Non-catalytic direct growth of nanographene on MgO substrates

被引：4
|
作者：
Kamoi, Susumu [1 ]
Kim, Jung-Gon [1 ]
Hasuike, Noriyuki [1 ]
Kisoda, Kenji [2 ]
Harima, Hiroshi [1 ]
机构：
[1] Kyoto Inst Technol, Dept Elect, Kyoto 6068585, Japan
[2] Wakayama Univ, Dept Phys, Wakayama 6408510, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2014年 / 53卷 / 05期
关键词：
RAMAN-SCATTERING; GRAPHENE FILMS; LARGE-AREA;
D O I：
10.7567/JJAP.53.05FD06
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have grown high-quality nanographene layers by alcoholic chemical vapor deposition on insulated MgO substrates without catalysts. Typical Raman spectra showed the formation of nanographene layers consisting mainly of sp(2) bonds. Their grain size depended on the flow rate of the carbon source. Planar and triangular nanographenes were formed on MgO(100) and (111) substrates, respectively. The results suggested that the lattice orientation of the MgO substrate determined the morphology of nanographenes. (C) 2014 The Japan Society of Applied Physics
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页数：4
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