Zinc manganese silicate containing metal particles luminescent materials and preparation methods thereof
First Claim
1. 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.
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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.
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8 Claims
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1. 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. - View Dependent Claims (2)
- Mnx;
-
3. 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. - View Dependent Claims (4, 5, 6, 7, 8)
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Specification