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Preparation of fullerene/glass composites

Patent ·
OSTI ID:869907
 [1];  [1];  [2];  [2];  [2]
  1. Santa Fe, NM
  2. Los Alamos, NM
+ Show Author Affiliations

Synthesis of fullerene/glass composites. A direct method for preparing solid solutions of C.sub.60 in silicon dioxide (SiO.sub.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.sub.60. Depending upon the preparative procedure, C.sub.60 dispersed within the glass matrix as microcrystalline domains, or dispersed as true molecular solutions of C.sub.60 in a solid glass matrix, is generated by the present method.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM
DOE Contract Number:
W-7405-ENG-36
Assignee:
Regents of University of California Office of Technology Transfer (Alameda, CA)
Patent Number(s):
US 5420081
OSTI ID:
869907
Country of Publication:
United States
Language:
English

References (2)

Preparation of C70-Doped Solid Silica Gel via Sol-Gel Process journal October 1992
Diffusion of C60 in porous sol-gel glass journal February 1994

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silicon
silicon dioxide
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