Journal
JOURNAL OF FLUORINE CHEMISTRY
Volume 132, Issue 12, Pages 1072-1078Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jfluchem.2011.06.010
Keywords
Fluorination; Single walled carbon nanotubes; Carbon fluorides; Fluorine storage; NMR; TGA
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Fluorination of single walled carbon nanotubes was carried out at low temperature in the -191/25 degrees C range under 1 atm pure fluorine gas. In such conditions, the resulting C-F bonding is significantly weaker than for samples fluorinated at 280 degrees C. If the fluorination is performed at low temperature, fluorine atoms can be then removed from the host structure by moderated heating until 300 degrees C or by vacuum without strong damage on the tubes. After thermal defluorination, the resulting sample can be refluorinated similarly than the pristine tubes. (C) 2011 Elsevier B.V. All rights reserved.
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