Synthesis of Reduced Graphene Oxide Obtained from Multiwalled Carbon Nanotubes and Its Electrocatalytic Properties

Authored by: Michail O. Danilov , Ivan A. Slobodyanyuk , Igor A. Rusetskii , Gennadiy Ya. Kolbasov

Graphene Science Handbook

Print publication date:  April  2016
Online publication date:  April  2016

Print ISBN: 9781466591271
eBook ISBN: 9781466591288
Adobe ISBN:

10.1201/b19606-16

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Abstract

Various methods are presented for the preparation of graphene oxide, and an approach to the selection of oxidants for breaking and oxidizing multiwalled nanotubes with allowance for carbon–carbon bond-breaking energy is proposed. Methods for the reduction of graphene oxide are considered, and recommendations are given with respect to the choice of reductants on the basis of comparing standard electrochemical redox potentials of reductants and oxygen-containing graphene oxide grouping; a procedure for the preparation of graphene oxide is proposed. A structure peculiarity of graphene sheet is that the charge carriers have an unlimited freedom to move in plane. They are confined in a narrow space between “walls” bounded by atomic p-orbitals, which are spaced the shortest atomic distance of ~0.3 nm apart. This peculiarity gives rise to unique electrophysical and electrochemical characteristics and other unusual properties of graphene. Applications of reduced graphene oxide as a catalyst support for power sources are described. A qualitative assessment of the catalytic properties of catalysts for possible deposition on reduced graphene oxide is proposed. The reduced graphene oxide developed by the authors of this chapter promises much as an electrode material for power sources, can be easily produced, and has a low cost.

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