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Title: Preparation of fullerene/glass composites

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.
Inventors:
 [1];  [1];  [2];  [2];  [2]
  1. (Santa Fe, NM)
  2. (Los Alamos, NM)
Issue Date:
OSTI Identifier:
869907
Assignee:
Regents of University of California Office of Technology Transfer (Alameda, CA) LANL
Patent Number(s):
US 5420081
Contract Number:
W-7405-ENG-36
Research Org:
Los Alamos National Laboratory (LANL), Los Alamos, NM
Country of Publication:
United States
Language:
English
Subject:
preparation; fullerene; glass; composites; synthesis; direct; method; preparing; solid; solutions; 60; silicon; dioxide; sio; matrices; means; sol-gel; chemistry; described; produce; highly; concentrated; fullerene-sol-gel-composites; increase; solubility; guests; delivery; solvent; compatible; starter; sol; receiving; sonication; results; aggregate; disruption; treatment; frequency; sound; waves; accelerating; rate; hydrolysis; alkoxide; precursor; solution; process; depending; preparative; procedure; dispersed; matrix; microcrystalline; domains; true; molecular; generated; sound waves; solid solution; silicon dioxide; glass matrix; highly concentrated; solid solutions; sol-gel chemistry; oxide precursor; produce highly; solution process; solid glass; glass composites; alkoxide precursor; sound wave; direct method; /501/