NiO-TiO2 thick-films for detection of alcohol vapours at room temperature

被引：3
|
作者：
Arshak, KI [1 ]
Cavanagh, LM [1 ]
Gaidan, I [1 ]
Moore, EG [1 ]
Clifford, SA [1 ]
Phelan, R [1 ]
Cunniffe, C [1 ]
Harris, JA [1 ]
Lyons, GM [1 ]
机构：
[1] Univ Limerick, Khalil Arshak Elect & Comp Engn Dept, Limerick, Ireland
来源：
PROCEEDINGS OF THE IEEE SENSORS 2004, VOLS 1-3 | 2004年
关键词：
nickel oxide; titanium dioxide; gas sensor; thick film; polymer; binder;
D O I：
10.1109/ICSENS.2004.1426258
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The response of screen-printed thick-films of NiO/TiO(2) to organic solvent vapours was studied. It was found that these films displayed a significant resistance change in response to the vapours even at room temperature. The sensors displayed an inherent selectivity, proving most sensitive to toluene and propanol vapour; with comparatively low responses exhibited towards ethanol and methanol vapours. Very fast response and recovery times of 9s and 16s respectively were recorded for the devices upon exposure to 4,000ppm step changes in propanol concentration.
引用
收藏
页码：681 / 684
页数：4
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