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Article Dans Une Revue International Journal On Advances in Systems and Measurements Année : 2017

Aluminum-doped Zinc Oxide Nanoparticles Sensing Properties Enhanced by Ultraviolet Light

Résumé

The development of room-temperature gas sensors for nitrogen dioxide gases is of great importance for air quality monitoring due to unhealthy impact on human life and environment. In this work, we focus on Aluminum-doped Zinc Oxide sensing properties. We compare nitrogen dioxide detection at room temperature in dark and under ultraviolet or blue illuminations. Working temperature from 25°C up to 100°C have been also performed in dark and under UV and blue Light Emitted Diodes. Aluminum-doped Zinc Oxide nanoparticles have been deposited by drop coating from colloidal solution as sensitive layer for air quality monitoring on Si/SiO2 substrate. Herein, a brief description of the process steps will be provided. We demonstrate that UV light and temperature enhance gas-sensing properties with good reversibility and repeatability.
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Dates et versions

hal-01705661 , version 1 (09-02-2018)

Identifiants

  • HAL Id : hal-01705661 , version 1

Citer

Sandrine Bernardini, Tomas Fiorido, Khalifa Aguir, Meriem Gaceur, Olivier Margeat, et al.. Aluminum-doped Zinc Oxide Nanoparticles Sensing Properties Enhanced by Ultraviolet Light. International Journal On Advances in Systems and Measurements, 2017, 10 (3 & 4), pp.206-211. ⟨hal-01705661⟩
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