US 9,115,309 B2 · Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof

Abstract

Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof are provided. The said luminescent materials are a blend of metal M nanoparticles and Zn2-xSiO4:Mnx, wherein M is one of Ag, Au and Pt, 0.001≦x≦0.1, 0.00001≦y≦0.01, y is the molar ratio of M to Zn2-xSiO4:Mnx. The said methods include the following steps: step 1, preparing silica aerogel containing metal particles; step 2, weighing source compound of zinc, source compound of manganese and the silica aerogel in step 1 at stoichiometric ratio and mixing them to form mixture; step 3, sintering the mixture in step 2, then cooling and grinding to form the said luminescent materials with higher luminescent intensity. The said methods have simple steps, easy operation, low sintering temperature and low cost.

Claims8

Dependent claims

Green luminescent materials of zinc silicate doped with manganese ions containing metal particles, wherein said green luminescent materials are a blend of metal M nanoparticles and Zn2-xSiO4:Mnx;

wherein M is one of Ag, Au and Pt, 0.001≦x≦0.1, 0.00001≦y≦0.01, y is the molar ratio of M to Zn2-xSiO4:Mnx.

Preparation method of green luminescent materials of zinc silicate doped with manganese ions containing metal particles, comprising:

step 1:
preparing silica aerogel containing metal particles;
step 2:
selecting source compound of zinc, source compound of manganese and silica aerogel containing metal particles obtained in step 1 according to stoichiometric ratios, mixing to form mixture, said stoichiometric ratios of the source compounds are according to the molar ratio of corresponding elements in a blend of metal M nanoparticles and Zn2-xSiO4:Mnx, where M is one of Ag, Au and Pt, x is in a range of 0.001≦x≦0.1, y is in a range of 0.00001≦y≦0.01, y is the molar ratio of M to Zn2-xSiO4:Mnx;
step 3:
sintering the mixture obtained in step 2 at constant temperature, cooling and grinding to obtain said green luminescent materials of zinc silicate doped with manganese ions containing metal particles.

3 more elements

Dependencies are inferred from the claim text.

Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof

Life of this patent

Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof

Life of this patent

Abstract

Claims8