A novel method for the fabrication of monodisperse hollow silica spheres

被引:205
作者
Deng, Ziwei
Chen, Min
Zhou, Shuxue
You, Bo
Wu, Limin [1 ]
机构
[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
[2] Fudan Univ, Adv Coatings Res Ctr, China Educ Minist, Shanghai 200433, Peoples R China
关键词
D O I
10.1021/la060944n
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In this paper, we report a novel method for the fabrication of small monodisperse hollow silica spheres. In this approach, when silica shells were coated on polystyrene particles by the sol-gel method, the polystyrene cores were dissolved subsequently, even synchronously, in the same medium to form monodisperse hollow spheres. Neither additional dissolution nor a calcination process was needed to remove the polystyrene cores. Transmission electron microscopy, scanning electron microscopy, and porosity measurements were used to characterize the monodisperse hollow silica spheres.
引用
收藏
页码:6403 / 6407
页数:5
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