Raman spectroscopy at the edges of multilayer graphene

被引：48
|
作者：
Li, Q. -Q. [1 ]
Zhang, X. [1 ]
Han, W. -P. [1 ]
Lu, Y. [1 ]
Shi, W. [1 ]
Wu, J. -B. [1 ]
Tan, P. -H. [1 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, Beijing 100083, Peoples R China
来源：
CARBON | 2015年 / 85卷
关键词：
Compendex;
D O I：
10.1016/j.carbon.2014.12.096
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：
Individual graphene layers in a multilayer graphene sample contribute their own edges. The edge of a graphene layer laid on an n layer graphene (nLG) is a building block for the edges of multilayer graphenes. We found that the D band observed from the edge of the top graphene layer laid on the nLG exhibits an identical line shape to that of disordered (n + 1)LG. Based on the spectral features of the D and 2D bands, we identified two types of alignment configurations at the edges of bilayer and trilayer graphenes, whose edges are well-aligned from their optical images. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：221 / 224
页数：4
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