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酸性介质中丙烯基硫脲对铜阳极溶出和阴极沉积过程影响的EQCM研究
Authors
卢江红
周剑章
+3 more
林仲华
林进妹
陈国良
Publication date
10 September 2006
Publisher
Abstract
采用循环伏安(CV)和电化学石英晶体微天平(EQCM)方法研究了酸性介质中铜阳极溶出和阴极沉积过程以及丙烯基硫脲(AT)对该过程的影响.结果表明,铜阳极溶出和阴极沉积过程的M/n分别为32.0和34.2g/mol,都是两电子过程,其间未检测到Cu(Ⅰ)中间产物.AT改变了铜阳极溶出和阴极沉积的历程.在含AT的溶液中,铜阳极溶出和阴极沉积过程的M/n分别为61.9和65.4g/mol,可指认铜阳极溶出产物为CuAT+,并提出了AT存在下Cu阳极溶出和阴极沉积过程的反应机理;从电极表面质量定量变化的角度提供了Cu阳极溶出和阴极沉积过程的新数据
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Last time updated on 16/06/2016