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电化学  2014 

由苯胺二聚体电化学制备聚苯胺的形貌可控性初探

DOI: 10.13208/j.electrochem.121112, PP. 17-21

Keywords: &pi,共轭有机导电聚合物,聚苯胺,单体,电化学聚合,均一形貌

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Abstract:

以苯胺二聚体(N-phenyl-p-phenylenediamine)为起始单体,在1mol·L-1高氯酸水-乙腈混合液中,玻碳电极表面电化学制备聚苯胺.实验结果表明,苯胺二聚体单体的聚合电位比苯胺单体的低约0.2V,并且其聚合物具有更高的形貌可控性.苯胺二聚体单体浓度分别为1、5和10mmol·L-1时,采用分步恒电流法可分别制备出形貌均一的聚苯胺纳米粒子(粒径30nm)、超长的纳米线(>5μm直径50nm)和大面积纳米片(4μm×2μm×30nm).

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