Preparation and characterization of coated ZnO nanoparticles

被引：1
|
作者：
Xue Tao [1 ]
Nie Dengpan [1 ]
Zeng Shu [2 ]
Zhang Yu [3 ]
Pan Lu [2 ]
机构：
[1] Guizhou Inst Met & Chem Engn, Guiyang 550002, Peoples R China
[2] Guizhou Nnaomat Engn Ctr, Guiyang 550002, Peoples R China
[3] Guizhou Univ, Sch Chem Engn, Guiyang 550003, Peoples R China
来源：
HIGH-PERFORMANCE CERAMICS V, PTS 1 AND 2 | 2008年 / 368-372卷
关键词：
nano-ZnO; surface modification; coated; dispersion stability;
D O I：
10.4028/www.scientific.net/KEM.368-372.1636
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
SiO2 coated and SiO2/Al2O3 coated nano-ZnO were synthesized by chemical liquid deposition method. The surface properties and dispersion stability of the coated and uncoated ZnO nanoparticles were characterized. The results showed that a SiO2 or SiO2/Al2O3 amorphous layer was coated on the ZnO nanoparticles. The adsorbed hydroxyl content of ZnO was found to increase accompanied by the decrease of UV-shielding ability by surface modification; moreover, the isoelectric point of ZnO slurry was changed, and the stability of nano-ZnO in water was also improved effectively.
引用
收藏
页码：1636 / +
页数：2
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