以水为溶剂,在不添加乳化剂的条件下,分别以高氯酸锂、聚苯乙烯磺酸钠(PSS)、硫酸钠、氟硼酸钠、对甲苯磺酸为电解质进行电化学聚合,得到了不同氧化态的聚3,4-乙撑二氧噻吩薄膜(PEDOT).探讨了这5种电解质对单体初始氧化电位和薄膜电化学稳定性的影响.结果表明,采用PSS为电解质时初始氧化电位最低为878mV,得到的聚合物薄膜电化学稳定性最好.并采用扫描电镜表征了以PSS为电解质电化学聚合所得薄膜的表面形貌,采用光谱电化学法表征了薄膜的电致变色性能,结果表明聚合物薄膜均质连续.具有优异的电致变色性能.
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