Polypyrrole based gas sensor for ammonia detection

被引：14
|
作者：
Dunst, K. J. [1 ]
Cysewska, K. [1 ]
Kalinowski, P. [1 ]
Jasinski, P. [1 ]
机构：
[1] Gdansk Univ Technol, Fac Elect Telecommun & Informat, Ul Narutowicza 11-12, PL-80233 Gdansk, Poland
来源：
39TH INTERNATIONAL MICROELECTRONICS AND PACKAGING IMAPS POLAND 2015 CONFERENCE | 2016年 / 104卷
关键词：
THIN-FILMS; COMPOSITE; TEMPERATURE; ELECTROLYTE; FABRICATION; PARAMETERS; MORPHOLOGY;
D O I：
10.1088/1757-899X/104/1/012028
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The nature of polypyrrole response to toxic gases does not allow using the sensor in a conventional way. The main aim of this study is to acquire the information about the concentration using different approaches: a linear approximation, a non-linear approximation and a tangent method. In this paper a two-steps procedure for sensor response measurements has been utilized. Polypyrrole films were electrochemically synthesized on the interdigitated electrodes. Gas sensing measurements of polypyrrole based sensor were carried out at room temperature. The influence of the flow rate on the sensing performance to NH3 were investigated. The preliminary studies of aging of the sensor were also explored.
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页数：8
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