Chemical vapor synthesis and characterization of chromium doped zinc oxide nanoparticles

被引：49
|
作者：
Jin, Wei
Lee, In-Kyum
Kompch, Alexander
Doefler, Udo
Winterer, Markus
机构：
[1] Univ Duisburg Essen, Dept Engn Sci, D-47057 Duisburg, Germany
[2] Univ Duisburg Essen, Ctr Nanointegrat Duisburg Essen, D-47057 Duisburg, Germany
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2007年 / 27卷 / 13-15期
关键词：
powders-gas phase reaction; x-ray methods; spectroscopy; ZnO; chemical vapor synthesis (CVS);
D O I：
10.1016/j.jeurceramsoc.2007.02.152
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：
ZnO and Cr doped ZnO nanoparticles were synthesized by chemical vapor synthesis (CVS) which is a modified chemical vapor deposition (CVD) process. The resulting powders consist of nanocrystalline particles and were characterized by X-ray diffraction (XRD), nitrogen adsorption (BET), transmission electron microscopy (TEM), energy dispersive X-ray analysis (EDX), element analysis, and extended X-ray absorption fine structure (EXAFS) spectroscopy. The grain size decreases with increasing dopant concentration. The lattice constants extracted by the Rietveld method from XRD data vary slightly with doping concentration. XRD and EXAFS data analysis show that the Chromium dopant atoms are incorporated into the wurtzite host lattice. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4333 / 4337
页数：5
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