[Zurück]

U. Schubert:
"Metal Oxide / Silica and Metal / Silica Nanocomposites from Organofunctional Single-Source Sol-Gel Precursors";
Advanced Engineering Materials, 6 (2004), 3; S. 173 - 176.

Single-source precursors of the type (RO)₃Si-X-M, where X represents a tethering organic group and M a metal-containing unit (metal ion or metal alkoxide group), allow the preparation of MO_x/SiO₂ or M/SiO₂ nanocomposites with a controllable nanoparticle size. After sol-gel processing, the organic groups are removed by controlled thermal treatment, whereby the metal oxide nanoparticles are formed. This approach is exemplified for precursors based on amino-substituted (for the late transition metals) and -diketonate-substituted alkoxysilanes (for the early transition metals).

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