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Title: Definitive insight into the graphite oxide reduction mechanism by deuterium labeling
Authors: Jankovský, Ondřej
Šimek, Petr
Luxa, Jan
Sedmidubský, David
Tomandl, Ivo
Macková, Anna
Mikšová, Romana
Malinský, Petr
Pumera, Martin
Sofer, Zdeněk
Keywords: DRNTU::Science::Chemistry::Organic chemistry::Oxidation
Issue Date: 2015
Source: Jankovský, O., Šimek, P., Luxa, J., Sedmidubský, D., Tomandl, I., Macková, A., et al. (2015).Definitive insight into the graphite oxide reduction mechanism by deuterium labeling. ChemPlusChem, 80(9), 1399-1407.
Series/Report no.: ChemPlusChem
Abstract: The reduction of graphite oxide is one of the most important reactions in the production of graphene in gram quantities. The mechanisms of these widely used reactions are poorly understood. The mechanism of the chemical reduction of two different graphite oxides prepared by the chlorate (Hofmann method) and permanganate methods (Hummers method) has been investigated. Three different reduction agents, lithium tetrahydridoaluminate, sodium tetrahydridoborate, and lithium tetrahydridoborate, as well as their deuterated counterparts, were used for the reduction of graphite oxide. Reduced graphite oxides were analyzed by scanning electron microscopy, energy-dispersive spectroscopy, elemental combustion analysis, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, and simultaneous thermal analysis. The concentration of boron incorporated into graphene was measured by prompt gamma activation analysis. Rutherford back-scattering spectroscopy and elastic recoil detection analysis were used for the determination of the elemental composition, including deuterium concentration, as evidence of C-H bond formation.
ISSN: 2192-6506
DOI: 10.1002/cplu.201500168
Schools: School of Physical and Mathematical Sciences 
Rights: © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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