Method of manufacture of colloidal rod particles as nanobar...

C - Chemistry – Metallurgy – 25 – D

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C25D 5/02 (2006.01) B01J 13/00 (2006.01) B01J 19/00 (2006.01) B01J 19/10 (2006.01) B22F 1/00 (2006.01) C25D 1/04 (2006.01) C30B 30/02 (2006.01) G01N 33/543 (2006.01) H01F 1/00 (2006.01)

Patent

CA 2387992

An apparatus and synthetic methods for manufacture of segmented nanoparticles are described. The nanoparticles of the present invention may be comprised of any material, including metal, metal chalcogenide, a metal oxide, a metal sulfide, a metal selenide, a metal telluride, a metal alloy, a metal nitride, a metal phosphide, a metal antimonide, a semiconductor, a semi-metal or any organic or inorganic material. The method employs electrochemical deposition of metals inside a template wherein the process is improved, separately and collectively, by i) electroplating in an ultrasonication bath; and ii) controlling the temperature of the deposition environment, preferably by using a recirculating temperature bath.

L'invention concerne un appareil et des procédés synthétiques permettant de fabriquer des nanoparticules segmentées. Les nanoparticules de la présente invention peuvent être constituées de toute matière, y compris le métal, le chalcogénure de métal, un oxyde métallique, un sulfure métallique, un séléniure métallique, une tellurure métallique, un alliage métallique, un nitrure métallique, un phosphure métallique, un antimonure métallique, un semiconducteur, un semi-métal ou toute matière organique ou inorganique. Le procédé repose sur l'utilisation du dépôt électrochimique de métaux à l'intérieur d'un gabarit, le procédé étant amélioré séparement et collectivement, i) par déposition électrolytique dans un bain d'ultrasonication, et ii) par régulation de la température de l'environnement du dépôt, de préférence au moyen d'un bain thermique de recirculation.

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