C60 Oxide as a Key Component of Aqueous C60 Colloidal Suspensions246th American Chemical Society National Meeting & Exposition (2013)
AbstractThe [6,6]-closed epoxide derivative (C60O) of buckminsterfullerene (C60) is found to stabilize aqueous fullerene colloidal suspensions (nC60). This pervasive derivative is often unrecognized, but present in small quantities in nearly all C60 starting materials due to a reaction with air. In nC60 formation from organic solvent solutions, C60O partitions preferentially to the colloid, significantly enriching the C60O content of the particles relative to the starting material. Because this partitioning is significantly retarded in nC60 synthesis methods that do not use organic solvents, such as long-term stirring in water, such methods instead rely on trace levels of ozone in the ambient atmosphere to produce sufficient C60O to allow stable suspension in water. Controlled-atmosphere syntheses, deliberate C60O enrichment, light-scattering measurements, and extraction followed by HPLC analysis and UV-visible absorption spectroscopy will be reported.
Publication DateSeptember 8, 2013
Citation InformationKevin D. Ausman, Befrika S. Murdianti, Joshua T. Damron, Martha E. Hilburn, et al.. "C60 Oxide as a Key Component of Aqueous C60 Colloidal Suspensions" 246th American Chemical Society National Meeting & Exposition (2013)
Available at: http://works.bepress.com/kevin_ausman/4/