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Capacitive CO2 sensor

: Boudaden, Jamila; Klumpp, Armin; Endres, Hanns-Erik; Eisele, Ignaz

Volltext urn:nbn:de:0011-n-4916758 (606 KByte PDF)
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Erstellt am: 1.5.2018

Proceedings. MDPI AG 1 (2017), Nr.4, Art. 472, 5 S.
ISSN: 2504-3900
Eurosensors Conference <31, 2017, Paris>
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer EMFT ()
chemical gas sensor; CO2 sensor; capacitive sensor

The objective of the present paper is to provide a concept for a chemical sensor having a small size, a low power consumption and a high reliability for sensing CO2 under different humidity levels at atmospheric pressure, while maintaining a long term stability under working conditions. A high temperature regeneration process of the sensing layer is unneeded to ensure a long term stability of the sensing material. This objective is achieved by using a hybrid organic-inorganic nanomaterial, consisting of inorganic nanoparticles functionalized with an amine-based polymer.