Gas-sensing properties of sensors based on single-crystalline SnO2 nanorods prepared by a simple molten-salt method

被引：149
|
作者：
Wang, Dan [1 ]
Chu, Xiangfeng [1 ]
Gong, Menglian [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2006年 / 117卷 / 01期
关键词：
SnO2; nanorod; gas sensor;
D O I：
10.1016/j.snb.2005.11.022
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Sensors were fabricated by using single-crystalline SnO2 nanorods prepared by a molten-salt method and their gas-sensing properties were investigated. It was found that the gas-sensing properties were dependent on the preparing conditions. The sensor based on the SnO2 nanorods prepared with NP10 as a surfactant (sensor B) showed better performance than that with NP5 as a surfactant (sensor A). The two type sensors showed high response to volatile gases containing N or O atoms while showed low response to other volatile gases. The sensors showed good gas-sensing characters such as short response and recovery time, and a low detection limit. Especially, the response of sensor B to 1 ppm triethylamine attained 3.0 when operating at 350 degrees C. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：183 / 187
页数：5
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