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研究采用电化学聚合法,在中性水溶液中以3,4-乙烯二氧噻吩(EDOT)为反应液,在金纳米棒(GNR)修饰的ITO上聚合成PEDOT导电薄膜,并对该体系的稳定性进行了研究。利用暗场光学显微镜原位实时观察了聚合过程中纳米粒子掺杂的导电聚合物的微结构形貌不断进化,同时原位研究了该体系的光电性质。随着反应时间的增加,掺杂了纳米粒子的PEDOT薄膜的微结构形貌不断进化,从分散的颗粒状态向连续的树枝状态转变,最后成有些微高低起伏的薄膜状。
Electrochemical polymerization was used to synthesize PEDOT conductive films on gold GNR modified ITO by using 3,4-ethylenedioxythiophene (EDOT) as a reaction solution in a neutral aqueous solution. The effects of Stability has been studied. The dark state optical microscopy was used to observe in real time the microstructure morphology of nano-particle-doped conductive polymer during polymerization. The photoelectric properties of the system were also studied in situ. With the increase of reaction time, the microstructure morphology of PEDOT doped with nano-particles evolved continuously from dispersed particles to continuous dendritic state, and finally became some micro-undulating film.