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A new electrochromic copolymer which switched between neutral black and oxidized transmissive

机译：一种新的电致变色共聚物，其在中性黑色和氧化透射型之间切换

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摘要

In this study, two monomers, 4,7-bis(2,3-dihydrothieno[3,4-b][1,4]dio-xin-5-yl)-2-dodecyl-2H-benzo [1,2,3]triazole (M1) and 2,3-di(5-methylfuran-2-yl)-5,8-bis(2-(3,4-ethylenedioxythiophene))quinoxaline (M2), were used for the preparation of a neutral black polymer. A black polymer P(1-co-2) was successfully achieved by the electrochemical copolymerization of the two monomers with a feed ratio of 1 : 1, and then the obtained polymer was well characterized. P(1-co-1) has a wide range of absorption in the range of 400-800 nm, which makes the polymer exhibit a deep black color in the neutral state, and a transmissive light gray color could be obtained in the oxidized state. The polymer has a low band gap of 1.20 eV. Besides, a high coloration efficiency, a fast response time, as well as high transmittance changes (more than 78%) in the near-IR region were also found with this polymer, which suggested that the polymer might be a feasible candidate for the fabrication of electrochromic devices.
机译：在该研究中，两种单体，4,7-双（2,3-二氢噻吩[3,4-B] [1,4] DiO-Xin-5-Y1）-2-十二烷基-2H-苯并[1,2 3]三唑（M1）和2,3-DI（5-甲基呋喃-2-基）-5,8-双（2-（3,4-亚乙二氧基噻吩））喹喔啉（M2）用于制备中性黑色聚合物。通过具有1：1的进给比的两种单体的电化学共聚成功实现了黑聚合物P（1-CO-2），然后得到了所得聚合物的特征。 P（1-Co-1）在400-800nm的范围内具有宽范围的吸收，这使得聚合物在中性状态下表现出深黑色，并且可以在氧化状态下获得透射浅灰色颜色。聚合物具有1.20 eV的低带隙。此外，该聚合物还发现了近红外地区的高着色效率，快速响应时间以及高透射率变化（超过78％），这表明聚合物可能是制造的可行候选者电致变色装置。

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  • 来源
    《RSC Advances》 |2016年第83期|共9页
  • 作者

    Wang Chunlei; Wang Min; Zhang Yan; Zhao Jinsheng; Fu Chonggang;

  • 作者单位

    Liaocheng Univ Shandong Key Lab Chem Energy Storage &

    Novel Cell Liaocheng 252059 Peoples R China;

    Liaocheng Peoples Hosp Liaocheng 252000 Peoples R China;

    Liaocheng Peoples Hosp Liaocheng 252000 Peoples R China;

    Liaocheng Univ Shandong Key Lab Chem Energy Storage &

    Novel Cell Liaocheng 252059 Peoples R China;

    Liaocheng Univ Shandong Key Lab Chem Energy Storage &

    Novel Cell Liaocheng 252059 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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