Photoinduced cationic polycondensation in solid state towards ultralow band gap conjugated polymers
作者:Xunshan Liu、Valerii Sharapov、Zhen Zhang、Forwood Wiser、Mohammad Ahmad Awais、Luping Yu
DOI:10.1039/d0tc01257b
日期:——
A photoinduced cationic polycondensation towards the synthesis of a thieno[3,4-b]thiophene (TT) based homopolymer PTT-L was described. The reaction mechanism was investigated by employing a series of control experiments. It was found that the polymerization initiated with a light-induced radical formation, followed by a cationic propagation, all in solid state, at room temperature, and without any
描述了光致阳离子缩聚反应合成基于噻吩并[3,4- b ]噻吩(TT)的均聚物PTT-L。通过一系列对照实验研究了反应机理。发现在室温下,在没有任何催化剂或溶剂的情况下,聚合以光诱导的自由基形成开始,随后以固体形式全部进行阳离子传播。此外,通过Kumada催化剂转移缩聚(KCTP)合成了参考聚合物(PTT-Ni),以帮助聚合物PTT-L的结构表征。结果表明两种聚合物都表现出类似的光学,热,电化学和电性能。该聚合过程可用作形成图案化的PTT-L膜的手段。