| abstract |
Borate luminous material is provided, wherein, comprises the compound of following structural formula: M 2 (Re 1-x Ln x ) 2 B 2 O 7 , wherein x is in a range of 0<x≦0.5, M is alkali metal element, Ln is at least one of Tm, Tb, Eu, Sm, Pr, Dy, Ce and Bi, Re is selected from one or more element of Y, Gd, Sc, Lu and La. The preparation method of borate luminous material also is provided. The borate luminous material has the advantages of good stability, high luminescence efficiency and high color purity. |