Methods for preparing and functionalizing nanoparticles

Details Methods for preparing and functionalizing nanoparticles Methods for preparing and functionalizing nanoparticles

B - Operations, Transporting

32

B

B32B 5/16 (2006.01) C01F 17/00 (2006.01) C09K 11/08 (2006.01)

Patent

CA 2544129

Fluorescent or phosphorescent nanoparticles, fluorescent or phosphorescent magnetic nanoparticles, combustion-based methods for their synthesis, and methods to flanctionalize them are described. The methods provided by the invention are simplified, efficient and cost effective as compared to prior art methods. The resulting fluorescent or phosphorescent nanoparticles have reduced tendancy toward aggregation, and diminished need for postmanufacturing processing steps. The particles may be manufactured with combinations of lanthanides so as to absorb and emit light over a variety of wavelengths.

L'invention concerne des nanoparticules fluorescentes ou phosphorescentes, des nanoparticules magnétiques fluorescentes ou phosphorescentes, des procédés à base de combustion pour leur synthèse, et leurs procédés de fonctionnalisation. Les procédés selon l'invention sont simplifiés, efficaces et économiques comparé aux procédés selon l'état de la technique. Les nanoparticules fluorescentes ou phosphorescentes ainsi obtenues ont une tendance réduite à l'agrégation, et un moindre besoin des étapes de traitement de postfabrication. Ces particules peuvent être produites avec des combinaisons de lanthanides de manière à absorber et émettre de la lumière d'une variété de longueurs d'ondes.

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