Low-resistance gas sensors fabricated from multiwalled carbon nanotubes coated with a thin tin oxide layer

被引：187
|
作者：
Liang, YX [1 ]
Chen, YJ [1 ]
Wang, TH [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2004年 / 85卷 / 04期
基金：
中国国家自然科学基金;
关键词：
The authors acknowledge support from the Special Funds for Major State Basic Research Project No. G2001CB3095 in China and also from the National Natural Science Foundation of China through Grant Nos. 69925410 and 60236010;
D O I：
10.1063/1.1775879
中图分类号：
O59 [应用物理学];
学科分类号：
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.
引用
收藏
页码：666 / 668
页数：3
相关论文
共 46 条
  • [31] Suppression of recombinations in a dye-sensitized photoelectrochemical cell made from a film of tin IV oxide crystallites coated with a thin layer of aluminium oxide
    Kumara, GRRA
    Tennakone, K
    Perera, VPS
    Konno, A
    Kaneko, S
    Okuya, M
    JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2001, 34 (06) : 868 - 873
  • [32] A New Thermionic Cathode Based on Carbon Nanotubes With a Thin Layer of Low Work Function Barium Strontium Oxide Surface Coating
    Jin, Feng
    Liu, Yan
    Little, Scott A.
    Day, Christopher M.
    NANOTUBES, NANOWIRES, NANOBELTS AND NANOCOILS - PROMISE, EXPECTATIONS AND STATUS, 2009, 1142 : 191 - 196
  • [33] Flexible H2 sensors fabricated by layer-by-layer self-assembly thin film of multi-walled carbon nanotubes and modified in situ with Pd nanoparticles
    Su, Pi-Guey
    Chuang, Yuh-Suan
    SENSORS AND ACTUATORS B-CHEMICAL, 2010, 145 (01): : 521 - 526
  • [34] Porous indium oxide nanotubes:: Layer-by-layer assembly on carbon-nanotube templates and application for room-temperature NH3 gas sensors
    Du, Ning
    Zhang, Hui
    Chen, Bindi
    Ma, Xiangyang
    Liu, Zhihong
    Wu, Jianbo
    Yang, Deren
    ADVANCED MATERIALS, 2007, 19 (12) : 1641 - +
  • [35] Electron Transport Layer-Free Inverted Organic Solar Cells Fabricated with Highly Transparent Low-Resistance Indium Gallium Zinc Oxide/Ag/Indium Gallium Zinc Oxide Multilayer Electrode
    Kim, Jun Ho
    Kwon, Sung-Nam
    Na, Seok-In
    Kim, Sun-Kyung
    Yoo, Young-Zo
    Im, Hyeong-Seop
    Seong, Tae-Yeon
    JOURNAL OF ELECTRONIC MATERIALS, 2017, 46 (04) : 2140 - 2146
  • [36] Electron Transport Layer-Free Inverted Organic Solar Cells Fabricated with Highly Transparent Low-Resistance Indium Gallium Zinc Oxide/Ag/Indium Gallium Zinc Oxide Multilayer Electrode
    Jun Ho Kim
    Sung-Nam Kwon
    Seok-In Na
    Sun-Kyung Kim
    Young-Zo Yoo
    Hyeong-Seop Im
    Tae-Yeon Seong
    Journal of Electronic Materials, 2017, 46 : 2140 - 2146
  • [37] A novel antimony-carbon nanotube-tin oxide thin film: Carbon nanotubes as growth guider and energy buffer. Application for indoor air pollutants gas sensor
    Liu, Jinyun
    Guo, Zheng
    Meng, Fanli
    Jia, Yong
    Liu, Jinhuai
    JOURNAL OF PHYSICAL CHEMISTRY C, 2008, 112 (15): : 6119 - 6125
  • [38] Gas sensing properties of tin oxide thin films fabricated from hydrothermally treated nanoparticles -: Dependence of CO and H2 response on film thickness
    Sakai, G
    Baik, NS
    Miura, N
    Yamazoe, N
    SENSORS AND ACTUATORS B-CHEMICAL, 2001, 77 (1-2) : 116 - 121
  • [39] The beneficial effect of CO2 in the low temperature synthesis of high quality carbon nanofibers and thin multiwalled carbon nanotubes from CH4 over Ni catalysts
    Corthals, Steven
    Van Noyen, Jasper
    Geboers, Jan
    Vosch, Tom
    Liang, Duoduo
    Ke, Xiaoxing
    Hofkens, Johan
    Van Tendeloo, Gustaaf
    Jacobs, Pierre
    Sels, Bert
    CARBON, 2012, 50 (02) : 372 - 384
  • [40] An ultra-thin, flexible, low-cost and scalable gas diffusion layer composed of carbon nanotubes for high-performance fuel cells
    Wei, Jun
    Ning, Fandi
    Bai, Chuang
    Zhang, Ting
    Lu, Guanbin
    Wang, Huihui
    Li, Yali
    Shen, Yangbin
    Fu, Xuwei
    Li, Qingwen
    Jin, Hehua
    Zhou, Xiaochun
    JOURNAL OF MATERIALS CHEMISTRY A, 2020, 8 (12) : 5986 - 5994
12345