Temperature dependence of the Raman spectra of single-wall carbon nanotubes
- 10 April 2000
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 76 (15) , 2053-2055
- https://doi.org/10.1063/1.126252
Abstract
Raman spectra of single-wall carbon nanotubes (SWCNTs) were measured at different temperatures by varying the incident laser power. The elevated temperature of the SWCNTs and multiwall carbon nanotubes (MWCNTs) is confirmed to be due to the presence of impurities, defects, and disorder. The temperature coefficient of the frequency of the C–C stretching mode E2g (GM) and that of the radial breathing mode in the SWCNT were determined to be ∼−0.038 and ∼−0.013 cm−1/K, respectively. It is found that the temperature coefficient of the GM in the SWCNT is larger than that of the MWCNT, highly oriented pyrolytic graphite, and the graphite. This is attributed to the structural characteristic of the SWCNT—a single tubular carbon sheet with smaller diameter.Keywords
This publication has 13 references indexed in Scilit:
- Phonon modes in carbon nanotubulesPublished by Elsevier ,2002
- Defects in arc-discharge-produced single-walled carbon nanotubesPhilosophical Magazine Letters, 1999
- Mass-production of single-wall carbon nanotubes by arc discharge method11This work was supported by the National Natural Science Foundation of China, No. 29671030.Carbon, 1999
- Temperature dependence of the Raman spectra of carbon nanotubesJournal of Applied Physics, 1998
- Diameter-Selective Raman Scattering from Vibrational Modes in Carbon NanotubesScience, 1997
- Temperature-dependent vibrational spectra of carbon nanotubesPhysical Review B, 1995
- Mechanical and thermal properties of carbon nanotubesCarbon, 1995
- Raman studies of carbon nanotubesChemical Physics Letters, 1993
- The effect of laser-induced heating upon the vibrational raman spectra of graphites and carbon fibresCarbon, 1991
- Temperature dependence of Raman scattering by disordered carbon materialsCarbon, 1986