SiO 2 /TiO 2 composite microspheres with microporous SiO 2 core/mesoporous TiO 2 shell structures were prepared by hydrolysis of titanium tetrabutylorthotitanate (TTBT) in the presence of microporous silica microspheres using hydroxypropyl cellulose (HPC) as a surface esterification agent and porous
Preparation of uniform rhodamine B-doped SiO2/TiO2 composite microspheres
β Scribed by Fuyong Yang; Ying Chu; Lei Huo; Yang Yang; Yang Liu; Jinglin Liu
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 385 KB
- Volume
- 179
- Category
- Article
- ISSN
- 0022-4596
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Hollow N, Co co-doped TiO 2 /SiO 2 microspheres (CNT) have been prepared by in-suit polymerization and chemical adsorption methods, using polystyrene microspheres (PS) as the templates, tetraethylorthosilicate (TEOS) and tetrabutyltitanate (TBOT) as precursors, triethylamine and cobaltous nitrate as
ena. It is well established that the particle nature can influ-The SiO 2 -TiO 2 composite powders with various Si/Ti ratios ence the ER activity of the resulting suspension; however, were prepared by the sol-gel processing, using tetraisopropylorthe research work on this aspect remains insufficient,