Preparation and Characterization of SiO2 Nanoparticles by Microemulsion Method

Wei Jie Yu; Zhen Feng Zhu; Chun Lei Geng

doi:10.4028/www.scientific.net/KEM.368-372.787

Paper Titles

Preparation of SiC_w/3Y-ZrO₂/Al₂O₃ Composites
p.775

Preparation and Performance of AlN-ZrO₂ Multiphase Material
p.778

Preparation and Characterization of Pr-CeO₂ Nano-Powders by Co-Precipitation-Hydrothermal Method
p.781

Influence of Preparation Temperature on Performance of Ce_1-xPr_xO₂ Ultrafine Powder Prepared by a Microemulsion Process
p.784

Preparation and Characterization of SiO₂ Nanoparticles by Microemulsion Method
p.787

Fabrication of the Monolithic Silica Aerogels Using Sodium Silicate and its Network Strengthening
p.790

Preparation of Silicon Dioxide Fiber via Sol-Gel Process
p.794

Synthesis of Core@Shell Composites with Gold Nanoparticles Trapped inside Ceramic Silica Shells by the Sol-Gel Method
p.797

Effect of Heat Treatment on the Microstructure of TiO₂ Nanofibers Prepared by Refluxing in Basic Solution
p.800

HomeKey Engineering MaterialsKey Engineering Materials Vols. 368-372Preparation and Characterization of SiO2...

Preparation and Characterization of SiO₂ Nanoparticles by Microemulsion Method

Abstract:

The stable region of microemulsion of Triton X-100/hexanol/cyclohexane/ water water-in-oil (W/O) system was investigated by using distilled water as aqueous phase. SiO2 nanopowders were prepared by hydrolysis of tetraethoxysilane (TEOS) in the designed reverse microemulsion. The prepared samples were characterized by XRD and TEM. The results showed that the size of particles is within a range of 40~50nm and the aggregation is not evident after heat treatment. The size of particle is minimal and the dispersal is optimal when the ammonia content is 11% in volume.