Low-resistance gas sensors fabricated from multiwalled carbon nanotubes coated with a thin tin oxide layer | |
Liang, YX ; Chen, YJ ; Wang, TH | |
刊名 | APPLIED PHYSICS LETTERS
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2004 | |
卷号 | 85期号:4页码:666 |
关键词 | FILMS |
ISSN号 | 0003-6951 |
通讯作者 | Wang, TH: Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China. |
中文摘要 | Gas sensors have been fabricated from multiwalled carbon nanotubes (MWNTs) coated with a thin tin oxide layer, and have been used to detect oxidizing and reducing gases down to a ppm level. The barriers between the tin oxide nanocrystal grains on the MWNTs dominate the sensor resistance in different gases, and the conducting carriers in the MWNTs have a low resistance, which make the resistance of the sensors much lower than that of SnO2 nanobelt sensors. The resistance is 130 kOmega in air, 230 kOmega in 2 ppm NO2, and 2.8 MOmega in 50 ppm NO2, so that impedance matching with amplifying circuits can be easily achieved. (C) 2004 American Institute of Physics. |
收录类别 | SCI |
语种 | 英语 |
公开日期 | 2013-09-18 |
内容类型 | 期刊论文 |
源URL | [http://ir.iphy.ac.cn/handle/311004/41046] ![]() |
专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
推荐引用方式 GB/T 7714 | Liang, YX,Chen, YJ,Wang, TH. Low-resistance gas sensors fabricated from multiwalled carbon nanotubes coated with a thin tin oxide layer[J]. APPLIED PHYSICS LETTERS,2004,85(4):666. |
APA | Liang, YX,Chen, YJ,&Wang, TH.(2004).Low-resistance gas sensors fabricated from multiwalled carbon nanotubes coated with a thin tin oxide layer.APPLIED PHYSICS LETTERS,85(4),666. |
MLA | Liang, YX,et al."Low-resistance gas sensors fabricated from multiwalled carbon nanotubes coated with a thin tin oxide layer".APPLIED PHYSICS LETTERS 85.4(2004):666. |
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