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NMR and NEXAFS Study of Various Graphite Fluorides

Ahmad, Y. ; Dubois, M. ; Guerin, K. ; Hamwi, A. ; Fawal, Z. ; Kharitonov, A. P. ; Generalov, A. V. ; Klyushin, A. Yu. ; Simonov, K. A. and Vinogradov, N. A. , et al. (2013) In Journal of Physical Chemistry C 117(26). p.13564-13572
Abstract
Graphite fluorides with different structural types (CyF)(n) (y = 2.5, 2, and 1) and room temperature graphite fluorides were studied by solid state,NMR and NEXAFS. Data extracted from those two techniques are complementary, providing information about the C-F bonding and the hybridization character of the carbon atom valence states. The comparison of data obtained by different methods such as NMR, Raman, and X-ray absorption leads to similar conclusions regarding the chemical bonding in fluorographites. Several major configurations of fluorinated graphites are discussed, that is, planar sheets with mainly sp(2) hybridization in room temperature graphite fluorides and corrugated sheets with sp(3) hybridization in covalent high temperature... (More)
Graphite fluorides with different structural types (CyF)(n) (y = 2.5, 2, and 1) and room temperature graphite fluorides were studied by solid state,NMR and NEXAFS. Data extracted from those two techniques are complementary, providing information about the C-F bonding and the hybridization character of the carbon atom valence states. The comparison of data obtained by different methods such as NMR, Raman, and X-ray absorption leads to similar conclusions regarding the chemical bonding in fluorographites. Several major configurations of fluorinated graphites are discussed, that is, planar sheets with mainly sp(2) hybridization in room temperature graphite fluorides and corrugated sheets with sp(3) hybridization in covalent high temperature graphite fluoride. Different references such as highly oriented pyrolytic graphite (HOPG), graphitized carbon nanodiscs (graph-CNDs) and nanodiamonds (NDs) have also been investigated for comparison. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physical Chemistry C
volume
117
issue
26
pages
13564 - 13572
publisher
The American Chemical Society (ACS)
external identifiers
  • wos:000321542000026
  • scopus:84879835128
ISSN
1932-7447
DOI
10.1021/jp401579u
language
English
LU publication?
yes
id
7ac71e4d-a71b-4e4d-bb30-cbe7d3baabef (old id 3975836)
date added to LUP
2016-04-01 10:57:33
date last changed
2022-02-10 07:34:54
@article{7ac71e4d-a71b-4e4d-bb30-cbe7d3baabef,
  abstract     = {{Graphite fluorides with different structural types (CyF)(n) (y = 2.5, 2, and 1) and room temperature graphite fluorides were studied by solid state,NMR and NEXAFS. Data extracted from those two techniques are complementary, providing information about the C-F bonding and the hybridization character of the carbon atom valence states. The comparison of data obtained by different methods such as NMR, Raman, and X-ray absorption leads to similar conclusions regarding the chemical bonding in fluorographites. Several major configurations of fluorinated graphites are discussed, that is, planar sheets with mainly sp(2) hybridization in room temperature graphite fluorides and corrugated sheets with sp(3) hybridization in covalent high temperature graphite fluoride. Different references such as highly oriented pyrolytic graphite (HOPG), graphitized carbon nanodiscs (graph-CNDs) and nanodiamonds (NDs) have also been investigated for comparison.}},
  author       = {{Ahmad, Y. and Dubois, M. and Guerin, K. and Hamwi, A. and Fawal, Z. and Kharitonov, A. P. and Generalov, A. V. and Klyushin, A. Yu. and Simonov, K. A. and Vinogradov, N. A. and Zhdanov, I. A. and Preobrajenski, Alexei and Vinogradov, A. S.}},
  issn         = {{1932-7447}},
  language     = {{eng}},
  number       = {{26}},
  pages        = {{13564--13572}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Journal of Physical Chemistry C}},
  title        = {{NMR and NEXAFS Study of Various Graphite Fluorides}},
  url          = {{http://dx.doi.org/10.1021/jp401579u}},
  doi          = {{10.1021/jp401579u}},
  volume       = {{117}},
  year         = {{2013}},
}