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拉曼光谱研究电化学合成聚(3-甲基噻吩)在加热与冷冻过程中的结构变化 被引量:3

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摘要 3-甲基噻吩在三氟化硼乙醚溶液中氧化聚合得到聚(3-甲基噻吩)(PMeT).用拉曼光谱在123~458K的温度范围内对该聚合物进行了表征.实验结果表明:PMeT中处于氧化态的链段的热稳定性远远低于处于还原态的链段.在冷冻过程中,还原态链段的构象从一个类线团状态转变成棒状构象,而氧化态链段的构象在冷冻过程中不会发生变化.
机构地区 清华大学化学系
出处 《科学通报》 EI CAS CSCD 北大核心 2002年第12期905-907,共3页 Chinese Science Bulletin
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