Single-wall carbon nanotube-based pH sensor fabricated by the spray method

被引:26
作者
Kwon, Jae-Hong [1 ]
Lee, Kyong-Soo
Lee, Yun-Hi
Ju, Byeong-Kwon
机构
[1] Korea Univ, Coll Engn, Display & Nanosyst Lab, Seoul 136701, South Korea
[2] Korea Univ, Dept Phys, Seoul 136701, South Korea
关键词
D O I
10.1149/1.2217131
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The concentration of the hydroxyl ion is a critical parameter which must be measured for monitoring the condition of aqueous biological species or for predicting the path of chemical reactions. This paper describes a method for fabricating a simple and fast response pH sensor composed of single-wall carbon nanotubes (SWCNTs) using a spray. Such a CNT-based sensor shows amperometric response in buffer solution at different hydroxyl ion concentrations. Our results suggest that sprayed CNT sensors can be used as chemical sensors and biosensors in future large-scale throughput devices. (c) 2006 The Electrochemical Society.
引用
收藏
页码:H85 / H87
页数:3
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