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含3,4-乙撑二氧取代基的聚三噻吩衍生物的合成与表征 被引量：2

Characterization and Synthesis of Polyterthiophenes Containing 3,4-Ethylenedioxythiophene(EDOT)
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摘要 通过Stille反应合成了3’，4＇-乙撑二氧-2，2’：5’，2”-三噻吩，并以其作为单体，在0～5℃下，以FeCl3为氧化剂，在氯仿溶液中合成了3种聚（3’，4’-乙撑二氧-2，2’：5’，2”-三噻吩）。并采用紫外-可见光谱（UV—Vis）、傅里叶红外光谱（FT—IR）、凝胶色谱（GPC）、循环伏安（CV）、透射电镜（TEM）和热重分析（TGA）对聚合物进行了表征。同时讨论了乙撑二氧取代基和FeCl3用量对聚合物性质的影响。结果表明：聚合物的紫外最大吸收为466～474nm，数均分子量为3．4×10^3～3．6×10^3，能隙大约为2．05eV，热分解温度为110℃。 An ethylenedioxy group substituted terthiophene derivative （3＇, 4＇-ethylenedioxy-2, 2＇ ： 5＇, 2＇-terthiophene, TET） was synthesized via Stille reaction, and the related polythiophene derivatives （poly （Cr, 4＇-ethylenedioxy-2, 2＇ ： 5＇, 2＇-terthiophene）, PTET） were obtained by oxidation polymerization with different dosage of FeCI3 as catalysts at 0--5℃. These polymers were characterized by UV-Vis. FT-IR GPC.CV.TEM and TGA analysis. The number average molecular weights （Mn） of these polymers are 3.4×10^3-3. 6 × 10^3. These polymers exhibit good thermal stability with thermal decomposition temperatures above 110 ℃. UV-Vis spectroscopy indicates low bandgaps （2.05 eV） of these polymers, and the maximum absorption is 466 474 nm.
作者 赵春宝 吐尔逊.阿不都热依木 石伟 姚美芹 司马义.努尔拉
机构地区 新疆大学化学化工学院
出处 《功能高分子学报》 CAS CSCD 北大核心 2009年第1期50-54,共5页 Journal of Functional Polymers
基金 国家自然科学基金(2027403520674066)
关键词 聚(3’ 4’-乙撑二氧-2 2’:5’ 2”-三噻吩) FECL3 氧化聚合 poly（3＇, 4＇-ethylenedioxy-2, 2＇： 5＇, 2＇＇-terthiophene） FeCl3 oxypolymerization
分类号 TQ316.342 [化学工程—高聚物工业]
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参考文献17

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功能高分子学报
2009年 第1期

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