Journal
INTEGRATED FERROELECTRICS
Volume 154, Issue 1, Pages 142-146Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10584587.2014.904651
Keywords
Monodisperse particles; silica; microspheres; Stober method
Funding
- National Key Basic Research Development Program of China (973 special preliminary study plan) [2012CB722705]
- Natural Science Foundation of China [21344005, 21375069]
- Fok Ying Tong Education Foundation [131045]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars of State Education Ministry [20111568]
- Science and Technology Program of Qingdao [1314159jch]
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Monodisperse silica microspheres have drawn much attention for having important applications in many areas. In this paper, a series of monodisperse silica (SiO2) microspheres was synthesized successfully using a modified Stober method in which tetraethyl orthosilicate (TEOS) was continuously supplied into the reaction system by a syringe pump. By changing the supply rate of TEOS, the diameters of the obtained SiO2 microspheres were controlled very well from 1 mu m to 3 mu m. Detailed characterization of the silica particles was performed using scanning electron microscopy (SEM).
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