Electrical and gas-sensing properties of a thick film resistor of nanosized SnO2 with variable percentage of permanent binder

被引：13
作者：
Garje, A. D. [1 ]
Aiyer, R. C. [1 ]
机构：
[1] Univ Poona, Dept Phys, Ctr Adv Studies Mat Sci & Solid State Phys, Pune 411007, Maharashtra, India
来源：
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2006年 / 3卷 / 06期
关键词：
D O I：
10.1111/j.1744-7402.2006.02111.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanosized SnO2 powder was synthesized by thermal decomposition of tin di acetate at 380 degrees C. The effect of permanent binder (5, 10, 15, and 20 wt%) on the electrical and gas-sensing properties of thick film planar resistors shows sheet resistivity four to five orders of magnitude smaller, with comparatively low temperature coefficient of resistance. The sensors with 15 wt% of glass show the highest sensitivity toward H-2, CO, and liquefied petroleum gas (300 ppm) at optimal temperatures of 150 degrees, 220 degrees, and 190 degrees C, respectively, giving selectivity. The sensors are tested for 10-300 ppm of gas with a response and recovery time of 10 and 20 s, respectively.
引用
收藏
页码：477 / 484
页数：8
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