7 December 1992 Optical probes in sol-gel silica
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Eu3+ and U022+ have been used as optical probes iii sol-gel silica. Optical fluorescence and decay times were monitored as a function of processing parameters such as pH and densification temperature, and the optical data were correlated with structural changes in the materials. Fluorescence and decay times of Eu3+ ljO,2+ co-doped materials were studied and energy transfer effects were interpreted in terms of the pore morphology.
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Colette M. McDonagh, P. Marron, P. Kiernan, John F. McGilp, "Optical probes in sol-gel silica", Proc. SPIE 1758, Sol-Gel Optics II, (7 December 1992); doi: 10.1117/12.131999; https://doi.org/10.1117/12.131999

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