Quantitative evaluation of the octadecylamine-assisted bulk separation of semiconducting and metallic single-wall carbon nanotubes by resonance Raman spectroscopy

被引：64

作者：

Samsonidze, GG ^{[1
]}

Chou, SG

Santos, AP

Brar, VW

Dresselhaus, G

Dresselhaus, MS

Selbst, A

Swan, AK

Unlü, MS

Goldberg, BB

Chattopadhyay, D

Kim, SN

Papadimitrakopoulos, F

机构：

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

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

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

[4] MIT, Francis Bitter Natl Magnet Lab, Cambridge, MA 02139 USA

[5] Boston Univ, Dept Elect & Comp Engn, Boston, MA 02215 USA

[6] Univ Connecticut, Inst Mat Sci, Polymer Program, Dept Chem,Nanomat Optoelect Lab, Storrs, CT 06269 USA

[7] Boston Univ, Dept Phys, Boston, MA 02215 USA

来源：

APPLIED PHYSICS LETTERS | 2004年 / 85卷 / 06期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.1777814

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The selective stabilization of octadecylamine (ODA) on semiconducting (S) single-wall carbon nanotubes (SWNTs) has been reported to provide a means for the bulk separation of S from metallic (M) SWNTs. Utilizing resonance Raman spectroscopy and, in particular, the relative changes in the integrated intensities of the radial-breathing mode region, a generic method has been developed to provide quantitative evaluation of the separation efficiency between M and S SWNTs along with diameter separation. The ODA-assisted separation is shown to provide S enrichment by a factor of 5 for SWNTs prepared by high pressure CO decomposition and greater S enrichment for SWNTs with diameters below 1 nm. (C) 2004 American Institute of Physics.

引用

页码：1006 / 1008

页数：3

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