以AgNO3为主盐,在氯化胆碱和水的化学镀银溶液中,通过循环伏安法、紫外分光光度法和原子吸收分光光度法对铜基化学镀银的镀银机理及银沉积动力学进行了研究.结果表明,在化学镀银过程中,Ag+被还原为Ag单质沉积于铜基体上,而铜基体则被氧化成Cu+存在于溶液中.通过对氯化胆碱浓度、银盐浓度和施镀温度等影响因素的考察和计算,推导出该溶液中置换法化学镀银的表观活化能及动力学沉积速率方程.
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