Fabrication of Lu2O3:Eu transparent ceramics using powder consisting of mono-dispersed spheres

被引：14
作者：
Ma, Chang [1 ]
Li, Xiaodong [1 ]
Liu, Shaohong [1 ]
Zhu, Qi [1 ]
Huo, Di [1 ]
Li, Ji-Guang [1 ,2 ]
Sun, Xudong [1 ]
机构：
[1] Northeastern Univ, Sch Met & Mat, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110004, Peoples R China
[2] Natl Inst Mat Sci, Nano Ceram Ctr, Tsukuba, Ibaraki 3050044, Japan
来源：
CERAMICS INTERNATIONAL | 2015年 / 41卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Lu2O3:Eu; Homogeneous precipitation; Mono-spheres; Transparent ceramics; SOLVOTHERMAL SYNTHESIS; LUMINESCENT PROPERTIES; COLLOIDAL SPHERES; FACILE SYNTHESIS; UNIFORM; PHOSPHOR; EU3+; TB3+; LN; MICROSPHERES;
D O I：
10.1016/j.ceramint.2015.04.019
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：
Mono-dispersed spherical Lu2O3:Eu (5 mol%) powders for transparent ceramics fabrication were synthesized by urea-based homogeneous precipitation technique. The effects of the doped-Eu3+ on the synthesis of Lu2O3:Eu particles were investigated in detail. The results show that the doping of Eu3+ ions into Lu system can significantly decrease the particle size of the resultant precursor spheres. Owing to the sequential precipitation in Lu/Eu system, there are compositional gradients within each of the resultant precursor spheres. Well dispersed, homogeneous and spherical/near spherical Lu2O3:Eu powders were obtained after calcination at 600-1000(degrees)C for 4 h. The powder calcined at 600 degrees C shows better sintering behavior and can be densified into transparent ceramic after vacuum sintering at 1700 degrees C for 5 h. The luminescence properties of the obtained Lu2O3:Eu powder and transparent ceramic were also studied. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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页码：9577 / 9584
页数：8
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