• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Chinese science bulletin >Electrochemical characteristics and application of thiophenol self-assembling monolayer modified gold electrode
【24h】

Electrochemical characteristics and application of thiophenol self-assembling monolayer modified gold electrode

机译：硫酚自组装单层修饰金电极的电化学特性及应用

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The modification of electrode involves the attachment of chemical substances to the surfaces by physical adsorption, chemical bonding or polymer coating. The modified electrodes can thereby exhibit properties related to those of the modifying substances. It is quite clear that in order to perform increasingly complicated and demanded tasks using chemically modified electrodes, complex molecular structure must be constructed with a high degree of control over the design and structure of the systems. The merits of organized monolayer techniques for electrode surface modification have been recongnized recently using both the Langmuir-Blodgett (LB) technique and self-assembling monolayer Such a monolayer provides a means of controlling the chemical structure at the molecular level on the surface of the electrodes. The former researches mainly deal with the self-assembling monolayer of alkanethiols on the gold surface, which was formed through Au—S bond. In this note, we studied the electrochemical characteristics of the monolayer of thiophenol, an aromatic thiol, modified gold electrode (defined as Au/TP) which was prepared by self-assembly technique The experimental results show that the Au/TP electrode behaves as a microelectrode assembly. In thisnote we also discussed the application of this monolayers-based microelectrode assembly to the investigation of the complicated electrochemical reaction mechanism and the determination of the heterogeneous electron transfer rate constant for fast redox couples such as Fe(CN)_6~(4-/3-).
机译：电极的改性包括通过物理吸附，化学键合或聚合物涂层将化学物质附着到表面上。改性电极由此可以表现出与改性物质的那些性质有关的性质。显然，为了使用化学修饰的电极执行日益复杂和要求苛刻的任务，必须在高度控制系统设计和结构的情况下构建复杂的分子结构。最近，使用朗缪尔-布洛杰特（LB）技术和自组装单分子层已经认识到用于电极表面修饰的有组织单分子层技术的优点。这种单分子层提供了一种在电极表面的分子水平上控制化学结构的方法。前者的研究主要涉及通过金-硫键形成的金表面上链烷硫醇的自组装单层。在本文中，我们研究了通过自组装技术制备的芳香族硫醇修饰的金电极（定义为Au / TP）硫酚单层的电化学特性。实验结果表明，Au / TP电极的行为与微电极组件。在本说明中，我们还讨论了基于单层的微电极组件在研究复杂的电化学反应机理以及确定快速氧化还原对（例如Fe（CN）_6〜（4- / 3）的异质电子传递速率常数）中的应用。 -）。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号