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材料研究学报  2002, Vol. 16 Issue (6): 580-584    
  论文 本期目录 | 过刊浏览 |
在单分子膜上电沉积金属银膜
姚素薇;余碧涛; 刘恒权; 张卫国
天津大学
引用本文:

姚素薇; 余碧涛; 刘恒权; 张卫国 . 在单分子膜上电沉积金属银膜[J]. 材料研究学报, 2002, 16(6): 580-584.

全文: PDF(990 KB)  
摘要: 以在气/液界面和气/固界面上形成的硬脂酸单分子膜为基底电沉积金属银薄膜。改变电沉积条件,得到了具有不同微观结构、光亮、细致的纳米金属银薄膜。当底相硝酸银溶液的pH数值低于7时,在气/液界面没有银膜形成,只在银丝的尖端生成棕黑色的粉末;提高镀液的pH值有利于银的沉积,且硬脂酸分子排列得越紧密,成膜性越好。随着槽电压的升高,银膜的沉积速度逐渐增大,其微观结构从树叶状逐渐向鹿角状变化。根据电沉积银薄膜的规律,分析了在单分子膜上电沉积银的生长机制,认为单分子膜及其界面的双电层结构是沉积银膜的必要条件。
关键词 单分子膜电沉积    
Key words
收稿日期: 1900-01-01     
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