The effect of arc parameters on the growth of carbon nanotubes

J. M. Lauerhaas; J. Y. Dai; A. A. Setlur; R. P.H. Chang

doi:10.1557/JMR.1997.0210

The effect of arc parameters on the growth of carbon nanotubes

J. M. Lauerhaas^*, J. Y. Dai, A. A. Setlur, R. P.H. Chang

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

The influence of starting carbon material on the generation of carbon nanotubes is investigated. Comparisons are made between oriented graphite, randomly oriented graphite, carbon black, and a polycyclic aromatic hydrocarbon as carbon sources in helium and hydrogen arcs. Transmission electron microscopy investigation of the redeposited rod formed on the cathode and the soot from the chamber walls provides evidence for the building blocks that lead to the nanostructures formed. It is postulated that polycyclic aromatic hydrocarbons are precursors for carbon nanotube growth in a hydrogen arc. While, in the case of helium, low molecular weight carbon ions and molecules have been previously hypothesized by others to be the building blocks for nanotube growth.

Original language	English (US)
Pages (from-to)	1536-1544
Number of pages	9
Journal	Journal of Materials Research
Volume	12
Issue number	6
DOIs	https://doi.org/10.1557/JMR.1997.0210
State	Published - Jun 1997

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1557/JMR.1997.0210

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title = "The effect of arc parameters on the growth of carbon nanotubes",

abstract = "The influence of starting carbon material on the generation of carbon nanotubes is investigated. Comparisons are made between oriented graphite, randomly oriented graphite, carbon black, and a polycyclic aromatic hydrocarbon as carbon sources in helium and hydrogen arcs. Transmission electron microscopy investigation of the redeposited rod formed on the cathode and the soot from the chamber walls provides evidence for the building blocks that lead to the nanostructures formed. It is postulated that polycyclic aromatic hydrocarbons are precursors for carbon nanotube growth in a hydrogen arc. While, in the case of helium, low molecular weight carbon ions and molecules have been previously hypothesized by others to be the building blocks for nanotube growth.",

author = "Lauerhaas, {J. M.} and Dai, {J. Y.} and Setlur, {A. A.} and Chang, {R. P.H.}",

note = "Funding Information: Funding for this work was provided by NSF under the Grant DMR 93-20520. The use of central facilities of the Materials Research Center, which was supported by the NSF under the Grant DMR 91-20521, is also appreciated.",

year = "1997",

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doi = "10.1557/JMR.1997.0210",

language = "English (US)",

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AU - Lauerhaas, J. M.

AU - Dai, J. Y.

AU - Setlur, A. A.

AU - Chang, R. P.H.

N1 - Funding Information: Funding for this work was provided by NSF under the Grant DMR 93-20520. The use of central facilities of the Materials Research Center, which was supported by the NSF under the Grant DMR 91-20521, is also appreciated.

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Y1 - 1997/6

N2 - The influence of starting carbon material on the generation of carbon nanotubes is investigated. Comparisons are made between oriented graphite, randomly oriented graphite, carbon black, and a polycyclic aromatic hydrocarbon as carbon sources in helium and hydrogen arcs. Transmission electron microscopy investigation of the redeposited rod formed on the cathode and the soot from the chamber walls provides evidence for the building blocks that lead to the nanostructures formed. It is postulated that polycyclic aromatic hydrocarbons are precursors for carbon nanotube growth in a hydrogen arc. While, in the case of helium, low molecular weight carbon ions and molecules have been previously hypothesized by others to be the building blocks for nanotube growth.

AB - The influence of starting carbon material on the generation of carbon nanotubes is investigated. Comparisons are made between oriented graphite, randomly oriented graphite, carbon black, and a polycyclic aromatic hydrocarbon as carbon sources in helium and hydrogen arcs. Transmission electron microscopy investigation of the redeposited rod formed on the cathode and the soot from the chamber walls provides evidence for the building blocks that lead to the nanostructures formed. It is postulated that polycyclic aromatic hydrocarbons are precursors for carbon nanotube growth in a hydrogen arc. While, in the case of helium, low molecular weight carbon ions and molecules have been previously hypothesized by others to be the building blocks for nanotube growth.

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The effect of arc parameters on the growth of carbon nanotubes

Abstract

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