The effect of the parent graphite on the structure of graphene oxide. Botas, C., Alvarez, P., Blanco, C., Santamaria, R., Granda, M., Ares, P., Rodriguez-Reinoso, F., & Menendez, R. CARBON, 50(1):275-282, JAN, 2012. doi abstract bibtex The effect of the parent graphite on the structure of graphene oxide (GO) is investigated using high purity graphites with a uniform crystallite size. Our results provide direct evidence of how the size of the graphite crystal affects the oxidation process and the functionality and sheet size of the resulting GO. The important role of the crystal boundaries in the graphite with smaller crystallites is confirmed by the smaller size of the GO sheets obtained and also by the presence of carboxylic groups, located at the edges of the sheets. However, functionalization in the graphite with larger crystals mainly occurs in the vicinity of basal plane defects, as evidenced by the larger number of epoxy groups. Thus, this study leads to a better understanding of the oxidation process of graphite and provides a way to produce GOs suitable for different applications. (C) 2011 Elsevier Ltd. All rights reserved.
@article{ ISI:000296548800031,
Author = {Botas, Cristina and Alvarez, Patricia and Blanco, Clara and Santamaria,
Ricardo and Granda, Marcos and Ares, Pablo and Rodriguez-Reinoso,
Francisco and Menendez, Rosa},
Title = {{The effect of the parent graphite on the structure of graphene oxide}},
Journal = {{CARBON}},
Year = {{2012}},
Volume = {{50}},
Number = {{1}},
Pages = {{275-282}},
Month = {{JAN}},
Abstract = {{The effect of the parent graphite on the structure of graphene oxide
(GO) is investigated using high purity graphites with a uniform
crystallite size. Our results provide direct evidence of how the size of
the graphite crystal affects the oxidation process and the functionality
and sheet size of the resulting GO. The important role of the crystal
boundaries in the graphite with smaller crystallites is confirmed by the
smaller size of the GO sheets obtained and also by the presence of
carboxylic groups, located at the edges of the sheets. However,
functionalization in the graphite with larger crystals mainly occurs in
the vicinity of basal plane defects, as evidenced by the larger number
of epoxy groups. Thus, this study leads to a better understanding of the
oxidation process of graphite and provides a way to produce GOs suitable
for different applications. (C) 2011 Elsevier Ltd. All rights reserved.}},
DOI = {{10.1016/j.carbon.2011.08.045}},
ISSN = {{0008-6223}},
EISSN = {{1873-3891}},
ResearcherID-Numbers = {{Alvarez, Patricia/G-1038-2016
Ares, Pablo/N-2272-2017
Santamaria, Ricardo/U-7782-2018
Blanco, Clara/Q-1846-2019
Botas, Cristina/L-8206-2014
Rodriguez-Reinoso, Francisco/G-7941-2016}},
ORCID-Numbers = {{Alvarez, Patricia/0000-0001-9676-0546
Ares, Pablo/0000-0001-5905-540X
Santamaria, Ricardo/0000-0001-9818-6998
Blanco, Clara/0000-0002-0922-1980
Botas, Cristina/0000-0002-7600-6324
Rodriguez-Reinoso, Francisco/0000-0002-4212-9860}},
Unique-ID = {{ISI:000296548800031}},
}
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Our results provide direct evidence of how the size of the graphite crystal affects the oxidation process and the functionality and sheet size of the resulting GO. The important role of the crystal boundaries in the graphite with smaller crystallites is confirmed by the smaller size of the GO sheets obtained and also by the presence of carboxylic groups, located at the edges of the sheets. However, functionalization in the graphite with larger crystals mainly occurs in the vicinity of basal plane defects, as evidenced by the larger number of epoxy groups. Thus, this study leads to a better understanding of the oxidation process of graphite and provides a way to produce GOs suitable for different applications. (C) 2011 Elsevier Ltd. 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Our results provide direct evidence of how the size of\n the graphite crystal affects the oxidation process and the functionality\n and sheet size of the resulting GO. The important role of the crystal\n boundaries in the graphite with smaller crystallites is confirmed by the\n smaller size of the GO sheets obtained and also by the presence of\n carboxylic groups, located at the edges of the sheets. However,\n functionalization in the graphite with larger crystals mainly occurs in\n the vicinity of basal plane defects, as evidenced by the larger number\n of epoxy groups. Thus, this study leads to a better understanding of the\n oxidation process of graphite and provides a way to produce GOs suitable\n for different applications. (C) 2011 Elsevier Ltd. 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