Synthesis of Monodisperse Silica Microspheres by a Modified Stober Method
Synthesis of Monodisperse Silica Microspheres by a Modified Stober Method
复制标题
改良斯托伯法合成单分散二氧化硅微球
DOI：
10.1080/10584587.2014.904651
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发表时间：
2014-01-01
影响因子：
0.7
通讯作者：
Liu, Chuan-Kuo
中科院分区：
文献类型：
--
作者：
Lei, Xue;Yu, Bing;Liu, Chuan-Kuo
单分散二氧化硅微球因其在许多领域的重要应用而备受关注。本文采用改进的Stober法，通过注射泵将原硅酸四乙酯（TEOS）连续供给到反应体系中，成功合成了一系列单分散二氧化硅（SiO2）微球。通过改变TEOS的供给量，得到的SiO2微球的直径很好地控制在1μm到3μm之间。使用扫描电子显微镜（SEM）对二氧化硅颗粒进行详细表征。
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).