Analysis of the structural characteristics of graphene materials obtained by electrochemical exfoliation of graphite

The aim of the research is to study the structural characteristics of graphene materials obtained by electrochemical exfoliation of graphite. The objects of study are prepared in electrochemical cells using alkaline and acid electrolytes with various applied voltages. Scanning electron microscopy, R...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-11, Vol.693 (1), p.12025
Main Authors: Khan, Yu A, Dyachkova, T P, Burakova, E A, Bakunin, E S, Rukhov, A V, Orlova, N V, Yu Obraztsova, E
Format: Article
Language:English
Subjects:
Crystal defects
Crystallites
Electrochemical cells
Electrolytes
Electrolytic cells
Exfoliation
Graphene
Graphite
Mathematical analysis
Nanomaterials
Raman spectroscopy
Spectrum analysis
X ray analysis
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Summary:The aim of the research is to study the structural characteristics of graphene materials obtained by electrochemical exfoliation of graphite. The objects of study are prepared in electrochemical cells using alkaline and acid electrolytes with various applied voltages. Scanning electron microscopy, Raman spectroscopy, and X-ray diffraction have been used as research methods. The possibility of a theoretical calculation of the structural characteristics of nanomaterials (the defectiveness parameter, the density of the defects, the average distance between defects and average crystallite size) obtained by electrochemical exfoliation, according to Raman spectroscopy, is discovered. The results of these calculations satisfactorily correlate with the data of X-ray analysis.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/693/1/012025