Ozone Sensors Working at Room Temperature Using Zinc Oxide Nanocrystals Annealed at Low Temperature

Ozone Sensors Working at Room Temperature Using Zinc Oxide Nanocrystals Annealed at Low Temperature

We focus on ozone (O3) detection at ambient temperature by Zinc Oxide (ZnO) nanoparticles (NPs) deposited on Si/SiO2 by spin coating from colloidal solutions as sensitive layers for air quality monitoring. We establish that at room temperature using continuous Ultra-Violet (UV) light irradiation enh...

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Bibliographic Details
Main Authors: Sandrine Bernardini, Mohamed Hameda Benchekroun, Tomas Fiorido, Khalifa Aguir, Marc Bendahan, Sadok Ben Dkhil, Meriem Gaceur, Jörg Ackermann, Olivier Margeat, Christine Videlot-Ackermann
Format: Article
Language:English
Published: MDPI AG 2017-08-01
Series:Proceedings
Subjects:
ozone gas
room-temperature
UV-photoactivated
ZnO nanoparticles
environment
Online Access:https://www.mdpi.com/2504-3900/1/4/423
Description
Summary:We focus on ozone (O3) detection at ambient temperature by Zinc Oxide (ZnO) nanoparticles (NPs) deposited on Si/SiO2 by spin coating from colloidal solutions as sensitive layers for air quality monitoring. We establish that at room temperature using continuous Ultra-Violet (UV) light irradiation enhances the sensing responses. Three annealing temperatures of ZnO films were performed to compare the sensing properties. These sensors present repeatable responses towards O3 with fast responses for concentrations as low as 35 ppb with processes compatible with most of flexible substrates.
ISSN:2504-3900

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