Production of Perfluoroalkylated Nanospheres from Buckminsterfullerene
Paul J. Fagan 1,
Paul J. Krusic 1,
C. N. McEwen 1,
J. Lazar 1,
Deborah Holmes Parkert 1,
N. Herron 1, and
E. Wasserman 1
1 Central Research and Development Department, E. I. du Pont de Nemours & Company, Experimental Station, P.O. Box 80328, Wilmington, DE 19880-0328
Perfluoroalkylated nanospheres have been prepared by reaction of fullerenes with a variety of fluoroalkyl radicals. The latter are generated by thermal or photochemical decomposition of fluoroalkyl iodides or fluorodiacyl peroxides. Up to 16 radicals add to C60 to afford easily isolable fluoroalkylated derivatives. The monosubstituted radical adducts were detected by electron spin resonance in the early stages of the fluoroalkylation reactions. These spheroidal molecules are thermally quite stable, soluble in fluoroorganic solvents, chemically resistant to corrosive aqueous solutions, and more volatile than the parent fullerenes. Films of the sublimed material display properties typical for a perfluoroalkylated material.
Submitted on May 24, 1993
Accepted on August 4, 1993
