Fabrication of sub-micron sized titania hollow spheres

被引:6
|
作者
Kobayashi, Y [1 ]
Gu, SC [1 ]
Kondo, T [1 ]
Mine, E [1 ]
Nagao, D [1 ]
Konno, M [1 ]
机构
[1] Tohoku Univ, Grad Sch Engn, Dept Chem Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
关键词
titania; polystyrene; hollow sphere; core-shell; sol-gel;
D O I
10.1252/jcej.37.912
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Sub-micron sized hollow spheres were fabricated starting from core-shell particles. Polystyrene particles with a size of 345 nm were coated with a titania shell of 15 nm thickness by a sol-gel method. The core-shell particles prepared were annealed at 500degreesC in air to remove the polystyrene core and crystallize the titania shell. The crystal structure of the hollow titania shell was anatase and its surface area was 91.0 m(2)/g.
引用
收藏
页码:912 / 914
页数:3
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