Environmental monitoring field tests using screen-printed thick-film sensors based on semiconducting oxides

被引：0
|
作者：
Traversa, E [1 ]
Sadaoka, Y [1 ]
Carotta, MC [1 ]
Martinelli, G [1 ]
机构：
[1] Univ Roma Tor Vergata, Dept Chem Sci & Technol, I-00133 Rome, Italy
来源：
TECHNICAL DIGEST OF THE SEVENTH INTERNATIONAL MEETING ON CHEMICAL SENSORS | 1998年
关键词：
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
SnO2, LaFeO3, and SmFeO3 thick films were prepared by screen-printing technology on alumina substrates with comb-type Au electrodes. An array of thick-film prototype sensors has been placed beside a conventional station for environmental monitoring. Field tests have been performed by measuring the change in conductivity of the thick films exposed to real atmosphere. Their electrical response has been compared with the results of the analytical instruments for environmental monitoring. The same trend was observed for both systems, with very promising results. This allows us to consider as feasible the use of these sensors for cheap, innovative stations for air quality control.
引用
收藏
页码：169 / 171
页数：3
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