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Luminescence of Rare Earth Metalorganic Complexes in Sol-Gel Derived Host Materials

  • Lowell R. Matthews (a1) and E. T. Knobbe (a1)

Abstract

The narrow, intense emission bands of europium(III) make its compounds of interest for various optical source applications. Previous studies have shown that europium thenoyltrifluoroacetonate complexes, e.g. Eu(TTFA)3, have superior fluorescence properties in select media with respect to inorganic salts like EuCl3. It has been shown that such complexes may be incorporated into solid-state matrices via the sol-gel process. The present research examines the luminescence behavior of a metalorganic complex (Eu(TTFA)3) doped into a sol-gel derived silica-acrylate ORMOSIL host and extends our earlier work on doped silica gel materials. The present study focuses on the effects of dopant concentration and dopant-matrix interaction, and seeks to compare the behavior of Eu(ITFA)3 in silica and ORMOSIL gel host materials.

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1. Matthews, L. R. and Knobbe, E. T., submitted to Chem. Mater.
2. Lempicki, A. and Samelson, H., Phys. Lett. 4, 133 (1963).
3. (a) Capozzi, Carol A. and Pye, L. David, Proc. SPIE 970 (Society of Photo-Optical Instrumentation Engineers, Bellingham, WA, 1988), p. 135; (b) H. Schmidt and B. Seiferling (Mater. Res. Soc. Proc. 60, Pittsburgh, PA, 1986), p. 739.
4. White, J. G., Inorg. Chim. Acta 16, 159 (1976).
5. Esquivias, L. and Zarzycki, J., in Proceedings of the Third International Conference on Ultrastructure Processing of Ceramics, Glasses and Composites (Wiley, New York, 1988).
6. Dieke, G. H. and Crosswhite, H. M., Appl. Opt. 2, 675 (1963).
7. Wolff, N.E. and Pressley, R. J., Appl. Phys. Lett. 2, 152 (1963).

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Luminescence of Rare Earth Metalorganic Complexes in Sol-Gel Derived Host Materials

  • Lowell R. Matthews (a1) and E. T. Knobbe (a1)

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