Temperature dependence of the Raman spectra of individual carbon nanotubes

被引：50

作者：

Zhou, ZP ^{[1
]}

Dou, XY

Ci, LJ

Song, L

Liu, DF

Gao, Y

Wang, JX

Liu, LF

Zhou, WY

Xie, SS

Wan, DY

机构：

[1] Chinese Acad Sci, Ctr Condensed Matter Phys, Inst Phys, Beijing 100080, Peoples R China

[2] Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Anal Tech, Beijing 100039, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 03期

关键词：

D O I：

10.1021/jp053268r

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Resonant Raman scattering (RRS) spectra of individual carbon nanotubes on a SiO2 substrate have been investigated first in the temperature range of 100-600 K (Phys. Rev. B 2002, 66, 115411). It was revealed by the intensity abnormality of the radial breathing mode (RBM) that the carbon nanotubes have a temperature-dependent density of electronic states. This means that the previously reported temperature coefficients of RBM of carbon nanotubes are smaller than their "real" ones for the bulk samples of single- or double-walled carbon nanotubes. Comparatively, the G line of individual nanotubes shows no observable difference relative to the bulk samples.

引用

页码：1206 / 1209

页数：4

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