Waly SA Author

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Influence of Surfactants on the Physical Properties of Silica Nanoparticles Synthesis via Sol-Gel Method

Author(s):

Shehata MM, Mahmoud HH and Waly SA

Silica nanoparticles (n-SiO2) have been synthesized using hydrolysis of Tetraethyl orthosilicate (TEOS) as starting material and ethanol as solvent by sol-gel method. The effect of different surfactants such as non-ionic surfactants sorbitan tristearate (Span 65) and sorbitan trioleate (Span 85) and anionic surfactants Sodium dodecyl sulfate (SDS) and emulsifier T-80 (Tween-80) on morphology and size of the particles was investigated. The role of these surfactants in controlling the size and properties of silica nanoparticles has been discussed. The particles size of silica nanoparticles is controlled also using Ammonia as base catalyst. Silica n... view more»

DOI: 10.4172/2325-9809.1000148

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