Synthesis of carbon-encapsulated nanowires using polycyclic aromatic hydrocarbon precursors

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

doi:10.1016/0009-2614(96)00709-9

Synthesis of carbon-encapsulated nanowires using polycyclic aromatic hydrocarbon precursors

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

Northwestern University

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

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Abstract

A method using polycyclic aromatic hydrocarbon (PAH) precursors for synthesizing carbon nanotubes filled with pure copper or germanium is reported. A model is proposed where the interaction of small copper or germanium clusters with PAH molecules is shown to form carbon-encapsulated nanowires. The validity of this model is demonstrated by showing that filled nanotubes are formed in a hydrogen arc which produces PAH molecules when graphite electrodes are used. Alternatively, we have also used pyrene (C₁₆H₁₀), a PAH molecule, to grow encapsulated nanowires directly. No filled nanotubes are found in a helium arc which does not generate PAHs.

Original language	English
Pages (from-to)	547-553
Number of pages	7
Journal	Chemical Physics Letters
Volume	258
Issue number	5-6
DOIs	https://doi.org/10.1016/0009-2614(96)00709-9
Publication status	Published - Aug 23 1996

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "Synthesis of carbon-encapsulated nanowires using polycyclic aromatic hydrocarbon precursors",

abstract = "A method using polycyclic aromatic hydrocarbon (PAH) precursors for synthesizing carbon nanotubes filled with pure copper or germanium is reported. A model is proposed where the interaction of small copper or germanium clusters with PAH molecules is shown to form carbon-encapsulated nanowires. The validity of this model is demonstrated by showing that filled nanotubes are formed in a hydrogen arc which produces PAH molecules when graphite electrodes are used. Alternatively, we have also used pyrene (C16H10), a PAH molecule, to grow encapsulated nanowires directly. No filled nanotubes are found in a helium arc which does not generate PAHs.",

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

note = "Funding Information: This work is supportedb y the NSF under the grantD MR 93-20520T. he use of centrafl acilitieso f the MaterialsR esearchC enter,w hichis supportebdy the NSF undert heg rantD MR 91-20521i,s appreciated.",

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doi = "10.1016/0009-2614(96)00709-9",

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AU - Dai, J. Y.

AU - Lauerhaas, J. M.

AU - Setlur, A. A.

AU - Chang, R. P.H.

N1 - Funding Information: This work is supportedb y the NSF under the grantD MR 93-20520T. he use of centrafl acilitieso f the MaterialsR esearchC enter,w hichis supportebdy the NSF undert heg rantD MR 91-20521i,s appreciated.

PY - 1996/8/23

Y1 - 1996/8/23

N2 - A method using polycyclic aromatic hydrocarbon (PAH) precursors for synthesizing carbon nanotubes filled with pure copper or germanium is reported. A model is proposed where the interaction of small copper or germanium clusters with PAH molecules is shown to form carbon-encapsulated nanowires. The validity of this model is demonstrated by showing that filled nanotubes are formed in a hydrogen arc which produces PAH molecules when graphite electrodes are used. Alternatively, we have also used pyrene (C16H10), a PAH molecule, to grow encapsulated nanowires directly. No filled nanotubes are found in a helium arc which does not generate PAHs.

AB - A method using polycyclic aromatic hydrocarbon (PAH) precursors for synthesizing carbon nanotubes filled with pure copper or germanium is reported. A model is proposed where the interaction of small copper or germanium clusters with PAH molecules is shown to form carbon-encapsulated nanowires. The validity of this model is demonstrated by showing that filled nanotubes are formed in a hydrogen arc which produces PAH molecules when graphite electrodes are used. Alternatively, we have also used pyrene (C16H10), a PAH molecule, to grow encapsulated nanowires directly. No filled nanotubes are found in a helium arc which does not generate PAHs.

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Synthesis of carbon-encapsulated nanowires using polycyclic aromatic hydrocarbon precursors

Abstract

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