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| 表面活性剂对硫醇单层膜修饰金电极电化学行为的影响 | |
| 引用本文： | 马勇,王建国,惠飞,霍俊杰,臧树良. 表面活性剂对硫醇单层膜修饰金电极电化学行为的影响[J]. 化学学报, 2006, 64(13): 1309-1313 |
| 作者姓名： | 马勇 王建国 惠飞 霍俊杰 臧树良 |
| 作者单位： | 华东师范大学化学系,上海,200062;辽宁大学稀散金属研究所,沈阳,110036;辽宁大学稀散金属研究所,沈阳,110036 |
| 摘 要： | 利用自组装方法在金电极表面制备成硫醇单层膜, 循环伏安和交流阻抗实验表明硫醇单层膜与表面活性剂十六烷基三甲基溴化胺作用后, 其电化学行为发生变化, 对于带有不同电荷的探针分子, 表现出一定的选择性响应. 即使是带有相同电荷的探针分子, 由于与表面活性剂的作用方式不同, 也使它们通过硫醇单层膜在电极表面产生电化学响应的程度完全不同. |
| 关 键 词： | 自组装单层膜 表面活性剂 循环伏安法 交流阻抗 |
| 收稿时间： | 2005-08-02 |
| 修稿时间： | 2005-08-022005-12-29 |
Influence of Surfactant on Electrochemical Behavior of Gold Electrode Modified with Thiol Monolayer |
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| MA Yong,WANG Jian-Guo,HUI Fei,HUO Jun-Jie,ZANG Shu-Liang. Influence of Surfactant on Electrochemical Behavior of Gold Electrode Modified with Thiol Monolayer[J]. Acta Chimica Sinica, 2006, 64(13): 1309-1313 | |
| Authors: | MA Yong WANG Jian-Guo HUI Fei HUO Jun-Jie ZANG Shu-Liang |
| Affiliation: | (1 Department of Chemistry, East China Normal University, Shanghai 200062)(2 Institute of Rare and Scattered Metal Chemistry, Liaoning University, Shenyang 110036) |
| Abstract: | Self-assembled monolayer of 1-dodecanethiol was prepared on gold electrode. The different kinds of probes such as ferrocyanide/ferricyanide, dopamine, ascorbic acid and hydroquinone were used to investigate the electron-transfer process in the presence of surfactant hexadecyltrimethylammonium bro- mide. Cyclic voltammetry and electrochemical impedance spectroscopy studies showed the selective elec- trochemical recognition of probe molecules in solution on self-assembled monolayer of thiol, and the possible mechanism was also discussed. |
| Keywords: | self-assembled monolayer surfactant cyclic voltammetry ac impedance |
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