高等学校化学学报 ›› 2013, Vol. 34 ›› Issue (6): 1560.doi: 10.7503/cjcu20120930

• 高分子化学 • 上一篇    

水溶性共轭聚电解质的制备及在有机电致变色器件中的应用

胡建华1,2, 尹斌斌1, 包祥俊1, 钟一平1, 刘平1, 邓文基3   

  1. 1. 发光材料与器件国家重点实验室, 华南理工大学材料科学研究所, 广州 510640;
    2. 广东时利和汽车实业集团有限公司, 佛山 528222;
    3. 华南理工大学应用物理系, 广州 510640
  • 收稿日期:2012-10-15 出版日期:2013-06-10 发布日期:2013-03-19
  • 通讯作者: 刘平,男,博士,教授,博士生导师,主要从事有机/高分子材料研究.E-mail:mcpliu@scut.edu.cn E-mail:mcpliu@scut.edu.cn
  • 基金资助:

    国家自然科学基金(批准号: 20674022, 20774031, 21074039)、 教育部博士点基金(批准号: 20090172110011)和广东省科技计划项目(批准号: 2006A10702003, 2009B090300025, 2010A090100001)资助.

Preparation of Water Soluble Conjugate Polyelectrolyte and Application in Organic Electrochromic Devices

HU Jian-Hua1,2, YIN Bin-Bin1, BAO Xiang-Jun1, ZHONG Yi-Ping1, LIU Ping1, DENG Wen-Ji3   

  1. 1. State Key Laboratory of Luminescent Materials and Devices, Research Institute of Materials Science, South China University of Technology, Guangzhou 510640, China;
    2. Guangdong TGPM Automotive Industry Group Co., Ltd., Foshan 528222, China;
    3. Department of Applied Physics, South China University of Technology, Guangzhou 510640, China
  • Received:2012-10-15 Online:2013-06-10 Published:2013-03-19

摘要:

制备了聚噻吩电解质聚[3-(1'-丙氧基-3'-磺酸)噻吩](PTH-n3-SO3H). 以铂线和ITO玻璃作为电极, PTH-n3-SO3H的水溶液作为支持电解质, 分别以齐聚噻吩衍生物5,5"'-双醛基-2,2': 5',2": 5",2"'-四噻吩(4T-2CHO)和5,5"'-双氰基-2,2': 5',2": 5",2"'-四噻吩(4T-2CN)薄膜作为电致变色活性层, 组装了有机电致变色器件. 研究了4T-2CHO和4T-2CN的电致变色性能, 同时考察了PTH-n3-SO3H水溶液作为支持电解质在有机电致变色器件中的应用. 研究发现, 当进行电化学掺杂和去掺杂时, 4T-2CHO膜发生从黄色到蓝绿色的可逆变化, 4T-2CN膜发生从淡黄色到蓝色的可逆变化. 结果表明, PTH-n3-SO3H水溶液可以作为支持电解质用于有机电致变色器件.

关键词: 聚噻吩电解质, 齐聚噻吩衍生物, 有机电致变色器件

Abstract:

The water-soluble polythiophene electroyte, poly[3-(1'-propyloxy-3'-acid sulfonate) thiophene](PTH-n3-SO3H), was prepared. Its application as electroyte in organic electrochromic devices was investigated. 5,5"'-diformyl-2,2': 5',2": 5",2"'-tetrathiophene(4T-2CHO) and 5,5"'-dicyane-2,2': 5',2": 5",2"'-tetrathiophene(4T-2CN) films showed reversible, clear color changes in PTH-n3-SO3H aqueous solution. When the voltage were applied between the ITO working electrode and the platinum wire counter electrode, the 4T-2CHO film showed reversible, clear color changes from yellow to blue-green, while the 4T-2CN film showed reversible, clear color changes from light yellow to blue. The results also indicate that PTH-n3-SO3H can be used as electroyte in organic electrochromic devices.

Key words: Polythiophene electrolyte, Oligithiophene derivative, Organic electrochromic device

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