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首页> 外文期刊>Applied Surface Science >The effect of tannic acids on the electrical conductivity of PEDOT: PSS Films
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The effect of tannic acids on the electrical conductivity of PEDOT: PSS Films

机译：单宁酸对PEDOT：PSS薄膜电导率的影响

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摘要

Conductive poly(ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) films with good transparency and great flexibility are highly demanded in various areas. A facile method is employed to produce conductive films with UV-blocking properties. The direct addition of tannic acids (TAs) powders into PEDOT:PSS aqueous suspension lead to the enhancement of electrical conductivity of TA:PEDOT:PSS (TAPE) films. This improvement owes to the conformation change of the PEDOT chains from benzoid to quinoid configuration. Further investigations revealed the absence of phase separation in the highest conductive TAPE film. TAPE films are smoother and thicker than the pristine PEDOT:PSS film owing to the high density and good solubility of TAs. The absorbance increases with the increase of the TA content in TAPE films. The core levels of oxygen and sulfur atoms in PEDOT and PSS have been studied, which illustrate the composition of TAPE films. (C) 2018 Elsevier B.V. All rights reserved.
机译：在各个领域中都强烈要求具有良好的透明性和柔韧性的导电聚（乙撑二氧噻吩）：聚苯乙烯磺酸盐（PEDOT：PSS）薄膜。采用一种简便的方法来生产具有防紫外线性能的导电膜。将单宁酸（TAs）粉末直接添加到PEDOT：PSS水性悬浮液中可提高TA：PEDOT：PSS（TAPE）薄膜的电导率。这种改进归因于PEDOT链的构象从苯甲酸酯构型变为醌型构型。进一步的研究表明，在导电性最高的TAPE膜中不存在相分离。由于TAs的高密度和良好的溶解性，TAPE膜比原始的PEDOT：PSS膜更光滑，更厚。吸光度随TAPE膜中TA含量的增加而增加。研究了PEDOT和PSS中氧和硫原子的核心水平，这说明了TAPE膜的组成。 （C）2018 Elsevier B.V.保留所有权利。

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  • 来源
    《Applied Surface Science》 |2018年第1期|583-588|共6页
  • 作者

    Yi Zhihui; Zhao Yongbiao; Li Peicheng; Ho Kevin; Blozowski Nykola; Walker Gilbert; Jaffer Shaffiq; Tjong Jimi; Sain Mohini; Lu Zhenghong;

  • 作者单位

    Univ Toronto, Fac Forestry, Ctr Biocomposites & Biomat Proc, Toronto, ON M5S 3B3, Canada;

    Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada;

    Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada;

    Univ Toronto, Dept Chem, Toronto, ON M5S 3H6, Canada;

    Univ Toronto, Fac Forestry, Ctr Biocomposites & Biomat Proc, Toronto, ON M5S 3B3, Canada;

    Univ Toronto, Dept Chem, Toronto, ON M5S 3H6, Canada;

    Univ Toronto, Fac Forestry, Ctr Biocomposites & Biomat Proc, Toronto, ON M5S 3B3, Canada;

    Univ Toronto, Fac Forestry, Ctr Biocomposites & Biomat Proc, Toronto, ON M5S 3B3, Canada;

    Univ Toronto, Fac Forestry, Ctr Biocomposites & Biomat Proc, Toronto, ON M5S 3B3, Canada;

    Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada;

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

    Conductivity; Conformation change; Phase separation; Core level; PEDOT:PSS; Tannic acid;

    机译：电导率;构象变化;相分离;核能级;PEDOT：PSS;鞣酸;

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