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Proceedings 2017, 1(4), 314; doi:10.3390/proceedings1040314

Ionogel—Based Composite Material for CO2 Sensing Deposited on a Chemiresistive Transducer

1
Institut für Mikrosystemtechnik—IMTEK, Freiburg, Germany
2
Fraunhofer IPM, Freiburg, Germany
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 17 August 2016
(This article belongs to the Proceedings of Eurosensors 2017)
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Abstract

A novel miniaturized carbon dioxide (CO2) sensor based on an IDE transducer is described and characterized. The CO2 sensor based on different semiconducting metal oxide and ionogel composites films deposited by ink-jet printing. The sensor is operated as a simple chemiresistor. The sensors were investigated under trace gas exposure (CO2, NO2, CO and humidity). The CO2 sensitivity is found to be exceptionally high and the sensing mechanism is supposed to be entirely different compared to those of the components of the composite.
Keywords: ionic liquid; ionogel; gas sensing; composite; hybrid; metal oxide; chemiresistor; CO2; carbon dioxide; inkjet printing ionic liquid; ionogel; gas sensing; composite; hybrid; metal oxide; chemiresistor; CO2; carbon dioxide; inkjet printing
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Ersoez, B.; Bauersfeld, M.-L.; Wöllenstein, J. Ionogel—Based Composite Material for CO2 Sensing Deposited on a Chemiresistive Transducer. Proceedings 2017, 1, 314.

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