YAG∶Ce Phosphors for WLED via Nano-Pesudoboehmite Sol-Gel Route

被引：1
|
作者：
张纳 [1 ]
王达健 [2 ]
李岚 [2 ]
蒙延双 [3 ]
张晓松 [4 ]
明楠 [4 ]
机构：
[1] Institute of Materials Physics, Tianjin University of Technology, Tianjin 300191, China, School of Science, Tianjin Polytechnic University, Tianjin 300160, China
[2] Institute of Materials Physics, Tianjin University of Technology, Tianjin 300191, China,Tianjin Key Laboratory for Photoelectric Materials and Devices, Tianjin 300191, China
[3] Faculty of Materials and Metallurgical Engineering, Kunming University of Science and Technology, Kunming 650093, China
[4] Institute of Materials Physics, Tianjin University of Technology, Tianjin 300191, China
来源：
JournalofRareEarths | 2006年 / 03期
关键词：
pseudo-boehmite; sol-gel; YAG∶Ce phosphor; WLED; rare earths;
D O I：
暂无
中图分类号：
TN312.8 [];
学科分类号：
0803 ;
摘要：
The sub-micron sized YAG∶Ce phosphors were synthesized via a modified sol-gel method by peptizing nano-pesudoboehmite particulate. It is found that YAG phase from the dried gel powders appears at 1000 ℃ then the pure YAG phase exists at a relatively lower sintering temperature of 1400 ℃. The smaller sizes of phosphors in the ranges of 1～3 μm are obtained due to the contribution of seeding effects of nano-sized alumina particles to strengthen each step of the processes. Both the excitation and emission spectra of photoluminescence of the phosphor obtained at 1400 ℃ meet well with the spectroscopic requirements of the WLED phosphors.
引用
收藏
页码：294 / 297
页数：4
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