利用压电喷墨印刷技术沉积了PEDOT/PSS有机导电薄膜.研究了退火温度和乙二醇掺杂对薄膜导电性能的影响.实验结果表明:未退火和退火温度为120,140,160℃时,薄膜表面平均粗糙度分别为8.15,4.10,3.36,2.66 nm;乙二醇掺杂使导电激活能由未掺杂时的0.096 eV减小为0.046 eV;电导激活能减小表明PEDOT分子链从低电导率的卷曲构象向高电导率的伸展构象转变;此外,乙二醇掺杂促使PSS与PE-DOT/PSS分离,使团聚的PEDOT/PSS颗粒变小从而分散更均匀,降低了表面粗糙度.
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