| 金纳米粒子/碳纳米管复合修饰玻碳电极对对苯二酚氧化还原反应的电催化性能 |
| |
| 引用本文： | 董永平,齐芳玲. 金纳米粒子/碳纳米管复合修饰玻碳电极对对苯二酚氧化还原反应的电催化性能[J]. 理化检验(化学分册), 2011, 0(8) |
| |
| 作者姓名： | 董永平 齐芳玲 |
| |
| 作者单位： | 安徽工业大学化学与化工学院分子工程与应用化学研究所; |
| |
| 基金项目： | 安徽省教育厅自然科学基金资助项目(KJ2008B161) |
| |
| 摘 要： | 以对苯二酚为目标化合物比较研究了金纳米粒子、碳纳米管、金纳米粒子/碳纳米管3种纳米粒子修饰电极的电催化性能,结果发现:3种纳米粒子修饰电极均对对苯二酚的电化学信号具有增强作用。电化学阻抗谱和修饰层数试验表明:金纳米粒子的增强效果来自于金纳米粒子的电催化作用,碳纳米管的增强作用来自于电催化作用与大的电极表面积,金纳米粒子/碳纳米管复合修饰电极综合利用了两种纳米粒子的特性,表现出了更为优良的电催化行为。对苯二酚在修饰电极上的电化学过程均为扩散控制过程。
|
| 关 键 词： | 金纳米粒子 碳纳米管 修饰玻碳电极 电催化 对苯二酚 |
Study on Electrocatalytic Behavior of Glassy Carbon Electrode Modified with Composite of Carbon Nanotubes and Gold Nano-particles on Redox Reaction of Hydroquinone |
| |
| DONG Yong-ping,QI Fang-ling. Study on Electrocatalytic Behavior of Glassy Carbon Electrode Modified with Composite of Carbon Nanotubes and Gold Nano-particles on Redox Reaction of Hydroquinone[J]. Physical Testing and Chemical Analysis Part B:Chemical Analgsis, 2011, 0(8) |
| |
| Authors: | DONG Yong-ping QI Fang-ling |
| |
| Affiliation: | DONG Yong-ping,QI Fang-ling (Research Institute of Molecular Engineering and Applied Chemistry,College of Chem.and Chem.Eng.,Anhui University of Industry,Ma'anshan 243002,China) |
| |
| Abstract: | The catalytic behavior on the redox reaction of hydroquinone at 3 GCE's modified separately with gold nanoparticles,carbon nanotubes and composite of gold nanoparticles and carbon nanotubes was studied by cyclic voltammetry.It was found that enhancement of electrochemical response of redox reaction of hydroquinone at either of the 3 modified electrodes was observed.As shown by the electrochemical impedance spectra and by the results of testing for effect by quantity of the nanomaterials modified on the GCE,... |
| |
| Keywords: | Gold nanoparticles Carbon nanotubes Modified GCE Electrocatalysis Hydroquinone |
| 本文献已被 CNKI 等数据库收录！ |
