EFFECT OF ALKALINE OXIDE ADDITION ON THE HUMIDITY SENSITIVITY OF NB2O5-DOPED TIO2

被引：44
|
作者：
KATAYAMA, K [1 ]
HASEGAWA, H [1 ]
NODA, T [1 ]
AKIBA, T [1 ]
YANAGIDA, H [1 ]
机构：
[1] UNIV TOKYO,ADV SCI & TECHNOL RES CTR,TOKYO 153,JAPAN
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 1990年 / 2卷 / 02期
关键词：
D O I：
10.1016/0925-4005(90)80023-S
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The effect of alkaline oxides on the humidity sensitivity of Nb2O5-doped TiO2 is investigated. The addition of alkaline oxides affects the humidity sensitivity as well as the microstructure. In particular, a sample containing K2O exhibits faster response and stable humidity sensitivity even after being maintained at 50 °C. This stable sensitivity may be attributed to physisorbed water, which is rarely desorbed at 50 °C. © 1990.
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收藏
页码：143 / 149
页数：7
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