Single-Walled Carbon Nanotube Thin Film Gas Sensors Controlled by Diffusion

被引：10
|
作者：
Oh, Dong Hoon [1 ]
Nguyen Duc Hoa [1 ]
Kim, Dojin [1 ]
机构：
[1] Chungnam Natl Univ, Dept Mat Sci & Engn, Taejon 305764, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2011年 / 11卷 / 02期
关键词：
Gas Sensor; Conductor Model; Carbon Nanotube; SENSITIVITY; TRANSPARENT;
D O I：
10.1166/jnn.2011.3318
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The electrical and gas sensing properties of mat-type thin films fabricated by the packing of single-walled carbon nanotubes are investigated. The responses of the sensors with various thicknesses or resistances are measured, and the behavior is explained by a diffusion model. The successful explanation of the sensor response using the diffusion model suggests that the mat-type structure of compacted carbon nanotubes can be treated as a porous medium for gas sensor applications.
引用
收藏
页码：1601 / 1604
页数：4
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