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硼砂水溶液中吡咯在黄铜电极上的聚合

, PP. 53-56

Keywords: 聚吡咯,循环伏安,黄铜,硼砂

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Abstract:

研究在01mol/l硼砂溶液中ph对黄铜循环伏安行为及吡咯在黄铜电极表面电聚合的影响.采用扫描电子显微镜(sem)和傅立叶变换红外线光谱(ftir)对聚吡咯(ppy)膜进行表征.结果表明,较高或较低的ph均使黄铜电极初始活性溶解的电位下降,在ph为9、10、11、12时,黄铜电极初始溶解电位增大至09v左右,表面可生成一层钝化膜.在此条件下吡咯可以在黄铜电极表面发生电聚合,形成致密的聚吡咯膜.sem显示电聚合后黄铜表面形成一层平整致密的薄膜.ftir证实了吡咯在黄铜表面的电聚合,并且硼酸盐掺杂进入ppy膜中.?

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