在水相中,以聚苯乙烯磺酸(PSSA)为模板掺杂剂,聚乙烯醇(PVA)为成膜助剂,苯胺(An)为单体,过硫酸铵(APS)引发合成水溶性导电聚苯胺/聚苯乙烯磺酸-聚乙烯醇(PANI/PSSA-PVA)复合物固体及其复合溶液,用旋涂法制备了相应的复合电致变色膜.通过优化实验表明,反应温度为10～15℃时,m(PVA)=2.5%,n(PSSA):n(An):n(APS)=1:0.7:0.4的复合溶液所制得的复合电致变色膜具有良好的电致变色性能,其电导率可达0.119S/cm.本合成工艺简单、反应易于控制、产物易于成膜且不脱落,制得的膜底色接近无色且电导率较高,在电致变色器件等方面有广泛的应用前景.
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