A gel consists of a porous, threedimensionally continuous solid network surrounding and supporting a continuous liquid phase wet gel. Solgel photocatalysts could be a good option for abating pollution in both. In most sol gel systems for the synthesis of oxide materials, gelation i. Synthesis and functionalization of a mesoporous silica nanoparticle based on the solgel process and applications in controlled release. Pdf in concept, the sol gel technique in fabricating inorganic films is a simple process with a number of unique advantages.
Pdf proceso solgel carlos tentle valeriano academia. The way of making materials in any form including fibers, films, particles and monolithic solids starting with liquids and molecular precursors. Activation, filtration, surface preparation and application. Prior to activation, the individual components must be mixed thoroughly since. In materials science, the solgel process is a method for producing solid materials from small molecules. Pdf solgel process and its application in nanotechnology. Solid state tonics 3233 1989 633638 northholland, amsterdam the chemistry of the solgel process j. Sol gel techniques are mostly used for fabrication of metal oxide nps kumar et al. First, tetraethoxysilane was hydrolyzed and polymerized with an acid as a catalyst to obtain siox. In general, the solgel process uses metal alkoxides as raw materials, but it is very difficult to obtain indium and tin alkoxide because of preparation problems, unavailability, or expensive cost.
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