A Microwave Gas Sensor Using Interdigital Resonator Coated with Conducting Polymer for Agricultural Applications

Kudpun, Warunee; Duangrit, Nattapong; Chudpooti, Nonchanutt; Lorwongtragool, Panida; Seewattanapon, Somporn; Akkaraekthalin, Prayoot

doi:10.1109/cama47423.2019.8959697

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Pedot-based Radio-frequency/microwave Chemical Gas Sensors1

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Cited by 9 publications

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“…Kudpun et al proposed an interdigital resonator-based gas sensor with PEDOT:PSS [88]. The resonance frequency of the interdigital resonator was 3.584 GHz, and the sensor detected ammonia gas ranging from 50 ppm to 2000 ppm by the frequency shift.…”

Section: Pedot-based Radio-frequency/microwave Chemical Gas Sensorsmentioning

confidence: 99%

Radio-Frequency/Microwave Gas Sensors Using Conducting Polymer

et al. 2020

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In this review, the advances in radio-frequency (RF) /microwave chemical gas sensors using conducting polymers are discussed. First, the introduction of various conducting polymers is described. Only polyaniline (PANi), polypyrrole (PPy) and poly(3,4-ethylenedioxythiophene) (PEDOT), which are mainly used for gas sensors in RF/microwave region, are focused in this review. Sensing mechanism of the three conducting polymers are presented. And the RF/microwave characteristics and RF/microwave applications of the three conducting polymers are discussed. Moreover, the gas sensors using conducting polymers in RF/microwave frequencies are described. Finally, the the challenges and the prospects of the next generation of the RF/microwave based chemical sensors for wireless applications are proposed.

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Section: Pedot-based Radio-frequency/microwave Chemical Gas Sensorsmentioning

confidence: 99%