The alcohol-sensing behaviour of SnO2 nanorods prepared by a facile solid state reaction

被引：1
|
作者：
Gao, F. [1 ]
Ren, X. P. [2 ]
Wan, W. J. [1 ]
Zhao, Y. P. [1 ]
Li, Y. H. [3 ]
Zhao, H. Y. [1 ,4 ]
机构：
[1] Yunnan Univ, Sch Mat Sci & Engn, Kunming 650091, Peoples R China
[2] Yunnan Secur & Technol Co Ltd, Kunming 650033, Peoples R China
[3] Dali Univ, Adv Measurement & Anal Ctr, Dali 671200, Peoples R China
[4] Yunnan Key Lab Micro Nano Mat & Technol, Kunming 650091, Peoples R China
来源：
3RD INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS RESEARCH AND APPLICATIONS (AMRA 2016) | 2017年 / 170卷
基金：
中国国家自然科学基金;
关键词：
TEMPERATURE; PERFORMANCE;
D O I：
10.1088/1757-899X/170/1/012002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
SnO2 nanorods with the range of 12-85 nm in diameter were fabricated by a facile solid state reaction in the medium of NaCl-KCl mixture at room temperature and calcined at 600, 680, 760 and 840 C-circle, respectively. The XRD, TEM and XPS were employed to characterize the structure and morphology of the SnO2 nanorods. The influence of the calcination temperature on the gas sensing behaviour of the SnO2 nanorods with different diameter was investigated. The result showed that all the sensors had good response to alcohol. The response of the gracile nanorods prepared at a low calcined temperature demonstrated significantly better than the thick nanorods prepared at a high calcined temperature. The mechanism was attributed to the nonstoichiometric ratio of Sn/O and larger surface area of the gracile nanorods to enhance the oxygen surface adsorption.
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页数：6
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