Microwave Based Ammonia Detection with Vertically Aligned Carbon Nanotube Arrays

被引：7
|
作者：
McGrath, Mark [1 ]
Pham, Anh-Vu H. [1 ]
机构：
[1] Univ Calif Davis, Dept Elect & Comp Engn, Davis, CA 95616 USA
来源：
SENSOR LETTERS | 2008年 / 6卷 / 05期
基金：
美国国家科学基金会;
关键词：
Vertically Aligned Carbon Nanotubes; Sensor; Wireless and Ammonia;
D O I：
10.1166/sl.2008.m142
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
We present the results of a microwave based sensor with a vertically grown multi-walled nanotube array as sensing materials. The sensitivity is measured to be -2.5 KHz/ppm for ammonia concentrations of 1000 ppm in an ambient environment. The frequency shift mechanism is explained.
引用
收藏
页码：719 / 722
页数：4
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