Electrical and gas-sensitive properties of a SnO2-based nanocomposite with multiwalled carbon nanotubes

被引：3
|
作者：
Rembeza, S. I. [1 ]
Shmatova, Yu. V. [1 ]
Svistova, T. V. [1 ]
Rembeza, E. S. [1 ]
Kosheleva, N. N. [1 ]
机构：
[1] Voronezh State Univ, Voronezh 394026, Russia
来源：
SEMICONDUCTORS | 2012年 / 46卷 / 09期
基金：
俄罗斯基础研究基金会;
关键词：
Nanocomposite Film; Multiwalled Carbon Nanotubes; Surface Resistance; Free Carrier Concentration; Acetone Vapor;
D O I：
10.1134/S1063782612090187
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
This paper presents the results of study of the electrophysical and gas-sensitive properties of a SnO2-based film nanocomposite with the addition of multiwalled carbon nanotubes (to 7 wt %), produced by the hydrolysis of aqueous-alcoholic solutions of tin salts. The dependences of the free carrier mobility and concentration on the number of nanotubes in the composite, and the temperature dependences of the gas sensitivity to ethanol, acetone, and propanol vapors in air are studied. It is shown that the gas sensitivity of the nanocomposite containing similar to 1.75 wt % of nanotubes is 10-15 times higher in comparison with that of the pure SnO2 film.
引用
收藏
页码：1190 / 1193
页数：4
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