Directly observable G band splitting in Raman spectra from individual tubular graphite cones

NG Shang; SRP Silva; X Jiang; P Papakonstantinou

doi:10.1016/j.carbon.2011.03.025

Directly observable G band splitting in Raman spectra from individual tubular graphite cones

NG Shang
, SRP Silva
, X Jiang
, P Papakonstantinou

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

20 Citations (Scopus)

Abstract

Individual tubular graphite cones (TGCs) are characterized using Raman spectroscopy atroom temperature. A split G band at 1569–1587 cmÿ1 is directly observed from the root tothe tip of TGCs without requiring surface electromagnetic and chemical enhancementeffects. The G band can be deconvoluted into two Lorentzian peaks at 1571 ± 2 and1584 ± 3 cmÿ1, which may be attributed to the resonance enhancement of a single chiralityexcitation in the innermost tubes and all constituent tubes of the TGCs, respectively.Results suggest that the splitting of G band can be envisaged as a fingerprint for monochiralityof tubular carbon nanomaterials.

Original language	English
Pages (from-to)	3048-3054
Journal	Carbon
Volume	49
DOIs	https://doi.org/10.1016/j.carbon.2011.03.025
Publication status	Published (in print/issue) - 17 Mar 2011

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10.1016/j.carbon.2011.03.025

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title = "Directly observable G band splitting in Raman spectra from individual tubular graphite cones",

abstract = "Individual tubular graphite cones (TGCs) are characterized using Raman spectroscopy atroom temperature. A split G band at 1569–1587 cm{\"y}1 is directly observed from the root tothe tip of TGCs without requiring surface electromagnetic and chemical enhancementeffects. The G band can be deconvoluted into two Lorentzian peaks at 1571 ± 2 and1584 ± 3 cm{\"y}1, which may be attributed to the resonance enhancement of a single chiralityexcitation in the innermost tubes and all constituent tubes of the TGCs, respectively.Results suggest that the splitting of G band can be envisaged as a fingerprint for monochiralityof tubular carbon nanomaterials.",

author = "NG Shang and SRP Silva and X Jiang and P Papakonstantinou",

year = "2011",

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doi = "10.1016/j.carbon.2011.03.025",

language = "English",

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journal = "Carbon",

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T1 - Directly observable G band splitting in Raman spectra from individual tubular graphite cones

AU - Shang, NG

AU - Silva, SRP

AU - Jiang, X

AU - Papakonstantinou, P

PY - 2011/3/17

Y1 - 2011/3/17

N2 - Individual tubular graphite cones (TGCs) are characterized using Raman spectroscopy atroom temperature. A split G band at 1569–1587 cmÿ1 is directly observed from the root tothe tip of TGCs without requiring surface electromagnetic and chemical enhancementeffects. The G band can be deconvoluted into two Lorentzian peaks at 1571 ± 2 and1584 ± 3 cmÿ1, which may be attributed to the resonance enhancement of a single chiralityexcitation in the innermost tubes and all constituent tubes of the TGCs, respectively.Results suggest that the splitting of G band can be envisaged as a fingerprint for monochiralityof tubular carbon nanomaterials.

AB - Individual tubular graphite cones (TGCs) are characterized using Raman spectroscopy atroom temperature. A split G band at 1569–1587 cmÿ1 is directly observed from the root tothe tip of TGCs without requiring surface electromagnetic and chemical enhancementeffects. The G band can be deconvoluted into two Lorentzian peaks at 1571 ± 2 and1584 ± 3 cmÿ1, which may be attributed to the resonance enhancement of a single chiralityexcitation in the innermost tubes and all constituent tubes of the TGCs, respectively.Results suggest that the splitting of G band can be envisaged as a fingerprint for monochiralityof tubular carbon nanomaterials.

U2 - 10.1016/j.carbon.2011.03.025

DO - 10.1016/j.carbon.2011.03.025

M3 - Article

VL - 49

SP - 3048

EP - 3054

JO - Carbon

JF - Carbon

ER -

Directly observable G band splitting in Raman spectra from individual tubular graphite cones

Abstract

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