X-ray Photoelectron Spectroscopy Study of Electronic Structure of Graphene Nanosheets

B.I. Ilkiv; S.S. Petrovska; R.A. Sergienko; О.О. Foya; O.V. Ilkiv; T.N. Bondarenko; E. Shibata; T. Nakamura; Ya.V. Zaulychnyy

doi:10.15330/pcss.16.2.289-292

Authors

B.I. Ilkiv Frantsevich Institute for Problems of Materials Science of NAS of Ukraine
S.S. Petrovska Frantsevich Institute for Problems of Materials Science of NASU
R.A. Sergienko Physics-Technological Institute of Metals and Alloys of NASU
О.О. Foya Frantsevich Institute for Problems of Materials Science of NASU
O.V. Ilkiv National Technical University of Ukraine “Kyiv Polytechnic Institute”Engineering-physical faculty
T.N. Bondarenko Frantsevich Institute for Problems of Materials Science of NASU
E. Shibata Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University
T. Nakamura Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University
Ya.V. Zaulychnyy Frantsevich Institute for Problems of Materials Science of NASU

DOI:

https://doi.org/10.15330/pcss.16.2.289-292

Keywords:

X-ray photoelectron spectroscopy, electronic structure, graphene nanosheets, oxidized graphene nanosheets

Abstract

Investigations of graphene nanosheets and oxidized graphene nanosheets were carried out using X-ray photoelectron spectroscopy. Scanning and transmission electron microscopy investigations were used in addition to X-ray photoelectron spectroscopy. It was found that functional carboxyl and epoxide groups were removed from samples due to argon bombardment in studies of oxidized graphene nanosheets with X-ray photoelectron spectroscopy. Thus the ОKα-band was not revealed in oxidized graphene nanosheets owing to oxygen removal due to electron bombardment with the use of. ultra-soft X-ray emission spectroscopy.

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