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首页> 外文期刊>Advanced Functional Materials >Redox-lnduced Asymmetric Electrical Characteristics of Ferrocene-Alkanethiolate Molecular Devices on Rigid and Flexible Substrates
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Redox-lnduced Asymmetric Electrical Characteristics of Ferrocene-Alkanethiolate Molecular Devices on Rigid and Flexible Substrates

机译：在刚性和柔性基底上氧化还原诱导的二茂铁-烷硫醇盐分子器件的不对称电特性

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摘要

The electrical properties of ferrocene-alkanethiolate self-assembled mono-layers (SAMs) on a high yield solid-state device structure are investigated. The devices are fabricated using a conductive polymer interlayer between the top electrode and the SAM on both silicon-based rigid substrates and plastic-based flexible substrates. Asymmetric electrical transport characteristics that originate from the ferrocene moieties are observed. In particular, a distinctive temperature dependence of the current (i.e., a decrease in current density as temperature increases) at a large reverse bias, which is associated with the redox reaction of ferrocene groups in the molecular junction, is found. It is further demonstrated that the molecular devices can function on flexible substrates under various mechanical stress configurations with consistent electrical characteristics. This study enhances the understanding of asymmetric molecules and may lead to the development of functional molecular electronic devices on both rigid and flexible substrates.
机译：研究了二茂铁-链烷硫醇盐自组装单层（SAMs）在高产率固态器件结构上的电性能。器件是在硅基刚性基板和塑料基柔性基板上的顶部电极和SAM之间使用导电聚合物中间层制成的。观察到源自二茂铁部分的不对称电传输特性。特别地，发现了在大的反向偏压下电流的独特的温度依赖性（即，电流密度随着温度升高而降低），这与分子结中的二茂铁基团的氧化还原反应有关。进一步证明，分子装置可以在具有一致电特性的各种机械应力配置下在柔性基板上起作用。这项研究增强了对不对称分子的理解，并可能导致功能性分子电子器件在刚性和柔性衬底上的发展。

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  • 来源
    《Advanced Functional Materials》 |2014年第17期|2472-2480|共9页
  • 作者

    Hyunhak Jeong; Dongku Kim; Gunuk Wang; Sungjun Park; Hanki Lee; Kyungjune Cho; Wang-Taek Hwang; Myung-Han Yoon; Yun Hee Jang; Hyunwook Song; Dong Xiang; Takhee Lee;

  • 作者单位

    Department of Physics and Astronomy Seoul National University Seoul 151-747, Korea;

    Department of Physics and Astronomy Seoul National University Seoul 151-747, Korea;

    Department of Chemistry and the Smalley Institute for Nanoscale Science and Technology Rice University Houston, TX 77005, USA;

    Department of Chemistry and the Smalley Institute for Nanoscale Science and Technology Rice University Houston, TX 77005, USA;

    Department of Physics and Astronomy Seoul National University Seoul 151-747, Korea;

    Department of Physics and Astronomy Seoul National University Seoul 151-747, Korea;

    Department of Physics and Astronomy Seoul National University Seoul 151-747, Korea;

    Department of Chemistry and the Smalley Institute for Nanoscale Science and Technology Rice University Houston, TX 77005, USA;

    Department of Chemistry and the Smalley Institute for Nanoscale Science and Technology Rice University Houston, TX 77005, USA;

    Department of Applied Physics Kyung Hee University Yongin-si, Gyeonggi-do 446-701, Korea;

    Department of Physics and Astronomy Seoul National University Seoul 151-747, Korea;

    Department of Physics and Astronomy Seoul National University Seoul 151-747, Korea;

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