Preparation of nanocrystalline zinc carbonate and zinc oxide via solid-state reaction at room temperature

被引：33
|
作者：
Wu, Wenwei [1 ]
Jiang, Qiuyu [1 ]
机构：
[1] Guangxi Univ, Coll Chem & Chem Engn, Nanning 530004, Peoples R China
来源：
MATERIALS LETTERS | 2006年 / 60卷 / 21-22期
关键词：
zinc carbonate; nanocrystalline; solid-state reaction; zinc oxide;
D O I：
10.1016/j.matlet.2006.01.090
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The precursor mixture was obtained by grinding ZnSO4 center dot 7H(2)O and NH4HCO3 with surfactant OP thoroughly at room temperature. Then soluble inorganic salts were removed by washing with water. After drying, the pure nanocrystalline ZnCO3 was obtained. ZnO powder was obtained by one-step thermal decomposition of the ZnCO3 at 400 degrees C for 1.5 h. Both the ZnCO3 and the ZnO were characterized by TG/DTA, XRD and TEM. The particle size of the ZnCO3 and the ZnO was found to be 50nm and 20nm, respectively. The smaller particle size of the ZnO suggests a fact that the crystals of the ZnCO3 play a role in the self-crushing reaction. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：2791 / 2794
页数：4
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