硬脂酸钠在油/水界面自组装膜的电化学研究

电化学（中英文） ›› 2006, Vol. 12 ›› Issue (3): 324-328.

硬脂酸钠在油/水界面自组装膜的电化学研究

唐丽娜;王凤平;朱永春;

辽宁师范大学化学化工学院,辽宁师范大学化学化工学院,沈阳师范大学化学与生命科学学院辽宁大连116029,辽宁大连116029,辽宁沈阳110034

收稿日期:2006-08-28 修回日期:2006-08-28 出版日期:2006-08-28 发布日期:2006-08-28

The Electrochemical Study on Self-assembled Monolayers of Sodium Stearate Surfactant on Oil/Water Interface

TANG Li-na~

(1),WANG Feng-ping~(*1),ZHU Yong-chun~(2)(1.Faculty of Chemistry and Chemical Engineering,Liaoning Normal University,Dalian116029,Liaoning,China,2.School of Chemistry and Life Science,Shengyang Normal University,Shenyang 110034,Liaoning,China

Received:2006-08-28 Revised:2006-08-28 Published:2006-08-28 Online:2006-08-28

摘要/Abstract

摘要： 应用循环伏安法,以铜离子为探针研究硬脂酸钠在油/水界面上的自组装过程.结果表明,硬脂酸钠在蓖麻油/水界面上自组装,经4种聚集状态而达到完整的有序单层膜.Cu2+离子在涂蓖麻油电极上的氧化是完全受吸附控制,而在表面活性剂硬脂酸钠自组装膜的油/水界面上,则其电极过程受扩散和吸附两者混合控制.循环伏安测试给出,峰电流ip随扫描速率v变化的拟合方程为:ip=9.214?3.889v1/2+0.5809v,r=0.9978.

关键词: 自组装膜, 硬脂酸钠, 油/水界面, 循环伏安

Abstract: The self-assembled monolayers of sodium stearate surfactant on oil/water interface was investigated by CV with copper ion as probe.The self-assembling process includes four stages,and forms a stable assembly.The electrochemical oxidation of copper ion at assembled surface is a combine controlled process both surface and diffusion with regression equation as i_(p) = 9.214-3.889 v~(1/2) +0.5809v,r=0.9978,compared with the oil covered bared electrode,it is a complete surface controlled.

Key words: Self-assembled monolayers, Sodium stearate, Oil/water interface, Cyclic voltammetry, Copper ion

中图分类号:

O647.2

唐丽娜;王凤平;朱永春;. 硬脂酸钠在油/水界面自组装膜的电化学研究[J]. 电化学（中英文）, 2006, 12(3): 324-328.

TANG Li-na~. The Electrochemical Study on Self-assembled Monolayers of Sodium Stearate Surfactant on Oil/Water Interface[J]. Journal of Electrochemistry, 2006, 12(3): 324-328.

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链接本文: https://electrochem.xmu.edu.cn/CN/

https://electrochem.xmu.edu.cn/CN/Y2006/V12/I3/324

参考文献

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