首页 | 本学科首页   官方微博 | 高级检索  
     检索      

羧基化单层碳纳米管修饰电极的电化学表征及其电催化作用
引用本文:罗红霞,施祖进,李南强,顾镇南,庄乾坤.羧基化单层碳纳米管修饰电极的电化学表征及其电催化作用[J].高等学校化学学报,2000,21(9):1372-1374.
作者姓名:罗红霞  施祖进  李南强  顾镇南  庄乾坤
作者单位:北京大学化学与分子工程学院,北京,100871
基金项目:国家自然科学基金! (批准号 :2 9835110 ),中国博士后科学基金资助
摘    要:碳纳米管自 1 991年被发现 1] 以来 ,因其独特的力学、电子特性及化学稳定性 ,成为世界范围内的研究热点之一 .它可以认为是将石墨层折叠成碳圆柱体的结果 ,分为多层碳纳米管 ( MWNT)和单层碳纳米管 ( SWNT) .依据其原子结构不同 ,碳纳米管将表现为金属或半导体 ,这种独特的电子特性使它有望成为新型分子器件 .因此 ,研究这种新型碳结构的电极特性具有十分重要的意义 .MWNT与溴仿等混合后装在玻璃毛细管内制成微电极 ,可用于探测生物电化学反应 ,结果明显优于其它碳电极 2 ,3] .对 SWNT的电化学行为研究得较少 .目前仅有一篇有关 S…

关 键 词:电催化  羧基化单层碳纳米管修饰电极  电化学

Investigation on the Electrochemical and Electrocatalytic Behavior of Chemically Modified Electrode of Single Wall Carbon Nanotube Functionalized with Carboxylic Acid Group
LUO Hong-Xia,SHI Zu-Jin,LI Nan-Qiang,GU Zhen-Nan,ZHUANG Qian-Kun.Investigation on the Electrochemical and Electrocatalytic Behavior of Chemically Modified Electrode of Single Wall Carbon Nanotube Functionalized with Carboxylic Acid Group[J].Chemical Research In Chinese Universities,2000,21(9):1372-1374.
Authors:LUO Hong-Xia  SHI Zu-Jin  LI Nan-Qiang  GU Zhen-Nan  ZHUANG Qian-Kun
Institution:LUO Hong-Xia,SHI Zu-Jin,LI Nan-Qiang *,GU Zhen-Nan,ZHUANG Qian-Kun
Abstract:The electrochemical behavior of the film of single wall carbon nanotube(SWNT) functionalized with carboxylic acid group was studied extensively at the glassy carbon(GC) electrode. One stable couple of waves corresponding to the redox of the carboxylic acid group, which was supported by the IR experiments, was observed. The electrode process involved four electrons, while the rate determining step was a one-electron reduction. The SWNT film modified electrode showed nice electrocatalytic behaviors toward the oxidations of some biomolecules such as dopamine, epinephrine and ascorbic acid.
Keywords:Single wall carbon nanotube  Chemically modified electrode  Cyclic voltammetry  Electrocatalysis  
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号