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Synthesis and CO Gas-Sensing Properties of CuO and Spinel Ferrite Nanocomposite Thin Films

Presmanes, Lionel and Chapelle, Audrey and Oudrhiri-Hassani, Fahd and Barnabé, Antoine and Tailhades, Philippe Synthesis and CO Gas-Sensing Properties of CuO and Spinel Ferrite Nanocomposite Thin Films. (2010) Sensor Letters, vol. 9 (n° 2). pp. 587-590. ISSN 1546-198X

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Official URL: http://dx.doi.org/10.1166/sl.2011.1568

Abstract

A nanocomposite thin film composed of tenorite (CuO) and spinel ferrite (CuxFe3−xO45 has been prepared by radio-frequency sputtering method followed by a post-deposition thermal annealing. The nanostructure was examined by grazing X-ray diffraction, atomic force microscopy and scanning electron microscopy. CuO-CuxFe3−xO4 nanocomposite layer was deposited on the top of screenprinted gold electrodes onto SiO2(200 nm)/Si substrate. It was found that this material contains p–n nano-heterojunctions, was sensitive to 500 ppm carbon monoxide at the operational temperature of 400 °C and exhibited a large response of 90%.

Item Type:Article
Additional Information:The definitive version is available at http://www.ingentaconnect.com/content/asp/senlet;jsessionid=38mtjainj1d48.alice
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
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Deposited By:Denis Faragou

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