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The synthesis and properties of highly exfoliated graphites from fluorinated graphite intercalation compounds

Title
The synthesis and properties of highly exfoliated graphites from fluorinated graphite intercalation compounds
Authors
Makotchenko V.G.Grayfer E.D.Nazarov A.S.Kim S.-J.Fedorov V.E.
Ewha Authors
김성진
SCOPUS Author ID
김성진scopus
Issue Date
2011
Journal Title
Carbon
ISSN
0008-6223JCR Link
Citation
vol. 49, no. 10, pp. 3233 - 3241
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
A series of new highly exfoliated graphites were synthesized from fluorinated graphite intercalation compounds of compositions C 2F·xR (R = ClF3, (CH3)2CO, CH3CN, C6H6, CCl4). The exfoliation degree of these materials reaches more than 2000 times, indicating a significantly higher exfoliated state than observed for the conventional expanded graphites derived from graphite bisulphate or nitrate. These exfoliated graphites have increased interlayer distances, specific surface areas as high as 170-370 m2/g, low bulk densities of 0.4-0.7 g/L, and good sorption capacities towards a range of organic and inorganic liquids. The influence of the nature of the intercalated molecules on the properties of the exfoliated graphite is discussed. © 2011 Elsevier Ltd. All rights reserved.
DOI
10.1016/j.carbon.2011.03.049
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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