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

被引：228
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
收藏
页码：2707 / 2710
页数：4
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