19F NMR study of C-F bonding and localization effects in fluorine-intercalated graphite

A. M. Panich; T. Nakajima; S. D. Goren

doi:10.1016/S0009-2614(97)00450-8

¹⁹F NMR study of C-F bonding and localization effects in fluorine-intercalated graphite

A. M. Panich, T. Nakajima, S. D. Goren

Department of Physics

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

The C-F bonding and localization effects in fluorine-intercalated graphite C_xF with 3.8 ≤ x ≤ 6.5 have been studied by ¹⁹F NMR. An analysis of ¹⁹F shielding measured in our experiment and of data taken from the literature shows that the changing character of the C-F bond occurs for x < 3 whereas the change in conductivity occurs for x in the range from 3 to 6. We suggest that the drop in conductivity for fluorine concentrations above that corresponding to σ_max is caused by a percolation mechanism rather than by the change in bond length.

Original language	English
Pages (from-to)	381-384
Number of pages	4
Journal	Chemical Physics Letters
Volume	271
Issue number	4-6
DOIs	https://doi.org/10.1016/S0009-2614(97)00450-8
State	Published - 13 Jun 1997

ASJC Scopus subject areas

Physics and Astronomy (all)
Physical and Theoretical Chemistry

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abstract = "The C-F bonding and localization effects in fluorine-intercalated graphite CxF with 3.8 ≤ x ≤ 6.5 have been studied by 19F NMR. An analysis of 19F shielding measured in our experiment and of data taken from the literature shows that the changing character of the C-F bond occurs for x < 3 whereas the change in conductivity occurs for x in the range from 3 to 6. We suggest that the drop in conductivity for fluorine concentrations above that corresponding to σmax is caused by a percolation mechanism rather than by the change in bond length.",

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AU - Panich, A. M.

AU - Nakajima, T.

AU - Goren, S. D.

PY - 1997/6/13

Y1 - 1997/6/13

N2 - The C-F bonding and localization effects in fluorine-intercalated graphite CxF with 3.8 ≤ x ≤ 6.5 have been studied by 19F NMR. An analysis of 19F shielding measured in our experiment and of data taken from the literature shows that the changing character of the C-F bond occurs for x < 3 whereas the change in conductivity occurs for x in the range from 3 to 6. We suggest that the drop in conductivity for fluorine concentrations above that corresponding to σmax is caused by a percolation mechanism rather than by the change in bond length.

AB - The C-F bonding and localization effects in fluorine-intercalated graphite CxF with 3.8 ≤ x ≤ 6.5 have been studied by 19F NMR. An analysis of 19F shielding measured in our experiment and of data taken from the literature shows that the changing character of the C-F bond occurs for x < 3 whereas the change in conductivity occurs for x in the range from 3 to 6. We suggest that the drop in conductivity for fluorine concentrations above that corresponding to σmax is caused by a percolation mechanism rather than by the change in bond length.

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U2 - 10.1016/S0009-2614(97)00450-8

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 4-6

ER -

¹⁹F NMR study of C-F bonding and localization effects in fluorine-intercalated graphite

Abstract

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