| Preparation of SiO2 Nanoparticles by Silicon and Their Dispersion Stability |
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| 引用本文： | PANGJinxing GONGYun XlONGYan ZHANGChaocan. Preparation of SiO2 Nanoparticles by Silicon and Their Dispersion Stability[J]. 武汉理工大学学报(材料科学英文版), 2005, 20(2): 74-76. DOI: 10.1007/BF02838494 |
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| 作者姓名： | PANGJinxing GONGYun XlONGYan ZHANGChaocan |
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| 作者单位： | SchoolofScience,WuhanUniversityofTechnology,Wuhan430070,China |
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| 摘 要： | Silicon dioxide sol was synthesized by silicon tn the presence of alkali catalyst. ,SiO2 nanoparticles (size in 8- 15nm) aqueous dispersion was prepared by using dispersion and surface modification in situ. The effects of reaction time, temperature, medium pH value, dispersant and surface-modifier on their diameters, sizes distribution and dispersion stability were also studied. The experimental results show that the preparation method can effectively resolve the dispersion stability of SiO2 nanoparticles in water.
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| 关 键 词： | 纳米粒子 表面改性 粒径分布 分散稳定性 |
| 收稿时间： | 2004-07-18 |
| 修稿时间： | 2004-12-22 |
Preparation of SiO2 nanoparticles by silicon and their dispersion stability |
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| Pang Jinxing,Gong Yun,Xiong Yan,Zhang Chaocan. Preparation of SiO2 nanoparticles by silicon and their dispersion stability[J]. Journal of Wuhan University of Technology. Materials Science Edition, 2005, 20(2): 74-76. DOI: 10.1007/BF02838494 |
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| Authors: | Pang Jinxing Gong Yun Xiong Yan Zhang Chaocan |
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| Affiliation: | (1) School of Science, Wuhan University of Technology, 430070 Wuhan, China |
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| Abstract: | Silicon dioxide sol was synthesized by silicon in the presence of alkali catalyst. SiO2 nanoparticles (size in 8–15 nm) aqueous dispersion was prepared by using dispersion and surface modification in situ. The
effects of reaction time, temperature, medium pH value, dispersant and surface-modifier on their diameters, sizes distribution
and dispersion stability were also studied. The experimental results show that the preparation method can effectively resolve
the dispersion stability of SiO2 nanoparticles in water. |
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| Keywords: | nanoparticles forming in situ surface-modification size distribution dispersion stability |
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