Silicon dioxide with the chemical formula SiO2 is used in many processes, including in the process of producing quartz glass. The synthesis of this compound takes place using liquid silica precursors.
The precursors may be: polysilicates, silicon alkoxides, as well as appropriate silanes. The syntheses of silica from liquid precursors enable control over its physical and chemical properties. This fact is crucial in many material and device production processes in industries such as microelectronics, optics or construction.
Chemical or physical vapour deposition is one of the groups of methods for producing silicon dioxide—it involves heating a liquid precursor, which is transformed into a thin layer of silica on the surface. Depending on the type of compound, silica is also produced in condensation reactions or sol-gel processes.
TEOS (tetraethoxysilane) is a key component of the reaction which generates SiO2, and it is available in the product portfolio of the PCC Group.
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