C60-doped silicon dioxide sonogels for optical limiting

Duncan W. McBranch; Benjamin R. Mattes; Aaron C. Koskelo; Jeanne M. Robinson; Steven P. Love

doi:10.1117/12.196128

28 November 1994 C60-doped silicon dioxide sonogels for optical limiting

Duncan W. McBranch, Benjamin R. Mattes, Aaron C. Koskelo, Jeanne M. Robinson, Steven P. Love

Proceedings Volume 2284, Fullerenes and Photonics; (1994) https://doi.org/10.1117/12.196128
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

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.

Citation Download Citation

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); https://doi.org/10.1117/12.196128

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