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

页码：1636 / +

页数：2

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