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Preparation method of Al2O3-YAG: Ce complex-phase powder and complex-phase fluorescent ceramic
The invention provides a preparation method of Al2O3-YAG: Ce complex-phase powder and complex-phase fluorescent ceramic. The preparation method comprises the following steps: controlling Al < 3 + > in (Ce, Y) 3Al5O12 to be excessive to obtain an Al2O3-(Ce, Y) 3Al5O12 complex phase; the molar weights of Al < 3 + >, Ce < 3 + > and Y < 3 + > are calculated through the chemical formula of x wt.% Al2O3-(Y1-yCey) 3Al5O12, x is larger than or equal to 10 and smaller than or equal to 90, y is larger than or equal to 0.0005 and smaller than or equal to 0.05, and a mixed ion precipitation solution of Al < 3 + >, Ce < 3 + > and Y < 3 + > is obtained through a coprecipitation method; washing, drying, sieving and calcining the precipitation solution to obtain Al2O3-YAG: Ce complex phase powder; and preparing the multiphase powder into a ceramic biscuit, and performing vacuum sintering to obtain the multiphase fluorescent ceramic. According to the technical scheme, the nano powder with high purity and high component uniformity can be synthesized, and the yellow multiphase fluorescent ceramic material with high density and uniform phase distribution can be prepared.
本发明提供了一种Al2O3‑YAG:Ce复相粉体、复相荧光陶瓷的制备方法,控制(Ce,Y)3Al5O12中Al3+过量来获得Al2O3‑(Ce,Y)3Al5O12复合相;通过x wt.%Al2O3‑(Y1‑yCey)3Al5O12的化学式来计算Al3+、Ce3+、Y3+的摩尔量,其中10≤x≤90,0.0005≤y≤0.05,采用共沉淀的方法获得Al3+、Ce3+、Y3+混合离子沉淀液;沉淀液经洗涤、烘干、过筛、煅烧后,得到Al2O3‑YAG:Ce复相粉体;复相粉体制成陶瓷素坯后真空烧结,得到复相荧光陶瓷。本发明的技术方案能够合成出纯度高、组分均匀性高的纳米粉体,并能够制备出致密度高、相分布均匀的黄色复相荧光陶瓷材料。
Preparation method of Al2O3-YAG: Ce complex-phase powder and complex-phase fluorescent ceramic
The invention provides a preparation method of Al2O3-YAG: Ce complex-phase powder and complex-phase fluorescent ceramic. The preparation method comprises the following steps: controlling Al < 3 + > in (Ce, Y) 3Al5O12 to be excessive to obtain an Al2O3-(Ce, Y) 3Al5O12 complex phase; the molar weights of Al < 3 + >, Ce < 3 + > and Y < 3 + > are calculated through the chemical formula of x wt.% Al2O3-(Y1-yCey) 3Al5O12, x is larger than or equal to 10 and smaller than or equal to 90, y is larger than or equal to 0.0005 and smaller than or equal to 0.05, and a mixed ion precipitation solution of Al < 3 + >, Ce < 3 + > and Y < 3 + > is obtained through a coprecipitation method; washing, drying, sieving and calcining the precipitation solution to obtain Al2O3-YAG: Ce complex phase powder; and preparing the multiphase powder into a ceramic biscuit, and performing vacuum sintering to obtain the multiphase fluorescent ceramic. According to the technical scheme, the nano powder with high purity and high component uniformity can be synthesized, and the yellow multiphase fluorescent ceramic material with high density and uniform phase distribution can be prepared.
本发明提供了一种Al2O3‑YAG:Ce复相粉体、复相荧光陶瓷的制备方法,控制(Ce,Y)3Al5O12中Al3+过量来获得Al2O3‑(Ce,Y)3Al5O12复合相;通过x wt.%Al2O3‑(Y1‑yCey)3Al5O12的化学式来计算Al3+、Ce3+、Y3+的摩尔量,其中10≤x≤90,0.0005≤y≤0.05,采用共沉淀的方法获得Al3+、Ce3+、Y3+混合离子沉淀液;沉淀液经洗涤、烘干、过筛、煅烧后,得到Al2O3‑YAG:Ce复相粉体;复相粉体制成陶瓷素坯后真空烧结,得到复相荧光陶瓷。本发明的技术方案能够合成出纯度高、组分均匀性高的纳米粉体,并能够制备出致密度高、相分布均匀的黄色复相荧光陶瓷材料。
Preparation method of Al2O3-YAG: Ce complex-phase powder and complex-phase fluorescent ceramic
一种Al2O3-YAG:Ce复相粉体、复相荧光陶瓷的制备方法
LI JIANG (Autor:in) / WANG YANBIN (Autor:in) / HUANG XINYOU (Autor:in) / CHENG ZIQIU (Autor:in) / CHEN PENGHUI (Autor:in) / DAI ZHENGFA (Autor:in) / YUAN QIANG (Autor:in)
26.05.2023
Patent
Elektronische Ressource
Chinesisch
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