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High-silica blue luminescent glass and preparation method thereof

A technology of luminescent glass and high silica, which is applied to the preparation of high silica blue luminescent glass and the field of high silica blue luminescent glass. To solve problems such as chemistry, to achieve the effects of high luminous efficiency, good chemical stability, and small thermal expansion coefficient

Inactive Publication Date: 2014-07-23
OCEANS KING LIGHTING SCI&TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the doping concentration of rare earth ions in quartz glass is not high, and spontaneous clusters are prone to produce concentration quenching effects, which is not conducive to the miniaturization of devices, and greatly limits the application of quartz glass.

Method used

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  • High-silica blue luminescent glass and preparation method thereof
  • High-silica blue luminescent glass and preparation method thereof
  • High-silica blue luminescent glass and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Weigh 0.099mol of yttrium nitrate hexahydrate (Y(NO 3 ) 3 ·6H 2 O), 0.1mol vanadyl sulfate (VOSO 4 ) and 0.001mol of thulium nitrate hexahydrate (Tm(NO 3 ) 3 )·6H 2 O was dissolved in 100ml of distilled water and prepared to contain 0.99mol / L Y 3+ , 1mol / L vanadium ion and 0.01mol / L Tm 3+ soaking solution. High silica nanoporous glass (94.0% SiO 2 , 3.0% B 2 o 3 , 3.0% Al 2 o 3and the microporous volume accounts for 25% of the total volume of the high-silica nano-microporous glass) soaked in the soaking solution for 10 minutes and then taken out, aired at room temperature until the surface is dry and put into the high-temperature furnace, the heating process of the high-temperature furnace is: first Raise to 400°C at a speed of 10°C / min, then to 900°C at a speed of 15°C / min, and then to 1300°C at a speed of 5°C / min, heat-preserve and sinter the soaked microporous glass at 1300°C for 2 hours, The glass is cooled to room temperature with the furnace and taken...

Embodiment 2

[0033] Weigh 0.1mol of yttrium nitrate hexahydrate (Y(NO 3 ) 3 ·6H 2 O), weigh 0.09mol of gadolinium nitrate hexahydrate (Gd(NO 3 ) 3 ·6H 2 O), 0.2mol vanadyl sulfate (VOSO 4 ) and 0.01mol of thulium nitrate hexahydrate (Tm(NO 3 ) 3 )·6H 2 O was dissolved in 100ml of distilled water and prepared to contain 1mol / L Y 3+ , 0.9mol / L Gd 3+ , 2mol / L vanadium ions and 0.1mol / L Tm 3+ soaking solution. High silica nanoporous glass (96.0% SiO 2 , 3.0% B 2 o 3 , 1.0% Al 2 o 3 and the volume of micropores accounts for 30% of the total volume of the high-silica nano-microporous glass) soaked in the soaking solution for 4h and then taken out, aired at room temperature until the surface is dry and then placed in a high-temperature furnace, the heating process of the high-temperature furnace is: first Rise to 400°C at a speed of 10°C / min, then to 900°C at a speed of 15°C / min, and then to 1150°C at a speed of 5°C / min, heat-preserve and sinter the soaked microporous glass at 115...

Embodiment 3

[0035] Weigh 0.09999mol of lanthanum nitrate hexahydrate (La(NO 3 ) 3 ·6H 2 O), 0.1mol of ammonium metavanadate (NH 4 VO 3 ) and 10 -5 mol of thulium nitrate hexahydrate (Tm(NO 3 ) 3 )·6H 2 O was dissolved in 1000ml of distilled water and prepared to contain 0.09999mol / L La 3+ , 0.1mol / L vanadium ions and 10 -5 mol / L Tm 3+ soaking solution. High silica nanoporous glass (98.0% SiO 2 , 1.0% B 2 o 3 , 1.0% Al 2 o 3 and the micropore volume accounts for 35% of the total volume of the high-silica nano-microporous glass) soaked in the soaking solution for 30min and then taken out, aired at room temperature until the surface is dry and put into the high-temperature furnace, the heating process of the high-temperature furnace is: first Rise to 400°C at a speed of 10°C / min, then to 900°C at a speed of 15°C / min, and then to 1200°C at a speed of 5°C / min, heat-preserve and sinter the soaked microporous glass at 1200°C for 4 hours, The glass is cooled to room temperature wi...

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Abstract

The invention belongs to the field of a luminescent material and discloses high-silica blue luminescent glass and a preparation method thereof. The high-silica blue luminescent glass comprises a high-silica nano micropore glass substrate and Re[1-x]TmxVO4 nano luminescent minicrystals which are uniformly distributed in the micropores of the high-silica nano micropore glass substrate, wherein Re is at least one of Y, La and Gd, and x ranges from 1*10<-4> to 0.05. According to the invention, the high-silica nano micropore glass is used as a luminescent ion substrate, and the Re[1-x]TmxVO4 nano luminescent minicrystals are distributed in the micropores of the luminescent ion substrate; and the high-silica nano micropore glass substrate has good ultraviolet light permeable property, which is extremely beneficial to absorption of luminescent particles on excitation wavelengths, thereby improving the luminescence efficiency.

Description

technical field [0001] The invention relates to the field of photoelectric materials, in particular to a high-silica blue luminescent glass. The invention also relates to a preparation method of the high-silica blue luminescent glass. Background technique [0002] With the continuous application of rare earth ion-doped luminescent materials in the fields of lighting, display, laser and light amplification, and information, it is found that rare earth ion-doped nano-luminescent particles can produce more excellent luminescent properties in composite materials, but traditional It is difficult to prepare nano-sized luminescent particles by the solid-state sintering method. Although some new preparation methods at present, such as hydrothermal synthesis method, sol-gel method, etc., can obtain luminescent particles with better dispersion. However, with the development of high-brightness lighting equipment, high-power laser and display technology, the chemical stability, mechan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C11/00C03C4/12
Inventor 周明杰马文波廖秋荣
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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