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合成了一种新型含有推-拉电子基团的聚吡咯衍生物——聚{(3-乙酰基)吡咯-[2,5-二(对丁氧基苯甲烯)]}(PA-PDBOBE)。通过红外光谱(FT-IR)、核磁共振(1H-NMR)、紫外光谱(UV-Vis)、热重分析(TG)和循环伏安(CV)测试等分析手段对聚合物结构和性能进行了分析。UV-Vis谱表明,PAPDBOBE的光学禁带宽度(Eg)为1.51 eV。该聚合物的TG谱显示聚合物的热分解温度为165℃。循环伏安特性曲线(CV)表明,该聚合物膜电极在LiClO4乙腈溶液中-1 V~1 V的电压间有氧化还原反应,其氧化还原反应的峰电位分别为0.52 V和-0.51 V。

A polypyrrole derivative containing electron donor-acceptor groups(PAPDBOBE) was synthesised.The chemical structures and properties of the polymer were characterized by Fourier transform infrared spectrum(FT-IR),1H nuclear magnetic resonance spectrum(1H-NMR),UV-Vis,thermogravimetry(TG) and cyclic voltammetry(C-V) spectroscopy.UV-Vis spectroscopy reveals the energy bandgap of PAPDBOBE is 1.51 eV.TGA indicates that PAPDBOBE decomposes at 165 ℃.C-V of PAPDBOBE electrode in the potential range from-1V to 1 V is conducted in 0.1 mol LiClO4 /1L acetonitrile(AN) solution.The result shows that peak potentials of the redox reaction are 0.52 V and-0.51 V,respectively.

参考文献

[1] Ozga K .Optically-induced second-order nonlinear optical effect in polyvinyl alcohol photopolymers[J].European Polymer Journal,2004(7):1381-1385.
[2] 张志刚,吴洪才,易文辉.一种含有推-拉电子基团的水溶性大π共轭高分子的合成与表征[J].精细化工,2004(01):8-12.
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