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Título: | Revisiting the effects of organic solvents on the thermal reduction of graphite oxide |
Autor: | Barroso-Bujans, Fabienne CSIC ORCID; García Fierro, José Luis CSIC ORCID; Alegría, Ángel CSIC ORCID ; Colmenero de León, Juan CSIC ORCID | Fecha de publicación: | 2011 | Editor: | Elsevier | Citación: | Thermochimica Acta 526: 65-71 (2011) | Resumen: | Treatment of graphite oxide (GO) with organic solvents via sorption from either liquid or gas phase, and subsequent desorption, induces profound changes in the layered GO structure: loss of stacking order, retention of trace amounts of solvents and decreasing decomposition temperature. This study presents new evidences of the effect of organic solvents on the thermal reduction of GO by means of thermogravimetric analysis, X-ray diffraction and X-ray photoelectron spectroscopy. The results reveal a relative higher decrease of the oxygen amounts in solvent-treated GO as compared to untreated GO and the restacking inhibition of the thermally reduced GO sheets upon slow heating. The kinetic experiments evidence changes occurring in the reduction mechanisms of the solvent-treated GO, which support the close link between GO structure and thermal properties. © 2011 Elsevier B.V. All rights reserved. | URI: | http://hdl.handle.net/10261/50818 | DOI: | 10.1016/j.tca.2011.08.023 | Identificadores: | doi: 10.1016/j.tca.2011.08.023 issn: 0040-6031 |
Aparece en las colecciones: | (ICP) Artículos (CFM) Artículos |
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