期刊
PROCEEDINGS OF THE 30TH ANNIVERSARY EUROSENSORS CONFERENCE - EUROSENSORS 2016
卷 168, 期 -, 页码 264-267出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.proeng.2016.11.185
关键词
gas sensor; microwave transduction; titania; transmission measurements
This work presents new microwave-based sensing measurements for the detection of NH3 using metal-oxide sensitive layers, namely titanium dioxide nanoparticles (P25 Degussa). Several designs have been tested to assess the influence of the design on the microwave gas sensing response. The results for microstrip interdigital capacitor, rectangular spiral antenna and spiral resonator are presented over a wide range of frequencies (2-8 GHz). All designs were firstly optimized by numerical simulation, then experimentally tested in presence of ammonia (from 100 to 500 ppm in an argon flow). (C) 2016 The Authors. Published Elsevier Ltd.
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