Synthesis of LaPO4:Ce,Terbium by Co-Precipitation Method

被引：1
|
作者：
龙志奇
任乐
朱兆武
崔大力
赵娜
李明来
黄小卫
机构：
[1] Grirem Advanced Materials Co. Ltd. General Research Institute for Non-Ferrous Metals
[2] China
[3] Beijing 100088
来源：
JournalofRareEarths | 2006年 / S1期
关键词：
LaPO4:Ce; Tb; precursor; green phosphors; co-precipitation method; rare earths;
D O I：
暂无
中图分类号：
O482.3 [光学性质];
学科分类号：
070205 ; 0805 ; 080502 ; 0809 ;
摘要：
The synthesis of precursor of green phosphors, LaPO4: Ce, Tb, by means of co-precipitation with cocurrent flow feed was studied. The effects of the reaction temperature, the kind and concentration of the acid in the bottom water, and the charging rate on the physical properties, such as particle size, were investigated. It is found that the particle size of the powder is controllable by adjusting acidity in bottom water and charging rate. The powder with diameter size of 3 to 5μm was obtained. Its XRD and SEM were analyzed. XRD patterns of the as-prepared green phosphor powders display the typical peaks of CePO4. SEM shows that the morphology of powders is ball-shaped.
引用
收藏
页码：137 / 140
页数：4
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