Citation: Dong Jun WANG, Qun LUO, Dan Dan JIA, Xiao Dong LI, Xin Qiou WANG, Yong Huang, Zhen ZHEN, Xin Hou LIU. Rapid Fabrication of Hollow SiO₂ Spheres with Novel Morphology[J]. Chinese Chemical Letters, ;2003, 14(12): 1306-1308. shu

Rapid Fabrication of Hollow SiO₂ Spheres with Novel Morphology

1.
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101;
2.
Hebei Vocation-technical Teacher's College, Qinhuangdao 066600

Received Date: 7 December 2002

Fund Project: This work is financially supported by the National Natural Science Foundation of China (No. 20204018). One of the authors (D. Wang) would like to express his appreciation to Hebei Scientific Research Fund Program for Doctoral Fellows in Universities (No. 2002128) for support of this work.

The hydrolysis of tetraethoxysilane (TEOS) occurred on the surface of poly(methyl methacrylate) (PMMA) microshperes immediately after these microshperes were prepared in TEOS. Micron-sized hollow SiO₂ spheres were obtained by calcination of the coated PMMA microshperes. It was found that the final hollow spheres were constituted by small SiO₂ particles.
- Hollow SiO₂ spheres,
- PMMA microshperes,
- rapid fabrication
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