STABILIZATION OF SNO2 SINTERED GAS SENSORS

被引：25
|
作者：
MATSUURA, Y
TAKAHATA, K
机构：
[1] Figaro Engineering Inc., Minoo City, Osaka, 562
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 1991年 / 5卷 / 1-4期
关键词：
D O I：
10.1016/0925-4005(91)80248-I
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In order to improve the long-term stability of SnO2 sintered gas sensors, 31 kinds of metal elements have been added and their stability over a long period of time studied. Sensor materials with metal element dopants are characterized by measurements of hydrogen oxidation reactivity and X-ray diffractometry. The addition of rhenium and vanadium results in excellent stability, reducing the changes in hydrogen oxidation reactivity of the sensor elements over a long period of time. The X-ray analysis indicates that these addition effects are independent of the inhibition of SnO2 crystallite growth.
引用
收藏
页码：205 / 209
页数：5
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