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- Title
Influence of Gas Mixture and Temperature on AP-CVD Synthesis of Graphene on Copper Foil.
- Authors
Kostogrud, Ilya A.; Trusov, Konstantin V.; Smovzh, Dmitry V.
- Abstract
The influence of methane and hydrogen concentration as well as temperature of synthesis on the number of layers, area of coverage, and quality of graphene formed by chemical vapor deposition on copper is studied in this paper. It is shown that methane concentration primarily affects the sample coverage area. The temperature determines the number of graphene layers and the defect rate of graphene planes. The influence of hydrogen concentration is complex: low hydrogen concentrations are insufficient to induce efficient decomposition of methane on the copper surface; high concentrations of hydrogen limit nucleation of graphene layers and the formed graphene structures are subject to etching.
- Subjects
GAS mixtures; GASES at high temperatures; HYDROGEN-ion concentration; CHEMICAL vapor deposition; GRAPHENE synthesis; CHEMICAL decomposition; COPPER surfaces; ETCHING
- Publication
Advanced Materials Interfaces, 2016, Vol 3, Issue 8, pn/a
- ISSN
2196-7350
- Publication type
Article
- DOI
10.1002/admi.201500823