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1 2005

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Design of molecular structure and synthetic approaches to single-source precursors in the sol-gel technology

Kessler V. G., Seisenbaeva G. A., Werndrup P., Parola S., Spijksma G. I.

Materials Science Poland

2005

Vol. 23, No. 1

69--78

Metal alkoxide and -diketonate complexes are broadly recognized as versatile precursors of high-purity glass and ceramic materials in the sol-gel technology. By applying reactants containing various metal atoms in the proper ratio and assuring their conservation through sol-gel treatment, single-source precursors (SSP) provide an efficient approach to complex materials. Simple and cost-efficient routes to SSP can be developed by applying the concept of geometrical molecular structure design, which is based on the choice of a type proper of molecular structure and its completion with ligands, providing the necessary number of donor atoms for the chosen core as well as sterical protection.