Scaling of excitons in carbon nanotubes

被引：567

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

页码：257402 / 1

页数：4

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