Zinc oxide particles

C - Chemistry – Metallurgy – 01 – G

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Details

C01G 9/02 (2006.01) C22B 19/00 (2006.01) H01C 7/112 (2006.01)

Patent

CA 2364262

A collection of zinc oxide nanoparticles have been produced by laser pyrolysis (300). The zinc oxide nanoparticles have average particle diameters of less than about 95 nm and a very narrow particle size distribution. The laser pyrolysis process is characterized by the production of a reactant stream within the reaction chamber, where the reactant stream includes a zinc precursor and other reactants. The zinc precursor can be delivered as an aerosol.

Selon l'invention, on produit un ensemble de nanoparticules d'oxyde de zinc à l'aide d'une pyrolyse par laser (300). Ces nanoparticules possèdent des diamètres particulaires moyens inférieurs à environ 95 nm ainsi qu'une répartition dimensionnelle très étroite des particules. Ce procédé de pyrolyse par laser est caractérisé par la production d'un courant réactif, dans la chambre de réaction, le courant réactif comprenant un précurseur de zinc et d'autres réactifs. Le précurseur de zinc peut être apporté sous forme d'un aérosol.

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