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2001•The Journal of Chemical PhysicsRequires access

Diameter control of single-walled carbon nanotubes using argon–helium mixture gases

Samir Farhat, Marc Lamy de la Chapelle, Annick Loiseau, Carl D. Scott, S. Lefrant, Catherine Journet, P. Bernier

Open publisher page 92 citations

Abstract

A method is reported for controlling the diameter of single-walled carbon nanotubes (SWCNTs) during the electric-arc-discharge process. Using argon as inert atmosphere provides smaller diameters as compared with those when pure helium is used. Varying the gas mixture from argon to helium changes the diameter distribution to higher values. A linear fit of the average diameter shows a 0.2 Å diam decrease per 10% increase in the argon–helium ratio.

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What this paper is about

A method is reported for controlling the diameter of single-walled carbon nanotubes (SWCNTs) during the electric-arc-discharge process. Using argon as inert atmosphere provides smaller diameters as compared with those when pure helium is used. Varying the gas mixture from argon to helium changes the diameter distribution to higher values. A linear fit of the average diameter shows a 0.2 Å diam decrease per 10% increase in the argon–helium ratio.

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OpenAlex reports 92 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A method is reported for controlling the diameter of single-walled carbon nanotubes (SWCNTs) during the electric-arc-discharge process. Using argon as inert atmosphere provides smaller diameters as compared with those when pure helium is used. Varying the gas mixture from argon to helium changes the diameter distribution to higher values. A linear fit of the average diameter shows a 0.2 Å diam decrease per 10% increase in the argon–helium ratio.

Key concepts: Argon, Helium, Inert gas, Materials science, Electric arc, Carbon nanotube, Carbon fibers, Argon gas

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