- AMER INST PHYSICS
A single layer of graphene with dimensions of 20mm x 20mm was grown directly on an insulating substrate by chemical vapor deposition using Ga vapor catalysts. The graphene layer showed highly homogeneous crystal quality over a large area on the insulating substrate. The crystal quality of the graphene was measured by Raman spectroscopy and was found to improve with increasing Ga vapor density on the reaction area. High-resolution transmission electron microscopy observations showed that the synthesized graphene had a perfect atomic-scale crystal structure within its grains, which ranged in size from 50 nm to 200 nm. (C) 2015 AIP Publishing LLC.
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- DOI : 10.1063/1.4914114
- ISSN : 0003-6951
- eISSN : 1077-3118
- Web of Science ID : WOS:000351069900057