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Open Chemistry

formerly Central European Journal of Chemistry

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IMPACT FACTOR 2016 (Open Chemistry): 1.027
IMPACT FACTOR 2016 (Central European Journal of Chemistry): 1.460

CiteScore 2016: 0.61

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2391-5420
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Volume 13, Issue 1 (Dec 2014)

Issues

Low pressure RF plasma modification of the surface of three different nano-carbon materials

Imre Bertóti
  • Corresponding author
  • Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1519 Budapest, PO Box 286, Hungary
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Miklós Mohai
  • Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1519 Budapest, PO Box 286, Hungary
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  • De Gruyter OnlineGoogle Scholar
/ Csaba Balázsi
  • Institute of Technical Physics and Materials Science, Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1525 Budapest, PO Box 49, Hungary
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  • De Gruyter OnlineGoogle Scholar
/ Krisztina László
  • Department of Physical Chemistry and Materials Science, Budapest University of Technology and Economics, H-1521 Budapest, Hungary
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  • De Gruyter OnlineGoogle Scholar
/ János Szépvölgyi
  • Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1519 Budapest, PO Box 286, Hungary
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2014-12-09 | DOI: https://doi.org/10.1515/chem-2015-0058

Abstract

Well-ordered nano-carbon materials, like multi-wall carbon nanotubes, graphene oxide, graphene due to their unique physical and chemical properties, are candidates for promising applications.

In this work thin multilayered graphene, single layer graphene oxide layers and highly oriented pyrolytic graphite (HOPG) surface were treated by RF activated N2 gas plasma at nominally room temperature. Negative bias in the 0–200 V range and treatment time of 10 min was applied. Surface chemical alterations were followed by X-ray photoelectron spectroscopy (XPS). The applied treatments resulted in a significant build-up of nitrogen in the surface of these nano-carbon materials. The amount of nitrogen varied between 4 and 10 atomic %, depending on type of carbon and on biasing conditions. Evaluating the high-resolution N1s XP spectral region, typically three different chemical bonding states of the nitrogen were delineated. Peak component at 398.3 eV is assigned to C=N–C type, at 399.7 eV to sp2 N in melamine-type ring structure and at 400.9 eV to N substituting carbon in a graphite-like environment. Identical chemical bonding of the nitrogen was detected on the surface of HOPG treated in the same way for comparison.

Graphical Abstract

Keywords : RF plasma; surface modification; nano-carbon materials; XPS

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About the article

Received: 2014-02-07

Accepted: 2014-04-06

Published Online: 2014-12-09


Citation Information: Open Chemistry, ISSN (Online) 2391-5420, DOI: https://doi.org/10.1515/chem-2015-0058.

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© 2015 Imre Bertóti et al.. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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