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28 November 1994 C60-doped silicon dioxide sonogels for optical limiting
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We report the successful preparation of a solid solution of C60 in a silicon dioxide (SiO2) glass matrix by means of sol-gel chemistry. Raman spectroscopy and x-ray diffraction were used to verify that our synthetic route produced glasses with a homogeneous dispersion of intact fullerenes. The vibrational spectrum of C60 is preserved in the C60/SiO2 gel glass. Raman and X-ray diffraction data confirm that the C60 is microscopically dispersed, and does not form detectable phase-separated, microcrystalline regions. We report preliminary observations of optical limiting in these gels, with intensity and concentration dependence consistent with that observed for C60 in solution.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Duncan W. McBranch, Benjamin R. Mattes, Aaron C. Koskelo, Jeanne M. Robinson, and Steven P. Love "C60-doped silicon dioxide sonogels for optical limiting", Proc. SPIE 2284, Fullerenes and Photonics, (28 November 1994);

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