VOCs monitoring using microwave capacitive resonator and conductive polymer -- MWCNTs nanocomposites for environmental applications

Prince Bahoumina (IMS) , Hamida Hallil (IMS) , Jean-Luc Lachaud (IMS) , Aymen Abdelghani (XLIM) , Kamel Frigui (XLIM) , St\'ephane Bila (XLIM) , Dominique Baillargeat (XLIM) , Qing Zhang (NTU

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UMI CINTRA) Philippe Coquet (UMI CINTRA Iemn) Carlos Paragua (IEMN) Emmanuelle Pichonat (IEMN) Henri Happy (IEMN) Dominique Rebi\`ere (IMS) Corinne Dejous (IMS)

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classification ⚛️ physics.ins-det

keywords ethanolmicrowaveresonatorsensortoluenevaporsvocsadaptable

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This paper presents a chemical microwave flexible sensor based on a resonant electromagnetic transducer in micro-strip technology with poly (3,4-ethylenedioxythiophene) polystyrene sulfonate -- multi wall carbon nanotubes (PEDOT:PSS-MWCNTs) as sensitive material for Volatile Organic Compounds (VOCs) detection. The results show a high sensitivity to ethanol and toluene vapors on the S parameters of a passive resonator over a large frequency range. It is equal to -1.59 kHz/ppm and -1.45 kHz/ppm for ethanol and toluene vapors respectively. This kind of sensor can be integrated into real-time multi-sensing platform adaptable for the Internet of Things (IoT).

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VOCs monitoring using microwave capacitive resonator and conductive polymer -- MWCNTs nanocomposites for environmental applications

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