Elaboration by the sol-gel process of fluorescent sensitive coatings for gas chemical sensors

N. Oudot; X. Le Guevel; C. Ambard; F. Pereira; P. Belleville; L. Hairault; K. Vallé; D. Autissier; C. Sanchez

doi:10.1117/12.927088

9 May 2012 Elaboration by the sol-gel process of fluorescent sensitive coatings for gas chemical sensors

N. Oudot, X. Le Guevel, C. Ambard, F. Pereira, P. Belleville, L. Hairault, K. Vallé, D. Autissier, C. Sanchez

Proceedings Volume 8439, Optical Sensing and Detection II; 84392M (2012) https://doi.org/10.1117/12.927088
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

Fluorescent chemical sensors have been widely exploited for the detection and quantification of trace explosives. Their performances are mainly dependent on the sensitive material. Fluorescent organic materials are very efficient in terms of sensitivity, selectivity and response time but their degradation is a major drawback. Sol-gel materials offer a much longer life span, especially in the case of inorganic sensitive coatings. The elaboration of sol-gel sensitive films is detailed in this paper. Two examples of sol-gel fluorescent sensitive materials are presented: a hybrid organic-inorganic film and an inorganic material.

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N. Oudot, X. Le Guevel, C. Ambard, F. Pereira, P. Belleville, L. Hairault, K. Vallé, D. Autissier, and C. Sanchez "Elaboration by the sol-gel process of fluorescent sensitive coatings for gas chemical sensors", Proc. SPIE 8439, Optical Sensing and Detection II, 84392M (9 May 2012); https://doi.org/10.1117/12.927088

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KEYWORDS

Sol-gels

Silica

Luminescence

Chemical fiber sensors

Explosives

Nanoparticles

Gas sensors

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