The optical visibility of graphene:: Interference colors of ultrathin graphite on SiO2

被引：230

作者：

Roddaro, S. ^{[1
]}

Pingue, P. ^{[1
]}

Piazza, V. ^{[1
]}

Pellegrini, V. ^{[1
]}

Beltram, F. ^{[1
]}

机构：

[1] INFM, CNR, NEST, Scuola Normale Super Pisa, I-56126 Pisa, Italy

来源：

NANO LETTERS | 2007年 / 7卷 / 09期

关键词：

D O I：

10.1021/nl071158l

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Monatomic layers of graphite are emerging as building blocks for novel optoelectronic devices. Experimental studies on a single graphite layer (graphene) are today possible since very thin graphite can be identified on a dielectric substrate using a normal optical microscope. We investigate the mechanism behind the strong visibility of graphite, and we discuss the importance of substrates and of the microscope objective used for the imaging.

引用

页码：2707 / 2710

页数：4

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