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Proceedings 2017, 1(4), 407;

Hybrid and Bio Nanocomposites for Ultrasensitive Ammonia Sensors

SAGE—Département Sciences de l’Atmosphère et Génie de l’Environnement, IMT Lille Douai, Université Lille, 59000 Lille, France
Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Science of Ukraine, O21260 Kyiv, Ukraine
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Author to whom correspondence should be addressed.
Published: 11 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
PDF [564 KB, uploaded 15 August 2017]


New organic electronic organic ammonia sensors based on hybrid nanocomposites polyaniline-titanium dioxide and on PANI/chitosan with high metrological performances were created. The physical and chemical properties of the nanocomposites were optimized to get a high sensitivity and very low detection threshold (in ppb values). For hybrids, in the core shell form, the performances were analyzed by the synergetic effects of the constituents. For biopolymers it is possible to get high performances ammonia sensors using the way of green chemistry. In both cases the nanocomposites worked at room temperature and showed linear responses with a response time around one minute.
Keywords: ammonia gas sensors; polyaniline; nanohybrid composites; biopolymers; chitosan ammonia gas sensors; polyaniline; nanohybrid composites; biopolymers; chitosan
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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Wojkiewicz, J.-L.L.; Redon, N.; Pud, A.; Mikhaylov, S.; Ogurtsov, N.; Noskov, Y.; Collard, C.; Li, W. Hybrid and Bio Nanocomposites for Ultrasensitive Ammonia Sensors. Proceedings 2017, 1, 407.

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