Multiple splitting of G-band modes from individual multiwalled carbon nanotubes

Xinluo Zhao; Yoshinori Ando; Lu Chang Qin; Hiromichi Kataura; Yutaka Maniwa; Riichiro Saito

doi:10.1063/1.1502196

Multiple splitting of G-band modes from individual multiwalled carbon nanotubes

Xinluo Zhao, Yoshinori Ando, Lu Chang Qin, Hiromichi Kataura, Yutaka Maniwa, Riichiro Saito

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

77 Citations (Scopus)

Abstract

Surface-enhanced Raman scattering spectra of an individual multiwalled carbon nanotube (MWNT) with the innermost diameter ∼1nm, prepared by hydrogen arc discharge, show a single peak of radial breathing mode and multiple splitting of the tangential stretching G-band modes. Based on Lorentzian line shape analysis and related theoretical calculations, the G-band modes of MWNT are confirmed to be composed of both G-band modes (linewidth 4cm^-1) from the innermost tube and graphite-like mode (linewidth ∼20cm ^-1) from the outer cylinders in MWNT. This observation indicates that MWNTs are unique and possess characteristic Raman spectra different from other sp² carbon allotropes.

Original language	English
Pages (from-to)	2550-2552
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	14
DOIs	https://doi.org/10.1063/1.1502196
Publication status	Published - 2002 Sep 30
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Multiple splitting of G-band modes from individual multiwalled carbon nanotubes",

abstract = "Surface-enhanced Raman scattering spectra of an individual multiwalled carbon nanotube (MWNT) with the innermost diameter ∼1nm, prepared by hydrogen arc discharge, show a single peak of radial breathing mode and multiple splitting of the tangential stretching G-band modes. Based on Lorentzian line shape analysis and related theoretical calculations, the G-band modes of MWNT are confirmed to be composed of both G-band modes (linewidth 4cm-1) from the innermost tube and graphite-like mode (linewidth ∼20cm -1) from the outer cylinders in MWNT. This observation indicates that MWNTs are unique and possess characteristic Raman spectra different from other sp2 carbon allotropes.",

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AU - Zhao, Xinluo

AU - Ando, Yoshinori

AU - Qin, Lu Chang

AU - Kataura, Hiromichi

AU - Maniwa, Yutaka

AU - Saito, Riichiro

PY - 2002/9/30

Y1 - 2002/9/30

N2 - Surface-enhanced Raman scattering spectra of an individual multiwalled carbon nanotube (MWNT) with the innermost diameter ∼1nm, prepared by hydrogen arc discharge, show a single peak of radial breathing mode and multiple splitting of the tangential stretching G-band modes. Based on Lorentzian line shape analysis and related theoretical calculations, the G-band modes of MWNT are confirmed to be composed of both G-band modes (linewidth 4cm-1) from the innermost tube and graphite-like mode (linewidth ∼20cm -1) from the outer cylinders in MWNT. This observation indicates that MWNTs are unique and possess characteristic Raman spectra different from other sp2 carbon allotropes.

AB - Surface-enhanced Raman scattering spectra of an individual multiwalled carbon nanotube (MWNT) with the innermost diameter ∼1nm, prepared by hydrogen arc discharge, show a single peak of radial breathing mode and multiple splitting of the tangential stretching G-band modes. Based on Lorentzian line shape analysis and related theoretical calculations, the G-band modes of MWNT are confirmed to be composed of both G-band modes (linewidth 4cm-1) from the innermost tube and graphite-like mode (linewidth ∼20cm -1) from the outer cylinders in MWNT. This observation indicates that MWNTs are unique and possess characteristic Raman spectra different from other sp2 carbon allotropes.

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