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Current issue   Ukr. J. Phys. 2016, Vol. 61, N 10, p.909-916
http://dx.doi.org/10.15407/ujpe61.10.0909    Paper

Danilov M.O.1, Rusetskii I.A.1, Slobodyanyuk I.A.1, Dovbeshko G.I.2, Kolbasov G.Ya.1, Stubrov Yu.Yu.3

1 Vernadskyi Institute of General and Inorganic Chemistry, Nat. Acad. of Sci. of Ukraine
(32/34, Academician Palladin Ave., Kyiv 03680, Ukraine)
2 Institute of Physics, Nat. Acad. of Sci. of Ukraine
(46, Prosp. Nauky, Kyiv 03028, Ukraine)
3 V.E. Lashkaryov Institute of Semiconductor Physics, Nat. Acad. of Sci. of Ukraine
(41, Prosp. Nauky, Kyiv 03028, Ukraine)

Synthesis, Properties, and Application of Graphene-Based Materials Obtained from Carbon Nanotubes and Acetylene Black

Section: Solid Matter
Original Author's Text: Ukrainian

Abstract: Graphene oxide and reduced graphene oxide have been chemically synthesized from multiwall carbon nanotubes. Using a proper oxidant, nanotubes can be “unzipped” longitudinally to form graphene oxide nanoribbons. Afterward, reduced graphene oxide can be obtained with the help of a reductant. Standard redox potentials of carbon are used for the selection of an oxidant and a reductant. Various physico-chemical methods are applied to verify the production of graphene-like materials. The synthesized products are used as a material for oxygen electrodes in fuel elements. The electrochemical characteristics of electrodes fabricated from graphenebased materials are found to depend on the redox ability of applied reagents. The obtained materials are shown to be promising catalyst carriers for electrodes in chemical current sources.

Key words: graphene oxide, reduced graphene oxide, electrocatalysis, electrode materials for oxygen electrode.


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