C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 31/02 (2006.01)
Patent
CA 2504214
A method for producing aligned carbon nanotubes and/or nanofibres comprises providing finely divided substrate particles having substantially smooth faces with radii of curvature of more than 1 ~m and of length and breadth between 1 ~m and 5 mm and having catalyst material on their surface and a carbon- containing gas at a temperature and pressure at which the carbon-containing gas will react to form carbon when in the presence of the supported catalyst, and forming aligned nanotubes and/or nanofibres by the carbon-forming reaction.
L'invention concerne un procédé de fabrication de nanotubes et/ou de nanofibres de carbone alignés, consistant à se munir de particules de substrat finement divisées présentant des côtés essentiellement lisses de rayon de courbure supérieur à 1 ?m, et de longueur et de largeur comprises entre 1 ?m et 5 mm, lesdites particules comportant un matériau catalytique à leur surface. Le procédé selon l'invention consiste également à faire intervenir un gaz contenant du carbone, à une température et une pression auxquelles ledit gaz va réagir pour former du carbone lorsqu'il se trouve en présence du catalyseur, et à former des nanotubes et/ou des nanofibres alignés au moyen de la réaction de formation de carbone.
Kinloch Ian
Koziol Krzysztof K. K.
Shaffer Milo Sebastian Peter
Singh Charanjeet
Windle Alan H.
Cambridge University Technical Services Limited
Cameron Ip
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