The effect of environment on the radial breathing mode of supergrowth single wall carbon nanotubes

被引：24

作者：

Araujo, P. T. ^{[1
]}

Fantini, C. ^{[1
]}

Lucchese, M. M. ^{[4
]}

Dresselhaus, M. S. ^{[2
,3
]}

Jorio, A. ^{[1
,4
]}

机构：

[1] Univ Fed Minas Gerais, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil

[2] MIT, Dept Phys, Cambridge, MA 02139 USA

[3] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[4] Inst Nacl Metrol Normalizacao & Qualidade Ind INM, Div Metrol Mat, BR-25250020 Rio De Janeiro, Brazil

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 26期

关键词：

carbon nanotubes; Raman spectra; surfactants; INDIVIDUAL NANOTUBES; LARGE POPULATIONS; DISPERSIONS;

D O I：

10.1063/1.3276909

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

It has been shown that "supergrowth" single wall carbon nanotubes (SWNTs) exhibit a radial breathing mode frequency omega(RBM) dependence on tube diameter d(t) given by omega(RBM)=227/d(t). This result gave rise to two distinct scenarios for SWNTs: one for the supergrowth radial breathing mode and another for all the other samples reported in the literature. Here we show that, by dispersing the supergrowth SWNTs in surfactant or bringing them into interacting bundles, it is possible to merge these two scenarios, where now the supergrowth SWNT properties are similar to all SWNT properties reported so far in the literature.

引用

页数：3

共 14 条

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