将聚酰亚胺(PI)膜浸入NaOH溶液后再依次浸入FeCl3和3,4-乙撑二氧噻吩(EDOT)溶液.以红外光谱仪(ATR-FT-IR)分析PI膜表面官能团的变化,以恒流源电阻测量仪分析PI膜表面电阻的变化.PI膜经NaOH溶液浸泡后,部分酰亚胺环水解开环,亲水性大幅度提高.水解膜吸附的FeCl3可诱发EDOT单体在PI膜表面沉积聚合,PI膜表面出现PEDOT的特征吸收带.沉降聚合所得聚3,4-乙撑二氧噻吩(PEDOT)膜的表面电阻可达7.0×105Ω.
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