Controllable Synthesis of Submillimeter Single-Crystal Monolayer Graphene Domains on Copper Foils by Suppressing Nucleation

Submillimeter single-crystal monolayer and multilayer graphene domains were prepared by an atmospheric pressure chemical vapor deposition method with suppressing nucleation on copper foils through an annealing procedure. A facile oxidation visualization method was applied to study the nucleation den...

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Published inJournal of the American Chemical Society Vol. 134; no. 8; pp. 3627 - 3630
Main Authors Wang, Hong, Wang, Guanzhong, Bao, Pengfei, Yang, Shaolin, Zhu, Wei, Xie, Xing, Zhang, Wen-Jun
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 29.02.2012
Subjects
annealing
atmospheric pressure
atomic force microscopy
copper
crystals
graphene
light microscopy
oxidation
Raman spectroscopy
scanning electron microscopy
transmission electron microscopy
vapors
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Summary:Submillimeter single-crystal monolayer and multilayer graphene domains were prepared by an atmospheric pressure chemical vapor deposition method with suppressing nucleation on copper foils through an annealing procedure. A facile oxidation visualization method was applied to study the nucleation density and morphology of graphene domains on copper foils. Scanning electron microscopy, transmission electron microscopy, atomic force microscopy, polarized optical microscopy, and Raman spectra showed that the submillimeter graphene domains were monolayer single crystals.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0002-7863
1520-5126
1520-5126
DOI:10.1021/ja2105976