WO2010133025A1 - 稀土离子掺杂的硅酸盐发光玻璃及其制备方法 - Google Patents
稀土离子掺杂的硅酸盐发光玻璃及其制备方法 Download PDFInfo
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- WO2010133025A1 WO2010133025A1 PCT/CN2009/071852 CN2009071852W WO2010133025A1 WO 2010133025 A1 WO2010133025 A1 WO 2010133025A1 CN 2009071852 W CN2009071852 W CN 2009071852W WO 2010133025 A1 WO2010133025 A1 WO 2010133025A1
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- rare earth
- earth ion
- doped silicate
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
Definitions
- the invention belongs to the technical field of luminescent materials, and relates to a luminescent glass and a preparation method thereof, in particular to a rare earth ion doped silicate luminescent glass and a preparation method thereof. Background technique
- LED semiconductor lighting technology
- gallium nitride as a semiconductor illumination source, it consumes only 1/10 of the power of ordinary incandescent lamps at the same brightness, and its lifetime can reach more than 100,000 hours.
- LEDs have many advantages such as energy saving, environmental protection, and flexible application. They can be widely used in various fields such as indication, display, decoration, backlight and general illumination, which will lead to a revolution in the field of lighting.
- the light source device fabricated by this method has the following defects: (1) The epoxy resin used for packaging is easy to age, and the life of the device is reduced; (2) The process is complicated and the cost is high; (3) The color coordinate is unstable, white light is easy Drift and so on. Summary of the invention
- the technical problem to be solved by the present invention is that the life of the epoxy resin which is used for encapsulating the luminescent phosphor in the prior art is aging, the device life is reduced, the packaging process is complicated, and the cost is relatively high. High; color coordinates are unstable, white light is easy to drift and other defects, providing a rare earth ion doped silicate luminescent glass with good stability, good uniformity, high transmittance and good luminescence performance.
- a further technical problem to be solved by the present invention is to provide a method for preparing a rare earth ion doped silicate luminescent glass which is simple in process and low in cost.
- a rare earth ion doped silicate luminescent glass which is a substance of the following structure: aM 2 ObM' 2 0 cSiC ⁇ dRE 2 0 3 , wherein M is Na At least one of K, Li; M' is at least one of Y, Gd, La, Sc, Lu; RE is Ce, Tm, Tb, Ho, Dy, Er, Nd, Sm, Eu, Pr At least one of a; b, c, and d are mole fractions, and their values are: a is 25-50, b is 0-40, c is 30-70, and d is 0.001-20.
- a, b, c, and d are preferably 30 to 45, b is 5 to 30, c is 30 to 60, and d is 0.1 to 20.
- a method for preparing a rare earth ion doped silicate luminescent glass comprising components A, B, C, and D as raw materials; wherein component A is at least one of carbonates of Na, K, and Li, component 8 Is at least one of oxides, oxalates or carbonates of ⁇ , Gd, La, Sc, Lu, component C is Si0 2 , and component D is Ce, Tm, Tb, Ho, Dy, Er, At least one of an oxide, an oxalate or a carbonate of Nd, Sm, Eu, Pr; grinding and mixing the raw material uniformly, heating to 1200 ⁇ 1650 ° C for 0.5 ⁇ 5 h, melting the glass frit After cooling to room temperature, the temperature is raised to 600 ⁇ 1100 °C for 0.5 ⁇ 24 h, and the obtained product is cooled to room temperature to obtain a rare earth ion doped silicate luminescent glass.
- the raw material is placed in a mortar and uniformly mixed, placed in a crucible, and melted at 1300 to 1600 ° C for 1 to 3 h, and melted.
- the molten glass frit is poured out to room temperature and placed in a tube furnace or a low temperature annealing furnace.
- the obtained product is cooled to room temperature to form a silicate luminescent glass doped with rare earth ions.
- the ratio between the various raw materials is a substance having the following structure: aM 2 0-bM' 2 0 3 -cSi0 2 -dRE 2 0 3
- M is at least one of Na, K, and Li
- ⁇ !' is at least one of ⁇ , Gd, La, Sc, and Lu
- RE is Ce, Tm, At least one of Tb, Ho, Dy, Er, Nd, Sm, Eu, Pr
- a, b, c, d are mole fractions, and their values are: a is 25 ⁇ 50, b is 0 ⁇ 40, c is 30 ⁇ 70, and d is 0.001 ⁇ 20.
- the values of a, b, c, and d are preferably 30 to 45, b is 5 to 30, and c is 30 to 60, d is 0. 1 ⁇ 20.
- the purity of the oxides, oxalates, carbonates and other raw materials of the components B and D is not lower than that of the analytical grade.
- component D is preferably at least one of an oxide, an oxalate or a carbonate of Tm, Tb, Dy, Sm, Eu.
- the invention adopts the special rare earth ions added into the silicate glass to form a novel luminescent glass.
- the luminescent glass of the invention has significant advantages under the excitation of blue-violet light: (1) has good (2) Good chemical stability and thermal stability; (3) Simple preparation process and low cost; (4) Easy to make large blocks and different shapes; (5) Can replace epoxy resin, due to these Features, high-performance luminescent glass is very suitable as a luminescent medium material in the field of LED lighting.
- the preparation method of the invention has simple process and low cost, and selects special rare earth ion doping Miscellaneous, solved the problem that the luminescent glass is limited by the preparation conditions of the glass and the glass structure, so that many luminescent active ions have weak luminescence intensity in the glass, and even do not emit light.
- Figure 1 is an emission spectrum of the luminescent glass prepared in Example 1 at 359 nm excitation.
- Fig. 2 is an emission spectrum of the luminescent glass prepared in Example 9 under excitation at 378 nm.
- Fig. 3 is an emission spectrum of the luminescent glass prepared in Example 10 under excitation at 395 nm.
- Figure 4 is an emission spectrum of the luminescent glass prepared in Example 12 under excitation at 350 nm.
- Fig. 5 is an emission spectrum of the luminescent glass prepared in Example 16 under excitation at 404 nm.
- Figure 6 is an emission spectrum of the luminescent glass prepared in Example 17 under excitation at 378 nm.
- Figure 7 is an emission spectrum of the luminescent glass prepared in Example 20 at 353 nm excitation.
- the emission spectrum of the sample was measured using a Shimadzu RF-5301 fluorescence spectrometer. detailed description
- Example 1 Analytically pure Na 2 C0 3 , SiO 2 and 99.99% of Y 2 O 3 and Tm 2 0 3 were used as main raw materials, and Na 2 C0 3 10.24 g, Y 2 0 3 7.13 g, Si0 2 11.62 g were weighed.
- Tm 2 0 3 0.24 g after mixing uniformly, melting at 1400 °C for 2 h, pouring the glass frit to room temperature, and then heating in a low-temperature annealing furnace air atmosphere to 700 °0 for 5 h, forming 30Na 2 O- 9.8 ⁇ 2 0 3 ⁇ 60 SiO 2 - 0.2 Tm 2 O 3 (wherein the coefficient of the front side of each component is mol parts, the same applies hereinafter).
- the emission spectrum of the luminescent glass produced in this example was excited by ultraviolet light at 359 nm; the luminescent glass prepared in this example was excited to emit 455 nm of blue light under excitation of 359 nm.
- Example 2 Using analytically pure Li 2 C0 3 , Si0 2 and 99.99% of Y 2 O 3 and Tm 2 0 3 as main raw materials, weighed Li 2 C0 3 8.15 g, Y 2 0 3 8.14 g, Si0 2 13.27 g Tm 2 0 3 0.28 g, after mixing uniformly, melt at 1350 °C for 2 h, pour the glass frit to cool to room temperature, then place it in a low-temperature annealing furnace air atmosphere and heat up to 600 °0 for 8 h, and obtain 30 Li 2 by molding. O-9.8 ⁇ 2 0 3 ⁇ 60 SiO 2 - 0.2 Tm 2 O 3 Glass emitting blue light.
- Example 3 Using analytically pure K 2 C0 3 , Si0 2 and 99.99% of Y 2 O 3 and Tm 2 0 3 as main raw materials, K 2 C0 3 11.88 g, Y 2 0 3 6.34 g, Si0 2 10.33 g were weighed. Tm 2 0 3 0.22 g, after mixing uniformly, melt at 1450 °C for 2 h, pour the glass frit to cool to room temperature, then place it in a low-temperature annealing furnace air atmosphere and heat up to 800 °0 for 4 h, and obtain 30 ⁇ 2 ⁇ 9.8 ⁇ 2 0 3 ⁇ 60SiO 2 - 0.2Tm 2 O 3 Glass emitting blue light.
- Example 4 analytically pure K 2 C0 3 , Si0 2 and 99.99% of Lu 2 O 3 and Tm 2 0 3 were used as main raw materials, and K 2 C0 3 9.95 g, Lu 2 0 3 9.36 g, and Si0 2 8.65 g were weighed. Tm 2 0 3 0.18 g, after mixing uniformly, melt at 1500 °C for 1 h, pour the glass frit to room temperature, then place it in a low-temperature annealing furnace air atmosphere and heat up to 1100 °0 for 0.5 h. 30 ⁇ 2 ⁇ 9.8Lu 2 0 3 - 60SiO 2 - 0.2Tm 2 O 3 Glass emitting blue light.
- Example 5 Using analytically pure Li 2 C0 3 , Si0 2 and 99.99% of Gd 2 O 3 and Tm 2 0 3 as main raw materials, weighed Li 2 C0 3 6.81 g, Gd 2 0 3 10.92 g, Si0 2 11.08 g Tm 2 0 3 0.23 g, after mixing uniformly, melting at 1400 °C for 2 h, pouring the glass frit to room temperature, and then heating in a low-temperature annealing furnace air atmosphere to 650 °0 for 15 h, and forming 30Li 2 O-9.8 Gd 2 0 3 - 60 SiO 2 - 0.2 Tm 2 O 3 Glass emitting blue light.
- Example 6 Using analytically pure Na 2 C0 3 , SiO 2 and 99.99% of La 2 O 3 and Tm 2 0 3 as main raw materials, Na 2 C0 3 9.09 g, La 2 0 3 9.13 g, Si0 2 10.31 g were weighed. Tm 2 0 3 0.22 g, after mixing uniformly, melting at 1400 °C for 2 h, pouring the glass frit to room temperature, then placing it in a low-temperature annealing furnace air atmosphere and heating to 700 °0 for 5 h, forming 30Na 2 O-9.8 La 2 0 3 - 60 SiO 2 - 0.2 Tm 2 O 3 Glass emitting blue light.
- Example 7 uses analytically pure Na 2 CO 3 , SiO 2 , and 99.99% of Sc 2 O 3 and Tm 2 0 3 as main raw materials, and weighs Na 2 C0 3 11.52 g, Sc 2 0 3 4.9 g, and Si0 2 13.07 g. Tm 2 0 3 0.27 g, after mixing uniformly, melting at 1450 °C for 2 h, pouring the glass frit to room temperature, and then heating in a low-temperature annealing furnace air atmosphere to 700 °0 for 5 h, forming 30Na 2 O-9.8 Sc 2 0 3 - 60 SiO 2 - 0.2 Tm 2 O 3 Glass emitting blue light.
- Example 8 Analytically pure Na 2 C0 3 , SiO 2 and 99.99% of Y 2 O 3 and Ce0 2 were used as main raw materials, and Na 2 C0 3 10.22 g, Y 2 0 3 6.89 g, Si0 2 11.59 g, Ce0 were weighed. 2 0.55 g, mix well and melt at 1450 °C for 5h. Pour the glass frit to room temperature and then heat it to 750 V in a reducing atmosphere of a tube furnace with 95% N 2 + 5% 3 ⁇ 4 (volume percent, the same below). Annealing and annealing for 15 h, 30 N 2 O 9.5 ⁇ 2 0 3 ⁇ 60 SiO 2 - 0.5 Ce 2 O 3 luminescent glass was obtained by molding.
- Example 9 Analytically pure Na 2 C0 3 , Si0 2 and 99.99% Y 2 O 3 , Tb 4 0 7
- the main raw material weighed Na 2 C0 3 9.59 g, Y 2 0 3 4.08 g, Si0 2 10.88 g, Tb 4 0 7 4.51 g, and after mixing uniformly, melted at 1400 ° C for 2 h, and the glass frit was poured out and cooled to After room temperature, it was placed in a 95% N 2 + 5% 3 ⁇ 4 (volume percent) reducing atmosphere of a tube furnace and heated to 700 ° C for 5 h. The pellet was aged to 30 Na 2 O 6 ⁇ 2 0 3 ⁇ 60 SiO 2 - 4Tb 2 0 3 emission.
- Green glass As shown in Fig. 2, it is the emission spectrum of the luminescent glass produced in this example excited by 378 nm ultraviolet light; the figure shows that the luminescent glass prepared in this example emits 544 nm of green light under excitation of 378 nm.
- Example 10 using analytically pure Na 2 CO 3 , SiO 2 , and 99.99% of Y 2 O 3 and Eu 2 0 3 as main raw materials, Na 2 C0 3 9.81 g, Y 2 0 3 4.87 g, and Si0 2 11.12 g were weighed. , Eu 2 0 3 3.25 g, after mixing and melting at 1400 °C for 2 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 700 °0 for 5 h, and formed to obtain 30Na 2 O- 7 ⁇ 2 0 3 ⁇ 60SiO 2 - 3Eu 2 0 3 Green-emitting glass. As shown in Fig. 3, it is the emission spectrum of the luminescent glass produced in this example at 395 nm violet light; the figure shows that the luminescent glass prepared in this example emits 612 nm red light under excitation at 395 nm.
- Example 11 Analytically pure Na 2 C0 3 , SiO 2 and 99.99% of Y 2 O 3 and ⁇ 2 0 3 were used as main raw materials, and Na 2 C0 3 10.25 g, Y 2 0 3 7.13 g, Si0 2 11.62 g were weighed. , Ho 2 0 3 0.24 g, after mixing and melting at 1400 °C for 2 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 600 °0 for 24 h, and formed to obtain 30Na 2 O- 9.8 ⁇ 2 0 3 ⁇ 60 SiO 2 - 0.2Ho 2 O 3 A green glass glass.
- Example 12 Using analytically pure Na 2 CO 3 , SiO 2 and 99.99% of Y 2 O 3 and Dy 2 0 3 as main raw materials, Na 2 C0 3 10.24 g, Y 2 0 3 7.13 g, Si0 2 11.62 g were weighed. , Dy 2 0 3 0.24 g, after mixing, melt at 1400 °C for 2 h, pour the glass frit and cool to room temperature. The glass was heated in an air atmosphere of a low-temperature annealing furnace to a temperature of 700 ° 0 for 5 h, and formed into a glass of 30 Na 2 O 9.8Y 2 O 3 - 60 SiO 2 - 0.2 Dy 2 O 3 to emit white light. As shown in FIG.
- Example 13 Analytically pure Na 2 C0 3 , SiO 2 and 99.99% of Y 2 O 3 and Er 2 0 3 were used as main raw materials, and Na 2 C0 3 10.24 g, Y 2 0 3 7.13 g, Si0 2 11.62 g were weighed. , Er 2 0 3 0.24 g, after mixing and melting at 1400 °C for 2 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 700 °0 for 5 h, and formed to obtain 30Na 2 O- 9.8 ⁇ 2 0 3 ⁇ 60 SiO 2 - 0.2Er 2 O 3 emits green glass.
- Example 14 Analytically pure Na 2 CO 3 , SiO 2 and 99.99% of Y 2 O 3 and Nd 2 0 3 were used as main raw materials, and Na 2 C0 3 10.25 g, Y 2 0 3 7.14 g, Si0 2 11.63 g were weighed. , Nd 2 0 3 0.21 g, after mixing and melting at 1400 °C for 2 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 700 °0 for 5 h, and formed to obtain 30Na 2 O- 9.8 ⁇ 2 0 3 ⁇ 60 SiO 2 - 0.2 Nd 2 O 3 A glass that emits yellow-green light.
- Example 15 Analytically pure Na 2 C0 3 , SiO 2 and 99.99% of Y 2 O 3 and Pr 6 O n were used as main raw materials, and Na 2 C0 3 10.26 g, Y 2 0 3 7.14 g, Si0 2 11.63 g were weighed. Pr 6 O n 0.21 g, after mixing and melting at 1400 °C for 2 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 700 °0 for 5 h, and formed to obtain 30Na 2 O-9.8 ⁇ 2 0 3 ⁇ 60SiO 2 - 0.2Pr 2 O 3 A red-emitting glass.
- Example 16 Analytically pure Na 2 C0 3 , SiO 2 and 99.99% of Y 2 O 3 and Sm 2 0 3 were used as main raw materials, and Na 2 C0 3 10.25 g, Y 2 0 3 7.14 g, Si0 2 11.63 g were weighed. , Sm 2 0 3 0.22 g, after mixing uniformly, melting at 1400 °C for 2 h, pouring the glass frit to room temperature, and then heating in a low-temperature annealing furnace air atmosphere to 700 °0 for 5 h, and forming 30Na 2 O- 9.8 ⁇ 2 0 3 ⁇ 60SiO 2 - 0.2Sm 2 O 3 A red-emitting glass. As shown in Fig.
- Example 17 using analytically pure Na 2 CO 3 , SiO 2 , and 99.99% of Y 2 O 3 and Tb 4 0 7 as main raw materials, and weighed Na 2 C0 3 9.28 g, Y 2 0 3 2.63 g, and Si0 2 10.52 g. Tb 4 0 7 6.54 g, after mixing uniformly, melting at 1400 °C for 2 h, pouring the glass frit to room temperature, and then placing it in a 95% N 2 + 5% 3 ⁇ 4 reducing atmosphere in a tube furnace to raise the temperature to 700. , molding 30Q 2 O— 4 ⁇ 2 0 3 ⁇ 60SiO 2 - 6Tb 2 0 3 to emit green glass. As shown in Fig. 6, the luminescent glass produced in this example was excited by 378 nm ultraviolet light; the figure shows that the luminescent glass prepared in this example emitted 544 nm of green light under excitation of 378 nm.
- Example 18 Using analytically pure Na 2 CO 3 , SiO 2 , and 99.99% of Y 2 O 3 and Eu 2 0 3 as main raw materials, Na 2 C0 3 6.11 g, Y 2 0 3 10.42 g, and Si0 2 6.93 g were weighed. , Eu 2 (C 2 0 4 ) 3 6.55 g, after mixing and melting at 1500 °C for 1 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 800 °0 for 5 h. Molding 25Na 2 0-20 ⁇ 2 ⁇ 3 ⁇ 50SiO 2 - 5 Eu 2 0 3 to emit red light.
- Example 19 analytically pure Na 2 CO 3 , SiO 2 , and 99.99% of Y 2 O 3 and Eu 2 0 3 were used as main raw materials, and Na 2 C0 3 12.53 g, Y 2 (C0 3 ) 3 5.68 g, Si0 were weighed. 2 11.39 g, Eu 2 (C0 3 ) 3 3.68 g, after mixing and melting at 1400 °C for 2 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 700 °0 for 5 h. , formed by molding 35.7Na 2 0-4.8Y 2 0 3 -57.2Si0 2 -2.3Eu 2 0 3 Glass emitting red light.
- Example 20 Analytically pure Na 2 CO 3 , SiO 2 , and 99.99% of Y 2 O 3 , Tm 2 O 3 , and Dy 2 0 3 were used as main raw materials, and Na 2 C0 3 10.22 g, Y 2 0 3 7.04 g was weighed.
- FIG. 7 it is an emission spectrum of the luminescent glass produced by the present embodiment excited by 353 nm ultraviolet light; the figure shows that the luminescent glass prepared by the present embodiment emits light of 460 nm, 490 nm, and 578 nm under the excitation of 353 nm, and is composited. White light.
- Example 21 analytically pure Na 2 C0 3 , K 2 C0 3 , Li 2 C0 3 , Si0 2 and 99.99% of Y 2 O 3 , Gd 2 0 3 , and Tb 4 0 7 were used as main raw materials, and Na 2 C0 was weighed.
- Example 22 analytically pure Na 2 CO 3 , SiO 2 and 99.99% of Gd 2 0 3 and Pr 2 (C 2 0 4 ) 3 were used as main raw materials, and Na 2 C0 3 6.72 g, Gd 2 0 3 17.23 g was weighed. Si0 2 6.67 g, Pr 2 (C 2 0 4 ) 3 O.Olg, after mixing uniformly, melting at 1420 ° C for 10 h, pouring the glass frit to room temperature, and then heating it to 900 in an air atmosphere of a low-temperature annealing furnace.
- Example 23 uses analytically pure Na 2 C0 3 , SiO 2 and 99.99% of La 2 (C0 3 ) 3 , Sc 2 (C0 3 ) 3 , Eu 2 (C0 3 ) 3 , Sm 2 (C0 3 ) 3 as the main Raw materials, weighed Na 2 C0 3 8.80 g, Si0 2 6.1 g, La 2 (C0 3 ) 3 1.69 g, Sc 2 (C0 3 ) 3 1.49 g, Eu 2 (C0 3 ) 3 4.47 g, Sm 2 (C0 3 ) 3 17.74 g, after mixing and melting at 1650 °C for 0.5 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 880 for 7 h, and formed
- Example 24 Using analytically pure K 2 C0 3 , Si0 2 and 99.99% of Lu 2 O 3 and Pr 6 O n as main raw materials, K 2 C0 3 12.36 g, Lu 2 (C 2 0 4 ) 3 8.58 g was weighed. , Si0 2 10.91 g, Pr 6 O n 0.09 g, after mixing uniformly, melting at 1200 °C for 5 h, pouring the glass frit to cool to room temperature, and then heating in a low-temperature annealing furnace air atmosphere to 700 °0 for 5 h. Molding 32 ⁇ 2 0 ⁇ 5Lu 2 0 3 - 65Si0 2 - 0.1Pr 2 O 3 was used to emit red light.
- Example 25 the analytically pure Na 2 C0 3 , SiO 2 and 99.99% Tb 2 0 3 were used as the main raw materials, and Na 2 C0 3 7.04 g, Si0 2 7.84 g, Tb 4 0 7 13.31 g were weighed, and the mixture was uniformly mixed. After melting at 1300 °C for 4 h, the glass frit was poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 700 °, and annealed for 5 h to form 28Na 2 0 55Si0 2 - 15Tb 2 0 3 to emit green light. glass.
- Example 26 analytically pure Li 2 C0 3 , Si0 2 and 99.99% of Y 2 O 3 and Tb 2 0 3 were used as main raw materials, and Li 2 C0 3 11.01 g, Si0 2 5.37 g, Y 2 0 3 26.91 g were weighed. , Tb 4 0 7 0.11 g, after mixing and melting at 1600 °C for 1 h, the glass frit is poured out and cooled to room temperature, then placed in a low-temperature annealing furnace air atmosphere and heated to 800 °0 for 5 h, and formed to 50 Li 2 . O-40Y 2 O 3 -30SiO 2 -0.1Tb 2 O 3 emits green glass.
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PCT/CN2009/071852 WO2010133025A1 (zh) | 2009-05-19 | 2009-05-19 | 稀土离子掺杂的硅酸盐发光玻璃及其制备方法 |
JP2012511113A JP5696965B2 (ja) | 2009-05-19 | 2009-05-19 | 希土類イオンドープしたケイ酸塩発光ガラスおよびその調製方法 |
CN200980159357.1A CN102428049B (zh) | 2009-05-19 | 2009-05-19 | 稀土离子掺杂的硅酸盐发光玻璃及其制备方法 |
EP09844777.4A EP2433914A4 (en) | 2009-05-19 | 2009-05-19 | LUMINESCENT SILICATE GLASS DOPED BY RARE EARTH IONS AND PREPARATION METHOD THEREOF |
US13/320,753 US8925349B2 (en) | 2009-05-19 | 2009-05-19 | Rare earth ion doped silicate luminescence glass and preparation method thereof |
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- 2009-05-19 JP JP2012511113A patent/JP5696965B2/ja not_active Expired - Fee Related
- 2009-05-19 EP EP09844777.4A patent/EP2433914A4/en not_active Withdrawn
- 2009-05-19 US US13/320,753 patent/US8925349B2/en active Active
- 2009-05-19 CN CN200980159357.1A patent/CN102428049B/zh not_active Expired - Fee Related
- 2009-05-19 WO PCT/CN2009/071852 patent/WO2010133025A1/zh active Application Filing
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113388396A (zh) * | 2020-03-13 | 2021-09-14 | 包头稀土研究院 | 荧光材料及其制备方法 |
CN113388397A (zh) * | 2020-03-13 | 2021-09-14 | 包头稀土研究院 | 含有稀土元素的红色荧光材料及其制备方法和用途 |
CN113388397B (zh) * | 2020-03-13 | 2023-06-30 | 包头稀土研究院 | 含有稀土元素的红色荧光材料及其制备方法和用途 |
Also Published As
Publication number | Publication date |
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JP5696965B2 (ja) | 2015-04-08 |
EP2433914A4 (en) | 2016-11-30 |
US20120061615A1 (en) | 2012-03-15 |
CN102428049B (zh) | 2014-03-12 |
JP2012527390A (ja) | 2012-11-08 |
EP2433914A1 (en) | 2012-03-28 |
CN102428049A (zh) | 2012-04-25 |
US8925349B2 (en) | 2015-01-06 |
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