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    • 7. 发明授权
    • Borosilicate luminescent material and preparing method thereof
    • 硼硅酸盐发光材料及其制备方法
    • US08980132B2
    • 2015-03-17
    • US13574545
    • 2010-02-12
    • Mingjie ZhouQingtao LiWenbo Ma
    • Mingjie ZhouQingtao LiWenbo Ma
    • C09K11/80C09K11/70C09K11/81C09K11/77H01L33/00H01L33/50
    • C09K11/7774C09K11/7777C09K11/778H01L33/50
    • Provided are a luminescent material and a preparing method thereof. The borosilicate luminescent material has a chemical formula of aM2O.bLn2O3.cAl2O3.dR2O3.eSiO2.fCeO2.gTb2O3 or aMO.bLn2O3.cAl2O3.dR2O3.eSiO2.fCeO2.gTb2O3, wherein M is alkaline earth metal or alkali metal, Ln is one or two elements selected from the group consisting of elements Y and Gd; R is one or two elements selected from the group consisting of elements B and P; a, b, c, d, e, f, and g are molar fractions, and 6≦a≦20, 3≦b≦12, 20≦c≦30, 32≦d≦45, 0≦e≦12, 0.01≦f≦1, and 0.05≦g≦1.5. The preparing methods comprises the following steps: 1) selecting source compounds of above elements; 2) mixing and grinding the source compounds to obtain a mixture; 3) presintering the mixture, then grinding the mixture; 4) sintering under reducing atmosphere, and cooling, thereby obtaining the luminescent material.
    • 提供发光材料及其制备方法。 硼硅酸盐发光材料具有化学式aM2O.bLn2O3.cAl2O3.dR2O3.eSiO2.fCeO2.gTb2O3或aMo.bLn2O3.cAl2O3.dR2O3.eSiO2.fCeO2.gTb2O3,其中M为碱土金属或碱金属,Ln为一 或选自由元素Y和Gd组成的组中的两种元素; R是选自元素B和P的一种或两种元素; a,b,c,d,e,f和g是摩尔分数,6和nlE; a≦̸ 20,3和nlE; b≦̸ 12,20和nlE; c≦̸ 30,32和nEE; d& ≦̸ f≦̸ 1和0.05≦̸ g≦̸ 1.5。 制备方法包括以下步骤:1)选择上述元素的源化合物; 2)混合和研磨源化合物以获得混合物; 3)预烧结混合物,然后研磨混合物; 4)在还原气氛下烧结,冷却,得到发光材料。