White light radiation glass for rare earth ion europium activating lamp and preparation method thereof
The technology of rare earth ions and alkaline earth metal ions is applied in the field of preparation of white light-emitting glass, and achieves the effects of eliminating powder coating process, high luminous brightness and reducing production cost.
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Embodiment 1
[0013] Each component of this glass composition is weighed by the following mole percentages:
[0014] CaO: 0.350; B 2 o 3 : 0.400;
[0015] NH 4 h 2 P 2 o 5 : 0.250; Eu 2 o 3 : 0.001.
[0016] CaCO will be accurately weighed according to the composition ratio 3 , B 2 o 3 , NH 4 h 2 P 2 o 5 、Eu 2 o 3 , Grinding and mixing, pass hydrogen into the furnace as a reducing atmosphere, and keep the temperature at 1500°C for 5.0h. After the glass is out of the furnace, it is shaped and annealed to obtain the final product.
Embodiment 2
[0018] Each component of this glass composition is weighed by the following mole percentages:
[0019] SrO: 0.450; B 2 o 3 : 0.250;
[0020] NH 4 h 2 P 2 o 5 : 0.300; Eu 2 o 3 : 0.010.
[0021] BaCO will be accurately weighed according to the composition ratio 3 , B 2 o 3 , NH 4 h 2 P 2 o 5 、Eu 2 o 3 , after grinding and mixing, put CO gas into the furnace as a reducing atmosphere, and keep the temperature at 1300°C for 3.0h. After the glass is out of the furnace, it is shaped and annealed to obtain the final product.
Embodiment 3
[0023] Each component of this glass composition is weighed by the following mole percentages:
[0024] BaO: 0.550; B 2 o 3 : 0.280;
[0025] NH 4 h 2 P 2 o 5 : 0.270; Eu 2 o 3 : 0.010.
[0026] BaCO will be accurately weighed according to the composition ratio 3 , B 2 o 3 , NH 4 h 2 P 2 o 5 、Eu 2 o 3 , After grinding and mixing, keep the temperature at 1100°C for 1.0h under air condition. After the glass is out of the furnace, it is shaped and annealed to obtain the final product.
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