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Hierarchical pore structure ceramic phosphor for white laser illumination and preparation method of hierarchical pore structure ceramic phosphor
The invention discloses a hierarchical pore structure ceramic phosphor for white laser illumination, and a preparation method thereof, wherein the chemical composition of the ceramic phosphor is (CexReyY1-x-y)3Al5O12, Re is one or more of Lu, Tb and Gd, x is more than or equal to 0.001 and less than or equal to 0.05, y is more than or equal to 0 and less than or equal to 0.5, primary pores and secondary pores are distributed in the ceramic phosphor, the primary pores are spherical pores, the pore diameter of the primary pores is less than or equal to 3 microns, the secondary pores are polyhedral pores, and the pore diameter of the secondary pores is less than or equal to 5 microns. According to the invention, the luminous flux is remarkably improved, and the light is well and uniformly emitted.
本发明公开白光激光照明用多级孔结构陶瓷荧光体及制备方法，所述陶瓷荧光体的化学组成为(CexReyY1‑x‑y)3Al5O12，其中，Re为Lu、Tb、Gd中的一种或多种，x、y的取值范围为：0.001≤x≤0.05，0≤y≤0.5；所述陶瓷荧光体的内部分布有一级孔和二级孔，所述一级孔为球形气孔，孔径≤3μm，所述二级孔为多面体气孔，孔径≤5μm。本发明的有益效果在于：具有显著提高的光通量和良好的均匀出光。
Hierarchical pore structure ceramic phosphor for white laser illumination and preparation method of hierarchical pore structure ceramic phosphor
The invention discloses a hierarchical pore structure ceramic phosphor for white laser illumination, and a preparation method thereof, wherein the chemical composition of the ceramic phosphor is (CexReyY1-x-y)3Al5O12, Re is one or more of Lu, Tb and Gd, x is more than or equal to 0.001 and less than or equal to 0.05, y is more than or equal to 0 and less than or equal to 0.5, primary pores and secondary pores are distributed in the ceramic phosphor, the primary pores are spherical pores, the pore diameter of the primary pores is less than or equal to 3 microns, the secondary pores are polyhedral pores, and the pore diameter of the secondary pores is less than or equal to 5 microns. According to the invention, the luminous flux is remarkably improved, and the light is well and uniformly emitted.
本发明公开白光激光照明用多级孔结构陶瓷荧光体及制备方法，所述陶瓷荧光体的化学组成为(CexReyY1‑x‑y)3Al5O12，其中，Re为Lu、Tb、Gd中的一种或多种，x、y的取值范围为：0.001≤x≤0.05，0≤y≤0.5；所述陶瓷荧光体的内部分布有一级孔和二级孔，所述一级孔为球形气孔，孔径≤3μm，所述二级孔为多面体气孔，孔径≤5μm。本发明的有益效果在于：具有显著提高的光通量和良好的均匀出光。
Hierarchical pore structure ceramic phosphor for white laser illumination and preparation method of hierarchical pore structure ceramic phosphor
白光激光照明用多级孔结构陶瓷荧光体及其制备方法
WANG HONG (author) / YE YONG (author) / ZHANG PANDE (author) / LI DONGSHENG (author) / ZENG QINGBING (author) / WANG SHENG (author) / LI CHUNHUI (author)
2021-06-25
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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