期刊
MATERIALS LETTERS
卷 211, 期 -, 页码 258-260出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.09.100
关键词
Graphene growth; Chemical vapor deposition; Cu foil; Waterless cleaning; Economical
资金
- National Natural Science Foundation of China [51402342]
- Chinese Academy of Sciences [XDB04040300]
A waterless cleaning method of Cu foil for chemical vapor deposition (CVD) graphene growth is proposed in this work. In our method, the Cu foil is first annealed in high temperature air and then cooled rapidly, contaminated Cu surface layer was oxided in annealing and separated in the following cooling process, so as to get a clean Cu surface, the whole process does not require the participation of water and other reagents. Due to the influence of oxygen, the density of graphene domains on the waterless cleaning substrate is even lower than that on the polished substrate. Waterless cleaning provides a simple, economical and environment friendly. (C) 2017 Elsevier B.V. All rights reserved.
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