Annealing effect on photoluminescence intensity of Eu-doped Y2O3 nanocrystals

被引：0
|
作者：
Park, JH [1 ]
Back, NG
Hong, KS
Kim, CS
Yoo, DH
Kwak, MG
Han, JI
Sung, JH
Moon, BK
Seo, HJ
Choi, BC
机构：
[1] Chinju Natl Univ Educ, Dept Sci Educ, Jinju 660756, South Korea
[2] Korea Basic Sci Inst, Busan Ctr, Pusan 609735, South Korea
[3] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea
[4] Korea Elect Technol Inst, Seongnam 463816, South Korea
[5] Pukyong Natl Univ, Dept Phys, Pusan 608737, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2005年 / 47卷
关键词：
Y2O3; phosphors; nanofabrications; luminescence;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We synthesized Y2O3 : Eu (15, 20, 25 wt%) nanoparticles by using the liquid-phase reaction method and studied their luminescence, characteristic according to the amount of doped europium. The particle size and luminescence intensity of the synthesized nanocrystals annealed at 500 degrees C in air showed europium concentration dependence. We compared these nanocrystals with Y2O3 : Eu (20 wt%) annealed in oxygen at 500 degrees C. The nanocrystal annealed in oxygen showed a better luminescence characteristic and crystallinity. With these annealing conditions the crystallinity and luminescence characteristic of the Y2O3 : Eu nanocrystals are improved.
引用
收藏
页码：S368 / S371
页数：4
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