Fluorine-intercalated carbon fibers-I. structural and transport properties

A. Tressaud, V. Gupta, L. Piraux, L. Lozano, E. Marquestaut, S. Flandrois, A. Marchand, O. P. Bahl

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


The intercalation of fluorine in various types of carbon fibers (PAN-based or pitch-based, asreceived or high-temperature treated) has been investigated at room temperature in the presence of gaseous HF. Stage-1 compounds with C2.5F to C4F compositions are obtained for 10 bar F2 pressures, whereas lower pressures (1 bar F2) lead to stage-2 compounds. Although in higher stages (≥2) the electrical conductivity is generally larger than in the pristine fiber, in stage-1 compounds a drastic increase of resistivity is observed, ρ being more than one order of magnitude larger than that of the starting material. Finally, fluorine-intercalated GICs have been found appropriate to investigate the effects of disorder and reduced dimensionality.

Original languageBritish English
Pages (from-to)1485-1492
Number of pages8
Issue number8
StatePublished - 1994


  • fluorine intercalation
  • High-temperature treated carbon fibers
  • transport properties


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