Raman Spectra of Graphene Synthesized by Chemical Vapor Deposition from Decane

Raman spectroscopy was used to study the structural properties of graphene synthesized by chemical vapor deposition using decane (C 10 H 22 ) as a precursor at various hydrogen concentrations. Reduction of the carrier gas flow rate from 150 cm 3 /min to zero changes the average spacing between the d...

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Bibliographic Details
Published in:Journal of applied spectroscopy 2018-01, Vol.84 (6), p.979-985
Main Authors: Tivanov, M. S., Kolesov, E. A., Korolik, O. V., Saad, A. M., Kovalchuk, N. G., Komissarov, I. V., Labunov, V. A., Opielak, M., Zukowski, P., Koltunowicz, T. N.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Atomic/Molecular Structure and Spectra
Chemical synthesis
CHEMICAL VAPOR DEPOSITION
Continuity
Crystal defects
DECANE
Flow velocity
GAS FLOW
GRAIN SIZE
GRAPHENE
Hydrogen
NANOSCIENCE AND NANOTECHNOLOGY
Physics
Physics and Astronomy
RAMAN SPECTRA
RAMAN SPECTROSCOPY
Spectrum analysis
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Summary:Raman spectroscopy was used to study the structural properties of graphene synthesized by chemical vapor deposition using decane (C 10 H 22 ) as a precursor at various hydrogen concentrations. Reduction of the carrier gas flow rate from 150 cm 3 /min to zero changes the average spacing between the defects from 53 to 212 nm and the average grain size from 87 to 798 nm and changes the uniformity and continuity of the graphene layer. The obtained relationships can be used to control the defectiveness, homogeneity, and continuity of the graphene layer of the coating during synthesis by this method.
ISSN:0021-9037
1573-8647
DOI:10.1007/s10812-018-0574-z