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首页> 外文期刊>RSC Advances >An easily functionalizable oligo(oxyethylene)- and ester-substituted poly(3,4-propylenedioxythiophene) derivative exhibiting alkali metal ion response
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An easily functionalizable oligo(oxyethylene)- and ester-substituted poly(3,4-propylenedioxythiophene) derivative exhibiting alkali metal ion response

机译：具有碱金属离子响应的易于官能化的低聚（氧乙烯）-和酯取代的聚（3,4-丙烯二氧噻吩）衍生物

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摘要

A new poly(3,4-propylenedioxythiophene) (PProDOT) derivative combining ion complexing oligoether units and a reactive ester group in the side chain obtained by oxidative chemical and electrochemical polymerization of the corresponding ProDOT monomer is described. The P(ProDOT-EO-ester) chemically synthesized after dedoping reveals a strong UV blue shift in THF in the presence of Na+ and K+, respectively, indicating conformational disordering and a substantially decreased conjugation of the polymer chain induced by ion complexation. Post-polymerization functionalization can be achieved by treatment with hydrazine hydrate leading to partial hydrazinolysis of the ester group. The electrogrowth process of the polymer on ITO is carried out using Bu4NClO4 or LiClO4 as supporting electrolyte, resulting in the formation of conductive thin films. Cyclic voltammetry reveals a slight shift of the redox peaks to lower potentials in the presence of Li+.
机译：描述了一种新的聚（3,4-亚丙二氧基噻吩）（PProDOT）衍生物，该衍生物在相应的ProDOT单体的氧化化学和电化学聚合反应中，结合了离子络合寡醚单元和侧链中的反应性酯基。去掺杂后化学合成的P（ProDOT-EO-酯）分别在Na +和K +的存在下揭示了THF中强烈的紫外线蓝移，表明构象无序和离子络合诱导的聚合物链共轭大大降低。聚合后官能化可通过用水合肼处理导致酯基的部分肼解而实现。使用Bu4NClO4或LiClO4作为支持电解质，可以在ITO上进行聚合物的电生长过程，从而形成导电薄膜。循环伏安法显示，在存在Li +的情况下，氧化还原峰略微移至较低电位。

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