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首页> 外文期刊>Advanced Functional Materials >Giant Photo-Magneto-Thermoelectric Effect of End-On Oriented PEDOT Grown from Self-Assembled 3D Tectons
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Giant Photo-Magneto-Thermoelectric Effect of End-On Oriented PEDOT Grown from Self-Assembled 3D Tectons

机译：从自组装3D构集生长的巨型光磁 - 热电效应

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摘要

Conductive polymers (CPs) are arranged in the end-on direction on graphene surfaces using 3D tectons of ZnPc assemblies, to control carrier transport from hot to cold via external magnetic fields. Poly(3,4-ethylenedioxythiophene)s doped with tosylate are synthesized using monomer seeds that are complexed through pyridine units to 3D tectons on graphene via surface-confined host-guest chemistry, to provide an end-on-oriented polymer film on graphene with a high degree of crystallinity. The film shows free-electron-like charge transport properties, with an enhanced Hall mobility, and an increased Seebeck coefficient compared to the CP on graphene that is prepared without 3D tectons. A magneto-thermoelectric (MTE) effect is reproducibly observed for the film device. Taking advantage of a large photothermal effect of the polymer film, a photon-mode MTE effect is demonstrated for the first time. Both dark and photo-MTE effects correlate well to the generated Lorentz force. These results provide a unique tool to program carrier transport in thin-film via external magnetic stimuli with a temperature gradient.
机译：导电聚合物（CPS）在使用ZnPC组件的3D构件的石墨烯表面上的端部方向上布置，以通过外部磁场控制从热到冷的载波运输。使用甲苯乙烯酯掺杂的聚（3,4-乙二氧基噻吩）S使用单体种子合成，所述单体种子通过吡啶单元络成到石墨烯上通过表面狭窄的宿主 - 客体化学络成3D构成，以在石墨烯上提供终面向聚合物膜高度的结晶度。该薄膜显示出自由的电子样电荷特性，具有增强的霍尔迁移率，与没有3D构造的石墨烯上的CP相比增加了塞贝克系数。薄膜装置可再现磁热电（MTE）效果。利用聚合物膜的较大的光热效果，首次对光子 - 模式MTE效果进行说明。黑暗和照片MTE效果都与生成的洛伦兹力相相关。这些结果提供了一种独特的工具，可以通过具有温度梯度的外部磁刺激来编程薄膜中的载体传输。

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  • 来源
    《Advanced Functional Materials》 |2021年第45期|2105297.1-2105297.12|共12页
  • 作者

    Kim Byeonggwan; Cho Cheolhyun; Han Minsu; Attias Andre-Jean; Kim Eunkyoung;

  • 作者单位

    Yonsei Univ Dept Chem & Biomol Engn 50 Yonsei Ro Seoul 03722 South Korea|Yonsei Univ Sorbonne Univ CNRS Bldg Blocks Future Elect Lab UMI 2002 50 Yonsei Ro Seoul 03722 South Korea;

    Yonsei Univ Dept Chem & Biomol Engn 50 Yonsei Ro Seoul 03722 South Korea;

    Yonsei Univ Dept Chem & Biomol Engn 50 Yonsei Ro Seoul 03722 South Korea;

    Yonsei Univ Sorbonne Univ CNRS Bldg Blocks Future Elect Lab UMI 2002 50 Yonsei Ro Seoul 03722 South Korea;

    Yonsei Univ Dept Chem & Biomol Engn 50 Yonsei Ro Seoul 03722 South Korea|Yonsei Univ Sorbonne Univ CNRS Bldg Blocks Future Elect Lab UMI 2002 50 Yonsei Ro Seoul 03722 South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    conductive polymers; end-on orientation; magneto-thermoelectric; photo-magneto-thermoelectric; self-assembly; tecton;

    机译：导电聚合物;端接方向;磁热电;光磁热电;自组装;构件;构图;

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