Chinese Journal of Organic Chemistry ›› 2020, Vol. 40 ›› Issue (8): 2513-2519.DOI: 10.6023/cjoc202001027 Previous Articles     Next Articles


汪文源a,b, 陈洪进a, 张纲a, 张蕤a,b, 刘建a,b,c   

  1. a 南京林业大学化学工程学院 江苏省生物质绿色燃料与化学品重点实验室 南京 210037;
    b 江苏省林业资源高效加工利用协同创新中心 南京 210037;
    c 江苏省生物质能源与材料重点实验室 南京 210037
  • 收稿日期:2020-01-18 修回日期:2020-05-21 发布日期:2020-06-10
  • 通讯作者: 张蕤, 刘建;
  • 基金资助:

Synthesis and Properties of Donor-Acceptor Type Electrochromic Materials Based on Triphenylamine and Quinoxaline

Wang Wenyuana,b, Chen Hongjina, Zhang Ganga, Zhang Ruia,b, Liu Jiana,b,c   

  1. a College of Chemical Engineering, Jiangsu Key Laboratory of Biomass-Based Green Fuels and Chemicals, Nanjing Forestry University, Nanjing 210037;
    b Jiangsu Co-innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210037;
    c Jiangsu Key Laboratory of Biomass Energy and Materials, Nanjing 210037
  • Received:2020-01-18 Revised:2020-05-21 Published:2020-06-10
  • Supported by:
    Project supported by the Open Funding of Jiangsu Key Laboratory of Biomass Energy and Materials (No. JSBEM202014), the Natural Science Foundation of Jiangsu Province (No. BK20191385) and the High Level Talent Project of Nanjing Forestry University (No. GXL2018003).

Recently, electrochromic devices based on donor-acceptor (D-A) type conjugated polymers have received great attention, owing to their fast response rate, tunable color, good cycle stability, and so on. Two novel donor-acceptor-donor (D-A-D) type monomers N-(4-(5-(4-(diphenylamino)phenyl)-2,3-dimethylquinoxalin-8-yl)phenyl)-N-phenylbenzenamine (Q1) and N-(4-(6-(4-(diphenylamino)phenyl)-1,2,3,4-tetrahydrophenazin-9-yl)phenyl)-N-phenylbenzenamine (Q2) using triphenylamine as electron donor and quinoxaline-based moiety as electron acceptors were designed, which were further electrochemical polymerized to prepare D-A type electrochromic polymers poly(N-(4-(5-(4-(diphenylamino)phenyl)-2,3-dimethyl-quinoxalin-8-yl)phenyl)-N-phenylbenzenamine) (PQ1) and poly(N-(4-(6-(4-(diphenylamino)phenyl)-1,2,3,4-tetrahydrophe-nazin-9-yl)phenyl)-N-phenylbenzenamine) (PQ2), respectively. The as-prepared D-A type polymers exhibited pale yellow in the neutral state, and multicolor change with the increase of the applied potentials. These novel electrochromic materials showed fast switch rate, good cycle stability as well as good coloration efficiency. Moreover, the highest contrast ratio of both exceeded 70% around 780 nm, which guaranteed their potential practical applications.

Key words: donor-acceptor (D-A) type, triphenylamine, quinoxaline, electrochemical polymerization, electrochromic