Preparation of Ultrafine ZnO Powder by Precipitation Method

被引：0

作者：

Sun, Yi ^{[1
]}

Shen, Xiaoyi ^{[1
]}

Zhai, Yuchun ^{[1
]}

机构：

[1] Northeastern Univ, Sch Met & Mat, Shenyang 110819, Liaoning, Peoples R China

来源：

MATERIALS AND DESIGN, PTS 1-3 | 2011年 / 284-286卷

关键词：

Ultrafine ZnO powder; Precipitation method; Aqueous ammonium carbonate; Hexagonal wurtzite structure; NANOPARTICLES;

D O I：

10.4028/www.scientific.net/AMR.284-286.880

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ultrafine ZnO powder was synthesized by precipitation method, using zinc sulfate and aqueous ammonium carbonate as raw material and precipitant, respectively. The influence of the concentration of aqueous ammonium carbonate on the precipitation rate of Zn2+ was discussed and their relationship was also illustrated. The precipitation rate of Zn2+ increased gradually with the mol ratio of CO32- to Zn2+, which reached up to more than 96% when the mol ratio was 1.2. In addition, the crystal structure and morphology of the precursor and ZnO powder were also characterized using XRD and SEM. The results indicated that ZnO powder was hexagon wurtzite structure and spherical figure with high purity and regular crystal form.

引用

页码：880 / 883

页数：4

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