BMIC-ZnCl_2离子液体中电沉积铜-锌合金  

Electrodeposition of Cu-Zn Alloy from Zinc Chloride-1-butyl-3-methylimidazolium Chloride Ionic Liquid

作　　者：王波[1] 徐存英[2] 华一新[2] 张启波[2] 李艳[2] 吴青[1] 丛晓波[2] 吴振[2] 

机构地区：[1]昆明理工大学材料科学与工程学院,昆明650093 [2]昆明理工大学冶金与能源工程学院,昆明650093

出　　处：《材料导报》2011年第22期74-78,共5页Materials Reports

基　　金：国家自然科学基金(50864009;50904031)

摘　　要：在含有CuCl的BMIC-ZnCl2(物质的量比为1∶2)离子液体中,采用恒电位法于低碳钢基体上进行了Cu-Zn合金电沉积实验。研究了CuCl的浓度﹑沉积电位、温度对Cu-Zn合金成分、形貌及电流效率的影响,并采用带X射线能量散射谱(EDS)的扫描电子显微镜(SEM)及X射线衍射仪对所得Cu-Zn合金沉积层的成分、表面形貌及物相进行分析。结果发现当电解液中CuCl的浓度为0.2mol/L时,阴极沉积电位在-0.1V附近,温度为70℃时,可得到质量较好的Cu-Zn合金仿金镀层。Application 66.7%-33. 3% zinc chloride-l-butyl-3-methylimidazolium chloride ionic liquid containing CuC1 for eleetrodeposition of Cu-Zn alloy on low-carbon steel was investigated. The morphology and composition of deposited Cu-Zn alloy were investigated using scanning electron microscopy （SEM） with energy-dispersive spectrosco py （EDS）. The phase analysis was carried out using X-ray diffraction （XRD）. This study was focused to determine the effect of process variable such as the CuCl concentration, cathodic potential and temperature on cathodic current efficiency, composition, and morphology of Cu-Zn alloy. The results show that uniform and fine particle size gold imitation deposits was obtained from BMIC-ZnCl2 containing 0. 2mol/L CuCl in the cathodic potential of --0. 1V and 70 ℃.

关 键 词：离子液体 铜-锌合金 电流效率 电沉积 

分 类 号：O646.51[理学—物理化学]