电子转移;电荷选择性电极;离子氧化还原物种;灵活;

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