Methane gas sensing behavior of lithium ion doped carbon nanotubes sensor

被引：25
|
作者：
Chen, Xiaoyu [1 ]
Huang, Zonghou [1 ]
Li, Jia [1 ]
Wu, Chunlei [1 ]
Wang, Zhan [1 ]
Cui, Yuming [2 ]
机构：
[1] China Univ Min & Technol, Jiangsu Key Lab Fire Safety Urban Underground Spa, Xuzhou 221116, Jiangsu, Peoples R China
[2] Ludong Univ, Sch Chem & Mat Sci, Yantai 264025, Peoples R China
来源：
VACUUM | 2018年 / 154卷
基金：
中国国家自然科学基金;
关键词：
Sensor; Methane; Lithium ion; Carbon nanotubes; NO2; CONDUCTIVITY; STORAGE;
D O I：
10.1016/j.vacuum.2018.04.053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A sensor for detecting and estimating methane using lithium ion doped carbon nanotubes as the sensing element has been developed. The sensitivity of the sensor increases linearly with the methane content in the concentration range of 50-500 ppm and the maximum sensitivity is about 14.5% at 500 ppm. Characteristics such as repeatability, selectivity, stability of the sensor have been investigated. The results indicate the sensor exhibits good sensitivity and selectivity to methane, and is repeatable and stable. A reliable and convenient method of developing a methane gas sensor has been proposed.
引用
收藏
页码：120 / 128
页数：9
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