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In materials science, the sol–gel process is a method for producing solid materials from small molecules. ... One of the largest application areas is thin films, ...
This is a relatively inexpensive, simple thin-film process that produces stoichiometrically accurate crystalline phases. This technique is also known as the sol-gel method because the 'sol' (or solution) gradually evolves towards the formation of a gel-like diphasic system.
The sol–gel process has a long history in the synthesis of silicate systems and other oxides and has become a widely researched field with significant technological relevance. This process is used for the fabrication of thin films, coatings, nanoparticles, and fibers.
One process for making nanoceramics varies is the sol-gel process, also known as chemical solution deposition. This involves a chemical solution, or the sol, made of nanoparticles in liquid phase and a precursor, usually a gel or polymer, made of molecules immersed in a solvent. The sol and gel are mixed to produce an oxide material which are ...
A process related to the sol-gel route is the Pechini, or liquid mix, process (named after its American inventor, Maggio Pechini). An aqueous solution of suitable oxides or salts is mixed with an alpha hydroxycarboxylic acid such as citric acid. Chelation, or the formation of complex ring-shaped compounds around the metal cations, takes place ...
Dip coating of inorganic sols (or so-called sol-gel synthesis) is a way of creating thin inorganic or polymeric coatings. In sol-gel synthesis the speed of deposition is an important parameter that affects, for example, layer thickness, density and porosity. The sol-gel technique is a deposition method that is widely used in material science to ...
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The sol-gel process is a common method of preparing water-repellent glass coating films done with various materials and often resulting in dual-layer films. [7] This process is advantageous for automobile window applications since it works with large, curved safety glasses and allows qualities such as durability and hydrophobicity to be ...
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