在甲醛化学镀铜镀液中加入离子液体1-乙基-3-甲基咪唑四氟硼酸盐,研究了对化学镀铜的影响.结果表明,随着离子液体质量浓度的增大,化学镀铜溶液的沉积速率降低,铜层晶粒细化,电阻增加.环境扫描电镜和X-射线衍射观察测试表明,镀层表面分布均匀,且在铜(111)晶面成核的趋势增加.电化学测试表明,随着离子液体质量浓度的增大,阳极氧化峰电位负移,氧化峰电流密度减小,进一步显示ρ(1-乙基-3-甲基咪唑四氟硼酸盐)对甲醛化学镀铜溶液沉积速率有抑制作用.
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