Synthesis and Microstructure of Al2O3-SiO2 Nanoparticles by a Sol-Gel Processing

Sung Kang; Byung Ik Kim; Chang Yeoul Kim; Jong Kyu Lee; Dong Sik Bae

doi:10.4028/www.scientific.net/SSP.124-126.679

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HomeSolid State PhenomenaSolid State Phenomena Vols. 124-126Synthesis and Microstructure of Al2O3-SiO2...

Synthesis and Microstructure of Al₂O₃-SiO₂ Nanoparticles by a Sol-Gel Processing

Abstract:

Al2O3-SiO2 nanoparticles have been synthesized by a sol-gel processing. Size and composition of the synthesized particles can be controlled by manipulating the relative rates of the hydrolysis and condensation reaction of precursor. The average size of synthesized Al2O3-SiO2 nanoparticles was about in the size range of 50~100nm. The effects of synthesis parameters, such as the molar ratio of water to precursor, the molar ratio of water to surfactant and stirring rate, are discussed.