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采用表面增强拉曼散射(SERS)技术和循环伏安法研究了H_2SO_4介质中苯胺在Au电极上的电聚合过程。探讨了电解液pH、苯胺浓度、聚合电势和时间对聚苯胺链结构的影响,提出了苯胺电聚合适宜条件,讨论了苯胺电聚合初期分子偶合反应机理。
Surface-enhanced Raman scattering (SERS) technique and cyclic voltammetry were used to study the electropolymerization of aniline on Au electrode in H_2SO_4 medium. The effects of electrolyte pH, aniline concentration, polymerization potential and time on the structure of polyaniline were discussed. The suitable conditions of aniline electropolymerization were discussed. The mechanism of molecular coupling reaction in the initial stage of aniline electropolymerization was discussed.