G′ band Raman spectra of single, double and triple layer graphene

被引：284

作者：

Park, J. S. ^{[1
,2
]}

Reina, A. ^{[3
]}

Saito, R. ^{[1
,2
]}

Kong, J. ^{[4
]}

Dresselhaus, G. ^{[5
]}

Dresselhaus, M. S. ^{[4
,6
]}

机构：

[1] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

[2] CREST, Sendai, Miyagi 9808578, Japan

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

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

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

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

来源：

CARBON | 2009年 / 47卷 / 05期

关键词：

WALL CARBON NANOTUBES; SPECTROSCOPY; INTENSITY; GRAPHITE; GAS;

D O I：

10.1016/j.carbon.2009.01.009

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：

We have measured the Raman spectra of one to three layer graphene as a function of laser excitation energy. The observed G' band Raman peak (similar to 2650 cm(-1)) intensity decreases with increasing numbers of graphene layers. The electronic energy band structure calculated by the extended tight binding model shows that there are four and nine possible optical processes in double resonance theory for the Raman G' band of double and triple layers graphene, respectively. Raman intensity calculations show that each peak position depends on its wavevector, and then the C band of double and triple layer graphene has three and five components, respectively. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1303 / 1310

页数：8

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