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pedot-pss导电聚合物lb薄膜的制备和性能

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Abstract:

?研究了十八胺(oda)及其与硬脂酸(sa)混合单分子膜在导电聚合物聚3,4-乙烯二氧噻吩/聚苯乙烯磺酸(pedot-pss)胶体亚相上的成膜行为和复合lb膜在室温下的电学性能.结果表明:oda-sa/pedot-pss复合lb膜具有更好的成膜性能,表面粗糙度小且稳定可控,薄膜具有较好的有序结构;oda-sa/pedot-pss膜电导率高于oda/pedot-pss复合lb膜,其电导率呈各向异性,水平电导率(σ‖)与垂直电导率(σ⊥)之间相差3~4个数量级,ⅰ-ⅴ曲线呈指数关系,为典型的电子隧穿类型.

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