Scaling of excitons in carbon nanotubes

被引：562
|
作者：
Perebeinos, V [1 ]
Tersoff, J [1 ]
Avouris, P [1 ]
机构：
[1] IBM Corp, Div Res, TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 25期
关键词：
D O I：
10.1103/PhysRevLett.92.257402
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Light emission from carbon nanotubes is expected to be dominated by excitonic recombination. Here we calculate the properties of excitons in nanotubes embedded in a dielectric, for a wide range of tube radii and dielectric environments. We find that simple scaling relationships give a good description of the binding energy, exciton size, and oscillator strength.
引用
收藏
页码：257402 / 1
页数：4
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