Growth of single-wall carbon nanotubes within an ordered array of nanosize silica spheres

A. Lan; Z. Iqbal; A. Aitouchen; M. Libera; H. Grebel

doi:10.1063/1.1492846

Growth of single-wall carbon nanotubes within an ordered array of nanosize silica spheres

A. Lan, Z. Iqbal, A. Aitouchen, M. Libera, H. Grebel

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32 Scopus citations

Abstract

Single-wall carbon nanotubes (SWCNTs), which were well-separated individuals or, small bundles of two to five tubes, were produced in a controllable manner by disproportionation of CO at 700°C and 1 atm in the voids of an ordered array of silica spheres with embedded bimetallic Mo/Co catalytic particles. A combination of transmission electron microscopy, electron energy-loss spectroscopy, and Raman scattering excited with an Ar laser at λ=514.5nm (2.41 eV), was used to characterize the nanotubes. The corresponding Raman spectra strongly indicate that these nanotubes are primarily chiral. This method offers a valid route for a high-quality single-step production of SWCNT composites for mechanical, electronic, and optoelectronic applications.

Original language	English (US)
Pages (from-to)	433-435
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	3
DOIs	https://doi.org/10.1063/1.1492846
State	Published - Jul 15 2002

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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abstract = "Single-wall carbon nanotubes (SWCNTs), which were well-separated individuals or, small bundles of two to five tubes, were produced in a controllable manner by disproportionation of CO at 700°C and 1 atm in the voids of an ordered array of silica spheres with embedded bimetallic Mo/Co catalytic particles. A combination of transmission electron microscopy, electron energy-loss spectroscopy, and Raman scattering excited with an Ar laser at λ=514.5nm (2.41 eV), was used to characterize the nanotubes. The corresponding Raman spectra strongly indicate that these nanotubes are primarily chiral. This method offers a valid route for a high-quality single-step production of SWCNT composites for mechanical, electronic, and optoelectronic applications.",

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AU - Lan, A.

AU - Iqbal, Z.

AU - Aitouchen, A.

AU - Libera, M.

AU - Grebel, H.

PY - 2002/7/15

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AB - Single-wall carbon nanotubes (SWCNTs), which were well-separated individuals or, small bundles of two to five tubes, were produced in a controllable manner by disproportionation of CO at 700°C and 1 atm in the voids of an ordered array of silica spheres with embedded bimetallic Mo/Co catalytic particles. A combination of transmission electron microscopy, electron energy-loss spectroscopy, and Raman scattering excited with an Ar laser at λ=514.5nm (2.41 eV), was used to characterize the nanotubes. The corresponding Raman spectra strongly indicate that these nanotubes are primarily chiral. This method offers a valid route for a high-quality single-step production of SWCNT composites for mechanical, electronic, and optoelectronic applications.

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Growth of single-wall carbon nanotubes within an ordered array of nanosize silica spheres

Abstract

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