新型电化学CO气体传感器的研制

被引:10
作者
陈长伦
何建波
刘锦淮
机构
[1] 合肥工业大学化工学院
[2] 中国科学院合肥智能机械研究所 安徽合肥
[3] 安徽合肥
关键词
电化学; 气体传感器; 多壁碳纳米管; 修饰电极; CO测定;
D O I
10.13873/j.1000-97872004.05.010
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
研制了一种用于测定CO的新型电化学式气体传感器,即把多壁碳纳米管自组装到铂微电极上,制备多壁碳纳米管粉末微电极,其电极在氧化过电位为+700mV时,对CO具有显著的电化学催化效应。以其电极为工作电极,Ag/AgCl为参比电极,Pt丝为对比电极,多孔聚四氟乙烯膜作为透气膜制成传感器。其传感器响应时间短、重复性好,能用于环境监测和控制。
引用
收藏
页码:32 / 35
页数:4
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