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Definitive Insight into the Graphite Oxide Reduction Mechanism by Deuterium Labeling.
Jankovský, Ondrej; Simek, Petr; Luxa, Jan; Sedmidubský, David; Tomandl, Ivo; Macková, Anna; Miksová, Romana; Malinský, Petr; Pumera, Martin; Sofer, Zdenek.
Afiliación
  • Jankovský O; Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6 (Czech Republic).
  • Simek P; Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6 (Czech Republic).
  • Luxa J; Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6 (Czech Republic).
  • Sedmidubský D; Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6 (Czech Republic).
  • Tomandl I; Nuclear Physics Institute of the ASCR, v. v. i. 250 68 Rez (Czech Republic).
  • Macková A; Nuclear Physics Institute of the ASCR, v. v. i. 250 68 Rez (Czech Republic).
  • Miksová R; Department of Physics, Faculty of Science, J.E. Purkyne University, 400 96 Ustí nad Labem (Czech Republic).
  • Malinský P; Nuclear Physics Institute of the ASCR, v. v. i. 250 68 Rez (Czech Republic).
  • Pumera M; Department of Physics, Faculty of Science, J.E. Purkyne University, 400 96 Ustí nad Labem (Czech Republic).
  • Sofer Z; Nuclear Physics Institute of the ASCR, v. v. i. 250 68 Rez (Czech Republic).
Chempluschem ; 80(9): 1399-1407, 2015 Sep.
Article en En | MEDLINE | ID: mdl-31973355
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.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chempluschem Año: 2015 Tipo del documento: Article Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chempluschem Año: 2015 Tipo del documento: Article Pais de publicación: Alemania