Novel Cyclohexylsilyl- or Phenylsilyl-Substituted Poly(<i>p</i>-phenylene vinylene)s via the Halogen Precursor Route and Gilch Polymerization
作者:Taek Ahn、Seung-Won Ko、Jaemin Lee、Hong-Ku Shim
DOI:10.1021/ma011618b
日期:2002.4.1
phenylsilyl-substituted poly(1,4-phenylene vinylene) (PPV) derivatives, poly[2,5-bis(dimethylcyclohexylsilyl)-1,4-phenylene vinylene] (BDMCyS−PPV), poly[2,5-bis(dimethylphenylsilyl)-1,4-phenylene vinylene] (BDMPS−PPV), poly[2-dimethylcyclohexylsilyl-1,4-phenylene vinylene] (DMCyS−PPV), and poly[2-dimethylphenylsilyl-1,4-phenylene vinylene] (DMPS−PPV), were synthesized via the bromine precursor route (BPR) and
新型环己基甲硅烷基或苯基甲硅烷基取代的聚(1,4-亚苯基亚乙烯基)(PPV)衍生物,聚[2,5-双(二甲基环己基甲硅烷基)-1,4-亚苯基亚乙烯基](BDMCyS-PPV),聚[2,5 -双(二甲基苯基甲硅烷基)-1,4-亚苯基亚乙烯基](BDMPS-PPV),聚[2-二甲基环己基甲硅烷基-1,4-亚苯基亚乙烯基](DMCyS-PPV)和聚[2-二甲基苯基甲硅烷基-1,4-亚苯基]亚乙烯基](DMPS-PPV),是通过溴前体路线(BPR)和Gilch脱卤化氢加成合成的。通过热转化由可溶性聚合物前体材料制成不溶性BDMCyS-PPV和BDMPS-PPV薄膜,并研究了这些薄膜的电子性能。单甲硅烷基取代的DMCyS-PPV和DMPS-PPV在共轭状态下表现出良好的溶解性,良好的成膜性和高分子量。而且,T g(DMCyS-PPV,125°C; DMPS-PPV,127°C)比其他PPV衍生物包括烷基甲硅烷基取代的PPV;