Low temperature cnt growth using gas-preheat method

Details Low temperature cnt growth using gas-preheat method Low temperature cnt growth using gas-preheat method

C - Chemistry, Metallurgy

01

B

C01B 31/02 (2006.01)

Patent

CA 2752525

A method for synthesizing carbon nanotubes (CNT) comprises the steps of providing a growth chamber, the growth chamber being heated to a first temperature sufficiently high to facilitate a growth of carbon nanotubes; and passing a substrate through the growth chamber; and introducing a feed gas into the growth chamber pre-heated to a second temperature sufficient to dissociate at least some of the feed gas into at least free carbon radicals to thereby initiate formation of carbon nanotubes onto the substrate.

Un procédé de synthétisation de nanotubes de carbone (CNT) comprend les étapes consistant à fournir une chambre de croissance, la chambre de croissance étant chauffée à une première température suffisamment élevée pour faciliter une croissance des nanotubes de carbone ; et à faire passer un substrat à travers la chambre de croissance ; et à introduire un gaz d'alimentation dans la chambre de croissance préchauffée à une seconde température suffisante afin de dissocier au moins une partie du gaz d'alimentation en au moins des radicaux de carbone libres, afin de débuter ainsi la formation de nanotubes de carbone sur le substrat.

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