Optochemical sensing properties of thick films of titanium dioxide (titania) in anatase phase have been studied and compared with tin dioxide cassiterite. Anatase titania exhibits a large photoluminescence response to nitrogen dioxide, which acts as a luminescence enhancer. Intrinsic surface phenomena rather than bulk defectivity are proposed to account for the behaviour and the experimental results are fitted with the Langmuir model. Good operational performances working at room temperature are achieved.

Nanograined anatase titania-based optochemical gas detection

MALAGU', Cesare;CAROTTA, Maria Cristina;MARTINELLI, Giuliano
2008

Abstract

Optochemical sensing properties of thick films of titanium dioxide (titania) in anatase phase have been studied and compared with tin dioxide cassiterite. Anatase titania exhibits a large photoluminescence response to nitrogen dioxide, which acts as a luminescence enhancer. Intrinsic surface phenomena rather than bulk defectivity are proposed to account for the behaviour and the experimental results are fitted with the Langmuir model. Good operational performances working at room temperature are achieved.
2008
A., Setaro; S., Lettieri; D., Diamare; P., Maddalena; Malagu', Cesare; Carotta, Maria Cristina; Martinelli, Giuliano
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/527304
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