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Preparation of an EDOT-based polymer: optoelectronic properties and electrochromic device application

机译：编排基于原料的聚合物：光电性能和电致变色装置应用

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摘要

Here we present the synthesis, characterization and electropolymerization of a new EDOT-based monomer; 5,10-dihydrobenzo[f] thieno[3,4-b][1,4] dioxocine (DTD). Electrochemical polymerization of DTD was performed potentiostatically by using dichloromethane (DCM) as solvent and tetrabutylammonium hexafluorophosphate (TBPF6) as supporting electrolyte. Homopolymer [P(DTD)] films and copolymer [P(DTD-co-TPA)] films of DTD prepared by using 4-(2,5-di(thiophen-2-yl)-1Hpyrrole- 1-yl) butane-1-amine (TPA) were characterized via CV and UV-vis spectroscopy. Spectroelectrochemical analysis of P(DTD) revealed electronic transitions at 585 nm (pi-pi* transition) with an electronic band gap of 1.69 eV. Electrochromic studies revealed that P(DTD) has competitive properties to EDOT. Furthermore, a dual-type complementary colored polymer electrochromic device based on P(DTD) and P(TPA) was constructed in sandwich configuration. Spectroelectrochemical studies revealed that the oxidized state of the device shows a blue color whereas it is yellow in the reduced state. The maximum contrast (Delta% T) and switching time of the device were measured as 25.5% and 0.5 s for 385 nm and 21% and 1.0 s for 550 nm.
机译：在这里，我们介绍了一种新的基于食物的单体的合成，表征和电聚合; 5,10-二氢苯并[f] Thieno [3,4-b] [1,4]二氧杂志（DTD）。通过使用二氯甲烷（DCM）作为溶剂和四丁基六氟磷酸钠（TBPF6）作为支撑电解质来进行DTD的电化学聚合。均聚物[P（DTD）]膜和共聚物[P（DTD-CO-TPA）]通过使用4-（2,5-二（噻吩-2-基）-1H吡咯-1-基）制备的DTD薄膜 - 丁烷 - 通过CV和UV-Vis光谱表征1-胺（TPA）。 P（DTD）的光谱电化学分析显示了585nm（PI-PI *过渡）的电子转换，电子带隙为1.69eV。电致变色研究表明，P（DTD）对编码具有竞争性质。此外，基于P（DTD）和P（TPA）的双型互补颜色聚合物电致变色装置以夹层构造构建。光谱电化学研究表明，装置的氧化状态显示出蓝色，而在降低状态下是黄色的。将器件的最大对比度（Delta％T）和切换时间测量为385nm和0.5秒，为385nm，21％和1.0 s，为550nm。

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  • 来源
    《RSC Advances》 |2015年第4期|共10页
  • 作者

    Soganci Tugba; Kurtay Gulbin; Ak Metin; Gullu Mustafa;

  • 作者单位

    Pamukkale Univ Fac Art &

    Sci Dept Chem Denizli Turkey;

    Ankara Univ Dept Chem Fac Sci TR-06100 Ankara Turkey;

    Pamukkale Univ Fac Art &

    Sci Dept Chem Denizli Turkey;

    Ankara Univ Dept Chem Fac Sci TR-06100 Ankara Turkey;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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