Diameter-dependent combination modes in individual single-walled carbon nanotubes

被引：20

作者：

Zhao, JL

Jiang, CY

Fan, YW

Burghard, M

Basché, T

Mews, A ^{[1
]}

机构：

[1] Johannes Gutenberg Univ Mainz, Inst Phys Chem, D-55099 Mainz, Germany

[2] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

来源：

NANO LETTERS | 2002年 / 2卷 / 08期

关键词：

D O I：

10.1021/nl025576w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Resonant Raman spectra of individual single-walled carbon nanotubes (SWNTs) and thin SWNT bundles have been acquired by scanning confocal Raman microscopy. The position of several Raman modes was followed in dependence of the diameter-dependent radial-breathing modes (RBMs) and the excitation energy. For semiconducting nanotubes a systematic shift of one of the bands between 1650 and 2100 cm(-1) is observed with decreasing nanotube diameter and attributed to a combination mode of the G-band and the RBM.

引用

页码：823 / 826

页数：4

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