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Thulium/ytterbium co-doped phosphate up-conversion luminescent glass as well as preparation method and application thereof

A luminescent glass and phosphate technology, applied in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of unstable chemical properties of fluoride glass, expensive raw materials, harsh preparation conditions, etc., and achieve low cost and high production efficiency. The method is simple and the effect is good

Inactive Publication Date: 2020-05-19
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Studies have shown that the existing up-conversion glasses are mainly low phonon energy glasses such as fluoride, germanate and tellurate. Among them, the chemical properties of fluoride glass are unstable, the mechanical strength is poor, and the preparation conditions are harsh, while germanate and tellurate Salt glass raw materials are expensive

Method used

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  • Thulium/ytterbium co-doped phosphate up-conversion luminescent glass as well as preparation method and application thereof
  • Thulium/ytterbium co-doped phosphate up-conversion luminescent glass as well as preparation method and application thereof
  • Thulium/ytterbium co-doped phosphate up-conversion luminescent glass as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The thulium-ytterbium co-doped phosphate up-conversion luminescent glass prepared in this embodiment is composed of P 2 o 5 -Al 2 o 3 -BaO-Na 2 O-ZnO-Yb 2 o 3 -Tm 2 o 3 , the molar percentages of each raw material are: 60%P 2 o 5 , 10%Al 2 o 3 , 12% BaO, 5% Na 2 O, 10% ZnO, 2.5% Yb 2 o 3 , 0.5%Tm 2 o 3 .

[0028] 1. Weigh each raw material separately, pour it into an agate mortar, grind and stir to make it fully mixed evenly, and transfer the evenly ground batch material into an alumina crucible. Melt in a high-temperature box-type resistance furnace at 1450°C for 2 hours, and then pour the glass melt on a smooth copper plate preheated to 300°C to form a glass block.

[0029] 2. Immediately move the glass block into a muffle furnace at 480°C for annealing for 3 hours, then cool down to room temperature with the furnace, take it out, cut and polish it into a regular shape, and obtain a smooth and transparent thulium-ytterbium co-doped phosphate up-conver...

Embodiment 2

[0032] The thulium-ytterbium co-doped phosphate up-conversion luminescent glass prepared in this embodiment is composed of P 2 o 5 -TeO 2 -WO 3 -Al 2 o 3 -BaO-Na 2 O-ZnO-Yb 2 o 3 -Tm 2 o 3 , the molar percentages of each raw material are: 50%P 2 o 5 , 5% TeO 2 , 5% WO 3 , 10% Al 2 o 3 , 12% BaO, 5% Na 2 O, 10% ZnO, 2.5% Yb 2 o 3 , 0.5%Tm 2 o 3 .

[0033] 1. Weigh each raw material separately, pour it into an agate mortar, grind and stir to make it fully mixed evenly, and transfer the evenly ground batch material into an alumina crucible. Melt in a high-temperature box-type resistance furnace at 1400°C for 2 hours, and then pour the glass melt on a smooth copper plate preheated to 300°C to form a glass block.

[0034] 2. Immediately move the glass block into a muffle furnace at 450°C for annealing for 4 hours, then cool down to room temperature with the furnace, take it out, cut and polish it into a regular shape, and obtain a smooth and transparent thulium-y...

Embodiment 3

[0037] The thulium-ytterbium co-doped phosphate up-conversion luminescent glass prepared in this embodiment is composed of P 2 o 5 -B 2 o 3 -Al 2 o 3 -BaO-Na 2 O-ZnO-Yb 2 o 3 -Tm 2 o 3 , the molar percentages of each raw material are: 50%P 2 o 5 , 10% B 2 o 3 , 10% Al 2 o 3 , 12% BaO, 5% Na 2 O, 10% ZnO, 2.5% Yb 2 o 3 , 0.5%Tm 2 o 3 .

[0038] 1. Weigh each raw material separately, pour it into an agate mortar, grind and stir to make it fully mixed evenly, and transfer the evenly ground batch material into an alumina crucible. Melt in a high-temperature box-type resistance furnace at 1500°C for 2 hours, and then pour the glass melt on a smooth copper plate preheated to 300°C to form a glass block.

[0039] 2. Immediately move the glass block into a muffle furnace at 480°C for annealing for 4 hours, then cool down to room temperature with the furnace, take it out, cut and polish it into a regular shape, and obtain a smooth and transparent thulium-ytterbium ...

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Abstract

The invention belongs to the technical field of up-conversion luminescent glass. The invention discloses thulium / ytterbium co-doped phosphate up-conversion luminescent glass which comprises the following components P2O5, Al2O3, BaO, Na2O, ZnO, Yb2O3, Tm2O3, and glass network skeleton regulator according to the following ratio by molar percentage: 50-60% of P2O5, 10% of Al2O3, 12% of BaO, 5% of Na2O, 10% of ZnO, 1-3% of Yb2O3, 0.2-0.8% of Tm2O3, and 1.8-10% of the glass network skeleton regulator. The method is simple, the raw material cost is low, and the required equipment is simple. The phosphate up-conversion luminescent glass provided by the invention has the advantages of good permeability, high mechanical strength and up-conversion wavelength of about 800 nm, and has important application prospects in the optoelectronic fields of near-infrared imaging, laser, detection and the like.

Description

technical field [0001] The invention belongs to the technical field of up-conversion luminescent glass, and more specifically relates to a thulium-ytterbium co-doped phosphate up-conversion luminescent glass and its preparation method and application. Background technique [0002] Up-conversion luminescent materials refer to materials that absorb low-energy photons and then emit high-energy photons. Its unique spectral conversion function has great application potential in many fields such as solid-state lasers, information storage, sensing, biological imaging, lighting sources, and three-dimensional displays. Research hotspots at home and abroad. Among the widely reported up-conversion luminescent materials, inorganic materials based on crystals, glass, and glass-ceramics are dominant. Among them, up-conversion luminescent crystal materials mainly refer to phosphor polycrystalline materials and single crystal materials. The luminous intensity and quantum efficiency are gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C4/12C03C3/17C03B19/02C03B25/02
CPCC03B19/02C03B25/02C03B2201/70C03C3/17C03C4/12
Inventor 张芳腾韦丽娟赵新捷林中乔张家骅聂兆刚
Owner GUANGDONG UNIV OF TECH