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Synthesis and characterization of a novel side-chain liquid crystalline poly (p-phenylenevinylene)

机译:新型侧链液晶聚(对苯乙烯)的合成与表征

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We describe the synthesis of soluble liquid crystalline poly (p-phenylenevinylene)s with cyanobiphenyl as the mesogenic group linked to the vinylene group via a flexible alkyl chain. The polymers were well characterized by spectroscopic methods (NMR, IR, UV-Vis, photoluminescence (PL) and showed PL emission of green light with a maximum around 540 nm. Polarized UV-Vis spectroscopy of polymer films prepared on oriented substrates indicated a high orientation of the backbone and mesogenic units.
机译:我们描述了通过柔性烷基链连接到亚乙烯基与亚乙烯基连接的脱硅酸的可溶性液晶聚(对苯基乙烯乙烯)S的合成。 通过光谱法(NMR,IR,UV-Vis,光致发光(PL)表征良好的特征,并显示出最大约540nm的绿光的PL发射。在取向基板上制备的聚合物膜的偏振UV-Vis光谱表示高 骨干和介性单位的定向。

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