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United States Patent 5,420,081
Mattes, et. al.May 30, 1995

Preparation of fullerene/glass composites

Inventors: Mattes; Benjamin R. (Santa Fe, NM); McBranch; Duncan W. (Santa Fe, NM); Robinson; Jeanne M. (Los Alamos, NM); Koskelo; Aaron C. (Los Alamos, NM); Love; Steven P. (Los Alamos, NM).
Assignee: The Regents of the University of California Office of Technology Transfer (Alameda, CA).
Appl. No.: 221,421
Filed: Mar. 31, 1994

Intl. Cl.:C03C 14/00;
U.S. Cl.:501/12.; 501/32.;
Field of Search:12;32;54

References Cited

U.S. Patent Documents
5,172,278Dec., 1992Tutt 359/885
5,200,334Apr., 1993Dunn et al.
5,270,027Dec., 1993Balducci et al.

Other References

Primary Examiner: Group; Karl

Abstract

Synthesis of fullerene/glass composites. A direct method for preparing solid solutions of C(60) in silicon dioxide (SiO(2)) glass matrices by means of sol-gel chemistry is described. In order to produce highly concentrated fullerene-sol-gel-composites it is necessary to increase the solubility of these "guests" in a delivery solvent which is compatible with the starter sol (receiving solvent). Sonication results in aggregate disruption by treatment with high frequency sound waves, thereby accelerating the rate of hydrolysis of the alkoxide precursor, and the solution process for the C(60). Depending upon the preparative procedure, C(60) dispersed within the glass matrix as microcrystalline domains, or dispersed as true molecular solutions of C(60) in a solid glass matrix, is generated by the present method.

10 Claims, No Drawings

Government Interest

The invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy to The Regents of the University of California. The Government has certain rights in the invention.


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