离子液体中CNT/nanoTiO_2-Pt膜电极电催化氧化葡萄糖  

Electrocatalytic Oxidation of Glucose on CNT/Nanocrystlline TiO_2-Pt Complex Film Electrode in Ionic Liquids

作　　者：褚道葆[1] 查龙武 王树西 王建[1] 肖英[1] 侯源源[1] 何建国[1] 张雪娇[1] 

机构地区：[1]安徽省功能性分子固体重点实验室,安徽师范大学化学与材料科学学院,安徽芜湖241000

出　　处：《电化学》2009年第3期299-303,共5页Journal of Electrochemistry

基　　金：国家自然科学基金(20476001);安徽省自然科学基金(070414160);高校自然科学重点基金(KJ2007A010)资助

摘　　要：循环伏安法研究葡萄糖在离子液体[EMI]BF4中于碳纳米管/纳米TiO2膜载Pt(CNT/nanoTiO2-Pt)复合膜电极上的电催化氧化.结果表明,CNT/nanoTiO2-Pt电极对葡萄糖氧化具有高催化活性,氧化电位为-0.46V;在组成为离子液体与水的体积比为3∶1的电解液中,葡萄糖的氧化效果最好.电极反应过程受浓差极化控制.Using ionic liquid [EMI] BF4 as the electrolyte, the electrocatalytic oxidation of glucose on carbon nanotubes/nanocrystlline TiO2 film loaded on Pt （CNT/nanoTiO2-Pt） complex film electrode was investigated by cyclic voltammetry. The results found that the CNT/nanoTiO2-Pt complex electrode had high catalytic activity to the electrochemical oxidation of glucose in ionic liquids and the oxidation potential was-0.46 V. The best effect of glucose oxidation was obtained with the volume ratio of ionic liquid to water being 3： 1. The process of electrodic reaction process was concentration polarization controlled.

关 键 词：葡萄糖 电催化氧化 离子液体 碳纳米管/纳米TiO2 载Pt复合电极 

分 类 号：O646.54[理学—物理化学]