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：

Journal of Rare Earths | 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

页码：294 / 297

页数：4

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