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Rubbing effect on surface morphology and thermoelectric properties of TTF-TCNQ thin films

机译:摩擦对TTF-TCNQ薄膜表面形貌和热电性能的影响

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摘要

Thin films of tetrathiofulvalene-tetracyanoquinodimethane (TTF-TCNQ), a typical organic material of charge transfer salts, were prepared on glass substrates by evaporation using TTF-TCNQ powder. The rubbing effect on the surface morphology and thermoelectric properties was studied. TTF-TCNQ films exhibited a bush-like disordered growth on the as-received glass substrate, whereas those on the rubbed glass substrate had extremely flat surfaces tiled with small rectangular TTF-TCNQ single crystals. Due to the ordered alignment of TTF-TCNQ tiles, improvement in the electrical conductivity and enhancement of the Seebeck coefficient were achieved.
机译:通过使用TTF-TCNQ粉末蒸发在玻璃基板上制备四硫富瓦烯-四氰基喹二甲烷(TTF-TCNQ)(一种典型的电荷转移盐有机材料)薄膜。研究了摩擦对表面形貌和热电性能的影响。 TTF-TCNQ薄膜在原样的玻璃基板上表现出灌木状的无序生长,而在摩擦玻璃基板上的薄膜具有平整的表面,上面铺有小的矩形TTF-TCNQ单晶。由于TTF-TCNQ瓷砖的排列有序,因此可以提高电导率并提高塞贝克系数。

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  • 来源
    《Applied Surface Science》 |2010年第14期|p.4554-4558|共5页
  • 作者单位

    Department of Applied Physics, Graduate School of Engineering, Tohoku University, 6-6-05, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan Department of Materials Technology and Economics, University of Technology of Troyes, 10010 Troyes Cedex, France;

    rnDepartment of Applied Physics, Graduate School of Engineering, Tohoku University, 6-6-05, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan;

    Department of Applied Physics, Graduate School of Engineering, Tohoku University, 6-6-05, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan;

    Department of Applied Physics, Graduate School of Engineering, Tohoku University, 6-6-05, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan;

    Department of Applied Physics, Graduate School of Engineering, Tohoku University, 6-6-05, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan;

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

    organic thin film; TTF-TCNQ; thermoelectric conversion; rubbing technique;

    机译:有机薄膜TTF-TCNQ;热电转换摩擦技术;

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