Influence of film-thickness on the ozone detection of perovskite La0.8Pb0.1Ca0.1Fe1−xCoxO3 based sensors - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue New Journal of Chemistry Année : 2021

Influence of film-thickness on the ozone detection of perovskite La0.8Pb0.1Ca0.1Fe1−xCoxO3 based sensors

Influence de l'épaisseur d'un film de perovskite La0.8Pb0.1Ca0.1Fe1-xCoxO3 dans la détection de l'ozone

Résumé

In this study, La0.8Pb0.1Ca0.1Fe1−xCoxO3 (x = 0.10 and x = 0.20) thin films with respective thicknesses of 300 and 600 nm have been prepared by the drop coating technique onto a Si/SiO2 substrate with platinum interdigitated electrodes. The effects of cobalt-content and film thickness on the ozone sensing properties have been studied. The sensor responses have been determined in an operating temperature range between 160 and 280 °C. Sensors have been exposed to different concentrations between 50 and 400 ppb of ozone gas at a constant flow rate of 500 ml min−1 dry air. The studied La0.8Pb0.1Ca0.1Fe1−xCoxO3 (x = 0.10 and x = 0.20) compounds could be a promising sensitive film for ozone detection, especially for the thinnest sensitive layer, 300 nm in our case.
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Dates et versions

hal-03605432 , version 1 (11-03-2022)

Identifiants

Citer

S Smiy, M Bejar, E Dhahri, T Fiorido, K Aguir, et al.. Influence of film-thickness on the ozone detection of perovskite La0.8Pb0.1Ca0.1Fe1−xCoxO3 based sensors. New Journal of Chemistry, 2021, 45 (26), pp.11626-11635. ⟨10.1039/D1NJ01368H⟩. ⟨hal-03605432⟩
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