Discovery of effective solvents for platelet-type graphite nanofibers

Abstract The dispersibility of platelet-type graphite nanofibers (PGNFs), an archetype of carbon material with a surface dominated by graphitic edge planes, has been measured in 28 solvents and rationalized on the basis of solvent surface tension and Hansen solubility parameters. Successful solvents possess surface tensions of ∼25–35 mJ m −2 and substantial values of the hydrogen-bonding Hansen parameter ( δ H  ∼ 14–16 MPa 1/2 ), and many of them are alcohols, such as 1-butanol, ethanol or cyclohexanol. Such result is mainly attributed to the fact that the PGNF edge planes are decorated with oxygen functional groups. The dispersion behavior of the nanofibers could be changed to that typically exhibited by carbon nanotubes and graphene by means of a high temperature annealing that converted their surface edge planes to curved basal planes.

• Publication year

  2013

• Venue

  Carbon

• Publication date

  2013-03-01

• Fields of study

  Materials Science, Chemistry

• Identifiers
  DOI 10.1016/J.CARBON.2012.10.052
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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