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Article Dans Une Revue Applied Surface Science Année : 2010

CO2 sensing properties of semiconducting copper oxide and spinel ferrite nanocomposite thin film

Résumé

A new active layer for CO2 sensing based on semiconducting CuO–CuxFe3−xO4 (with 0 ≤ x ≤ 1) nanocomposite was prepared by radiofrequency sputtering from a delafossite CuFeO2 target using a specific in situ reduction method followed by post annealing treatment in air. The tenorite–spinel ferrite nanocomposite layer was deposited on a simplified test device and the response in a carbon dioxide atmosphere was measured by varying the concentration up to 5000 ppm, at different working temperatures (130–475 °C) and frequencies (0.5–250 kHz). The results showed a high response of 50% (Rair/RCO2=1.9) at 250 °C and 700 Hz for a CO2 concentration of 5000 ppm.
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hal-03551033 , version 1 (01-02-2022)

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Audrey Chapelle, Fahd Oudrhiri-Hassani, Lionel Presmanes, Antoine Barnabé, Philippe Tailhades. CO2 sensing properties of semiconducting copper oxide and spinel ferrite nanocomposite thin film. Applied Surface Science, 2010, 256 (14), pp.4715-4519. ⟨10.1016/j.apsusc.2010.02.079⟩. ⟨hal-03551033⟩
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