THICK-FILM HYDROCARBON-GAS SENSORS

被引：55
|
作者：
LEE, DD [1 ]
CHOI, DH [1 ]
机构：
[1] CHONGJU UNIV,DEPT SEMICOND ENGN,CHOONGCHUNG BUKDO,SOUTH KOREA
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 1990年 / 1卷 / 1-6期
关键词：
D O I：
10.1016/0925-4005(90)80207-G
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
γ-Fe2O3 thick-film hydrocarbon gas sensors have been fabricated and their characteristics investigated. The sensitivity of a γ-Fe2O3 thick film without any other catalysts heat treated at 400 °C for 2 h is 70% in 1000 ppm C4H10 ambient at an operating temperature of 300 °C. The addition of Pd(1 wt.%) to γ-Fe2O3 enhances the sensitivity to butane gas. The sensitivity of γ-Fe2O3/SnCl4·5H2 O(0.5wt.%)/Pd(1wt.%) film heat treated at 400 °C for 2 h to 1000 ppm C4H10 is 80% at an operating temperature of 300 °C. © 1990.
引用
收藏
页码：231 / 235
页数：5
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