SYNTHESIS OF SMALL AND NARROW DIAMETER DISTRIBUTED CARBON SINGLE-WALLED NANOTUBES

SYNTHESIS OF SMALL AND NARROW DIAMETER DISTRIBUTED CARBON SINGLE-WALLED NANOTUBES

Method and processes for synthesizing single-wall carbon nanotubes is provided. A carbon precursor gas is contacted with metal catalysts deposited on a support material. The metal catalysts are preferably nanoparticles having diameters less than about 50nm. The reaction temperature is selected such...

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Bibliographische Detailangaben
Hauptverfasser: HARUTYUNYAN, AVETIK, FERNANDEZ, ELENA, MORA, TOKUNE, TOSHIO
Format: Patent
Sprache:eng ; fre
Schlagworte:
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
NATURAL OR ARTIFICIAL THREADS OR FIBRES
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SPINNING
TEXTILES
THEIR RELEVANT APPARATUS
TRANSPORTING
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Zusammenfassung:Method and processes for synthesizing single-wall carbon nanotubes is provided. A carbon precursor gas is contacted with metal catalysts deposited on a support material. The metal catalysts are preferably nanoparticles having diameters less than about 50nm. The reaction temperature is selected such that it is near the eutectic point of the mixture of metal catalyst particles and carbon. Procédé et processus pour la synthèse de nanotubes à paroi unique en carbone. On met en contact un gaz précurseur de carbone avec des catalyseurs métalliques déposés sur un matériau support. De préférence, ces catalyseurs sont des nanoparticules ayant un diamètre inférieur à environ 50 nm. La température de réaction est sélectionnée de sorte qu'elle s'approche du point eutectique propre au mélange des particules de catalyseur métallique et de carbone.