Microscopic characterisation of suspended graphene grown by chemical vapour deposition

被引：12
|
作者：
Bignardi, Luca [1 ]
van Dorp, Willem F. [1 ]
Gottardi, Stefano [1 ]
Ivashenko, Oleksii [1 ]
Dudin, Pavel [2 ]
Barinov, Alexei [2 ]
De Hosson, Jeff Th. M. [1 ]
Stohr, Meike [1 ]
Rudolf, Petra [1 ]
机构：
[1] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands
[2] Sinctrotrone Trieste Scpa, I-34149 Trieste, Italy
来源：
NANOSCALE | 2013年 / 5卷 / 19期
基金：
欧洲研究理事会;
关键词：
RAMAN-SPECTROSCOPY; SHEETS; CARBON; MEMBRANES;
D O I：
10.1039/c3nr02386a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We present a multi-technique characterisation of graphene grown by chemical vapour deposition (CVD) and thereafter transferred to and suspended on a grid for transmission electron microscopy (TEM). The properties of the electronic band structure are investigated by angle-resolved photoelectron spectromicroscopy, while the structural and crystalline properties are studied by TEM and Raman spectroscopy. We demonstrate that the suspended graphene membrane locally shows electronic properties comparable with those of samples prepared by micromechanical cleaving of graphite. Measurements show that the area of high quality suspended graphene is limited by the folding of the graphene during the transfer.
引用
收藏
页码：9057 / 9061
页数：5
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