| 摘要 |
One silicon-aluminate light conversion fluorescence material co-activated with halogen for white-light LED, which features a general formula as R(3-a)M3N5CO17:Rea,Xb, where R is one or more selected from the oxide or hydroxide or oxalate or carbonate of La, Y, Lu, Gd, Tb, Nd, Ho elements, M is one or more selected from the carbonate, hydroxide, fluoride and or/chloride of Ca, Mg, Ba, Sr, Zn elements, C is the oxide of Si, Ge, N is one or more selected from the oxide or hydroxide or oxalate or carbonate or fluoride of B, Al, Ga and In elements, Re is the activator which is one or more selected from the oxide, hydroxide, oxalate or carbonate of Ce, Dy, Pr, Eu, Tm, Er, Sm, Yb, Sc, X is co-activator which is one or more selected from AlF3, CaF2, MgF2, BaF2, SrF2 and ZnCl2, as well as 0.001≦̸a≦̸0.5, 0.01≦̸b≦̸1.
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