The seeded growth of graphene

In this paper, we demonstrate the seeded growth of graphene under a plasma chemical vapor deposition condition. First, we fabricate graphene nanopowders (~5 nm) by ball-milling commercial multi-wall carbon nanotubes. The graphene nanoparticles were subsequently subject to a direct current plasma gen...

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Published inScientific reports Vol. 4; no. 1; p. 5682
Main Authors Lee, Jae-Kap, Lee, Sohyung, Kim, Yong-Il, Kim, Jin-Gyu, Min, Bong-Ki, Lee, Kyung-Il, Park, Yeseul, John, Phillip
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 14.07.2014
Nature Publishing Group
Subjects
147/143
639/301/1023/1024
639/925/918/1055
Electron microscopy
Graphite
Humanities and Social Sciences
multidisciplinary
Nanoparticles
Nanotechnology
Nanotubes
Nuclei
Science
Transmission electron microscopy
X-ray diffraction
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Summary:In this paper, we demonstrate the seeded growth of graphene under a plasma chemical vapor deposition condition. First, we fabricate graphene nanopowders (~5 nm) by ball-milling commercial multi-wall carbon nanotubes. The graphene nanoparticles were subsequently subject to a direct current plasma generated in a 100 Torr 10%CH 4 - 90%H 2 gas mixture. The plasma growth enlarged, over one hour, the nuclei to graphene sheets larger than one hundred nm 2 in area. Characterization by electron and X-ray diffraction, high-resolution transmission electron microscopy images provide evidence for the presence of monolayer graphene sheets.
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ISSN:2045-2322
2045-2322
DOI:10.1038/srep05682