Nanofibers of fullerene C-60 through interplay of ball-and-socket supermolecules

L.J. Hubble, Colin Raston

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Mixing solutions of p-tBucalix[5]arene and C-60 in toluene results in a 1:1 complex (C-60)boolean AND(p-tBu-calix[5]arene), which precipitates as nanofibers. The principle structural unit is based on a host-guest ball-and-socket nanostructure of the two components, with an extended structure comprising zigzag/helical arrays of fullerenes (powder X-ray diffraction data coupled with molecular modeling). Under argon at temperatures above 309 degrees C, the fibers undergo selective volatilization of the calixarenes to afford C-60-core nanostructures encapsulated in a graphitic material sheath, which exhibits a dramatic increase in surface area. Above 650 degrees C the material exhibits an ohmic conductance response, due to the encapsulation process.
Original languageEnglish
Pages (from-to)6755-6760
JournalChemistry: A European Journal
Issue number23
Publication statusPublished - 2007


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