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Synthesis and properties of poly(arylene vinylene)s with controlled structures

机译：受控结构聚芳撑亚乙烯基的合成与性能

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Poly(arylene vinylene)s (PAVs) have attracted interest as the light emitting layer in LEDs. Such polymers may be made by several routes. We have used McMurry, Yamamoto and Suzuki methodologies to make different PAVs. We synthesised polymers with para and also with meta linkages between phenylene and vinylene groups in an attempt to increase the energy gap and to shift the light emitting wavelength towards the blue region. The number and geometrical connectivities of the phenylenes constituting the arylene portion of the repeat unit and the cis/trans distribution have been varied in a controlled way. Relatively high molecular weight samples were produced by equilibrium fractionation. Results correlating the details of polymer structure with the observed photoluminescence are discussed.
机译：聚（亚芳基亚乙烯基）（PAV）作为LED中的发光层引起了人们的兴趣。这样的聚合物可以通过几种途径来制备。我们已经使用McMurry，Yamamoto和Suzuki方法来制作不同的PAV。我们合成了具有对位以及亚苯基和亚乙烯基之间具有间键的聚合物，以试图增加能隙并将发光波长移向蓝色区域。构成重复单元的亚芳基部分的亚苯基的数目和几何连接性以及顺式/反式分布已经以受控方式变化。通过平衡分馏产生相对高分子量的样品。讨论了将聚合物结构的细节与观察到的光致发光相关的结果。

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