邻、间、对苯二甲醛对甲基磺酸体系电沉积锡的影响  

Effects of ortho-,iso-,and tere-phthalaldehyde on electrodeposition of tin in MSA electrolyte

作　　者：杨瑶 许永姿 彭巨擘 蔡珊珊 YANG Yao;XU Yongzi;PENG Jubo;CAI Shanshan(R&D Center of Yunnan Tin Industry Group(Holdings)Co.,Ltd.,Kunming 650000,China)

机构地区：[1]云南锡业集团(控股)有限责任公司研发中心,云南昆明650000

出　　处：《电镀与涂饰》2022年第21期1497-1500,共4页Electroplating & Finishing

基　　金：企业基础研究应用基础研究联合专项-重大项目(202101BC070001-007);云南省稀贵金属材料基因工程(一期2020)(202002AB080001)。

摘　　要：通过循环伏安分析、霍尔槽试验、扫描电镜(SEM)和X射线衍射(XRD)研究了邻、间、对苯二甲醛及苄叉丙酮4种物质对甲基磺酸(MSA)体系电镀锡的影响。结果表明,4种物质均可提高电镀锡的阴极极化能力;采用间苯二甲醛或对苯二甲醛时电流效率接近100%,采用苄叉丙酮时电流效率最低;采用间苯二甲醛时可得到光亮、致密而平整的锡镀层;使用邻、间或对苯二甲醛时所得锡镀层均在(220)晶面呈现强织构。The effects of four kinds of additives i.e.ortho-,iso-,and tere-phthalaldehyde and benzylideneacetone on the electrodeposition of tin in a methanesulfonic acid(MSA)electrolyte were studied by cyclic voltammetry,scanning electron microscopy(SEM),and X-ray diffraction(XRD).The results showed that the addition of the said additives to the electrolyte could increase the cathodic polarization for tin electroplating.The current efficiency was nearly up to 100%when electroplating with iso-or tere-phthalaldehyde,while it was the lowest when electroplating with benzylideneacetone.A bright,compact,and smooth tin coating could be obtained when using iso-phthalaldehyde as additive.The tin coating electroplated from the electrolyte containing ortho-,iso-,or tere-phthalaldehyde showed a strong texture in(220)crystal plane.

关 键 词：苯二甲醛 电镀锡 甲基磺酸 电流效率 沉积速率 组织结构 

分 类 号：TQ153.13[化学工程—电化学工业]