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Design of triphenylamine appended anthracene derivatives: electro-polymerization and their electro-chromic behaviour

机译：三苯胺的设计含有蒽衍生物：电聚合及其电铬行为

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摘要

Three derivatives (2-TPACNANT, 2,6-TPACNANT and 2,6-TPAANT) of anthracene as a core interior with terminal one or two triphenylamine sides have been designed and synthesized with the aim of obtaining terminal active sites for the purpose of electrochemical polymerization. Electro-deposited polymer films of p-2,6-TPACNANT and p-2,6-TPAANT on ITO/glass electrodes have been obtained within the voltage range from 0 to 1.6 V by repeating cyclic voltammetry (CV) scanning of constant monomer solutions in an electrolyte. The film thickness is easily tuned by controlling the number of the CV scans. Interestingly, these electrogenerated polymer films reveal the reversible electrochemical responses and distinguishable colour changes upon electro-oxidation, which is switched many times by potential modulation. Spectroelectrochemical studies of the electrochromic films on ITO have indicated two colour electrochromism of p-2,6-TPAANT (brick red-dark blue) and p-2,6-TPACNANT (orange-dark blue) with a high colour contrast ratio (Delta T) 87% at 770 nm for p-2,6-TPAANT and 86% at 800 nm for p2,6-TPACNANT, respectively. These polymer films have the faster response time (1.2-1.3 s) and high colouration efficiency (200-222 cm(2) C-1). A hand made and simple module has been fabricated in a solidified device composed of the electrodeposited polymers, a pair of ITO electrodes, and a polymer-supported electrolyte to show the potential of using these novel anthracene derivatives as electrochromic materials.
机译：作为核心内部的三种衍生物（2-Tpacnant，2,6-Tpacnant和2,6-TPaant）设计并合成了一种或两个三苯胺侧面的核心内部，以获得电化学目的的终端活性位点聚合。通过重复恒定单体溶液的循环伏安法（CV）扫描，在0至1.6V的电压范围内得到电沉积的P-2,6-Tpacnant和P-2,6-TPaant的P-2,6-TPAANt在电解质中。通过控制CV扫描的数量，容易调谐膜厚度。有趣的是，这些电流聚合物膜揭示了可逆电化学响应和在电氧化时改变的可区分颜色，这通过电位调节切换多次。 ITO电致变色薄膜的光谱电化学研究表明了具有高色对比比的P-2,6-TPAANT（砖红暗蓝色）和P-2,6-Tpacnant（橙色暗蓝色）的两种颜色电致变量（Delta对于P-2,6-TPAANt的770nm，P-2,6-TPAANt的87％分别为86％，P2,6-Tpacnant分别为86％。这些聚合物薄膜具有更快的响应时间（1.2-1.3 s）和高调位效率（200-222cm（2）c-1）。制造和简单的模块已经在由电沉积的聚合物，一对ITO电极组成的固化装置中制造，以及聚合物支持的电解质，以显示使用这些新的蒽衍生物作为电致变色材料的电位。

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  • 来源
    《RSC Advances》 |2016年第85期|共10页
  • 作者

    Santra Dines Chandra; Mondal Sanoy; Malik Sudip;

  • 作者单位

    Indian Assoc Cultivat Sci Polymer Sci Unit 2A &

    2B Raja SC Mullick Rd Kolkata 700032 W Bengal India;

    Indian Assoc Cultivat Sci Polymer Sci Unit 2A &

    2B Raja SC Mullick Rd Kolkata 700032 W Bengal India;

    Indian Assoc Cultivat Sci Polymer Sci Unit 2A &

    2B Raja SC Mullick Rd Kolkata 700032 W Bengal India;

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  • 正文语种 eng
  • 中图分类 化学;
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