Characterization of nanoblisters on HOPG surface

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Authors

SOBOLA Dinara PAPEŽ Nikola DALLAEV Rashid RAMAZANOV Shikhgasan HEMZAL Dušan HOLCMAN Vladimír

Year of publication 2019
Type Article in Periodical
Magazine / Source Journal of Electrical Engineering
MU Faculty or unit

Faculty of Science

Citation
Web Full Text
Doi http://dx.doi.org/10.2478/jee-2019-0055
Keywords graphite; nitric acid; surface; delamination; topography
Description We report on influence of the surface functionalization on the properties of highly oriented pyrolytic graphite. The samples were processed in nitric acid and characterized by XPS, Raman and EDX spectroscopies, AFM, SEM and optical microscopy. It is shown that interaction of nitric acid with the surface of HOPG leads to two types of reactions: oxidation of the graphite and intercalation of the nitrate ions at the blistered areas.
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