CN104059650A - Thulium doped basic bismuth fluoborate glass up-conversion luminescent material, preparation method and application thereof - Google Patents
Thulium doped basic bismuth fluoborate glass up-conversion luminescent material, preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to a thulium doped basic bismuth fluoborate glass up-conversion luminescent material, a chemical reaction of the material is aBi2O3-bB2O3-cRF: xTm<3+>, wherein a is 0.15-0.3, b is 0.25-0.32, c is 0.48-0.53, x is 0.005-0.03, and R is one element of lithium, sodium, potassium, rubidium and caesium. In photoluminescence spectrum of the thulium doped basic bismuth fluoborate glass up-conversion luminescent material, the excitation wavelength of the thulium doped basic bismuth fluoborate glass up-conversion luminescent material is 796nm, transition radiation of Tm<3+>ion <1>G4-<3>H6 forms a luminescence peak at a 475nm wavelength zone, and the luminescent material can be taken as a blue light luminescent material. The invention also provides a preparation method of the thulium doped basic bismuth fluoborate glass up-conversion luminescent material and an organic light-emitting diode by using the thulium doped basic bismuth fluoborate glass up-conversion luminescent material.
Description
Technical field
The present invention relates to a kind of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, preparation method and Organic Light Emitting Diode.
Background technology
Organic Light Emitting Diode (OLED) because unit construction is simple, the characteristic such as cheap, the luminous of production cost, reaction times be short, flexible, and obtained the utmost point, apply widely.But owing to obtaining at present, the OLED blue light material of stability and high efficiency is more difficult, has limited greatly the development of white light OLED device and light source industry.
Upconverting fluorescent material can be launched visible ray under long wave (as infrared) radiation excitation, even UV-light, is with a wide range of applications in fields such as optical fiber communication technology, fibre amplifier, 3 D stereo demonstration, biomolecules fluorescence labelling, infrared detectives.But, can be by infrared, the long-wave radiations such as red-green glow inspire the thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material of blue emission, have not yet to see report.
Summary of the invention
Based on this, being necessary to provide a kind of can be inspired thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, the preparation method of blue light and be used the Organic Light Emitting Diode of this thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material by long-wave radiation.
A thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, its chemical formula is aBi
2o
3-bB
2o
3-cRF:xTm
3+, wherein, a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is that 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element.
Described a is that 0.2, b is that 0.29, c is that 0.5, x is 0.01.
A preparation method for thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, comprises the following steps
Step 1, according to aBi
2o
3-bB
2o
3-cRF:xTm
3+the stoichiometric ratio of each element takes Bi
2o
3, B
2o
3, RF and Tm
2o
3powder, wherein a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is that 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element;
Step 2, the powder taking in described step 1 is mixed and obtains presoma;
Step 3, by the calcination 0.5 hour～5 hours at 900 ℃～1400 ℃ of the presoma in described step 2;
Step 4, the precursor after processing in described step 3 is cooled to 600 ℃～800 ℃, then is incubated 0.5 hour～3 hours, cool to room temperature, obtaining chemical general formula is aBi
2o
3-bB
2o
3-cRF:xTm
3+thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material.
Described Bi
2o
3, B
2o
3, RF and Tm
2o
3each component mol ratio of powder is (0.15～0.3): (0.25～0.32): (0.48～0.53): (0.05～0.03).
Described Bi
2o
3, B
2o
3, RF and Tm
2o
3each component mol ratio of powder is 20:29:50:1.
Described in step 2, mixing is described powder to be ground in corundum alms bowl 20 minutes～60 minutes.
In step 3 by the calcination 3 hours at 1200 ℃ of described presoma.
Cooling temperature in step 4 is 700 ℃, and soaking time is 2 hours.
A kind of Organic Light Emitting Diode, comprise the substrate, negative electrode, organic luminous layer, anode and the transparent encapsulated layer that stack gradually, it is characterized in that, in described transparent encapsulated layer, be dispersed with thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, the chemical formula of described thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is aBi
2o
3-bB
2o
3-cRF:xTm
3+, wherein, a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is that 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element.
A is that 0.2, b is that 0.29, c is that 0.5, x is 0.01.
The preparation method of above-mentioned thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is comparatively simple, and cost is lower, produces comparatively environmental protection in simultaneous reactions process without the three wastes; In the photoluminescence spectra of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material of preparation, the excitation wavelength of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is 796nm, in 475nm wavelength zone by Tm
3+ion
1g
4→
3h
6transition radiation form glow peak, can be used as blue light emitting material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Organic Light Emitting Diode of an embodiment.
Fig. 2 is the photoluminescence spectrogram of the thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material of embodiment 1 preparation.
Fig. 3 is the Raman spectrum of the thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material of embodiment 1 preparation.
Fig. 4 forms the spectrogram of the Organic Light Emitting Diode emitting white light doped with thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material in the transparent encapsulated layer of embodiment 1 preparation.
Embodiment
Below in conjunction with the drawings and specific embodiments, thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material and preparation method thereof is further illustrated.
The thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material of one embodiment, its chemical formula is aBi
2o
3-bB
2o
3-cRF:xTm
3+, wherein, a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is that 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element.
Preferably, a is that 0.2, b is that 0.29, c is that 0.5, x is 0.01.
In the photoluminescence spectra of this thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, the excitation wavelength of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is 796nm, when material is subject to long wavelength's (as 796nm) radiation, and Tm
3+ion just in
1g
4excited state, then to
3h
6transition, just sends the blue light of 475nm, can be used as blue light emitting material.
The preparation method of above-mentioned thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, comprises the following steps:
Step S11, according to aBi
2o
3-bB
2o
3-cRF:xTm
3+the stoichiometric ratio of each element takes Bi
2o
3, B
2o
3, RF and Tm
2o
3powder, wherein, a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is that 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element.
In this step, described Bi
2o
3, B
2o
3, RF and Tm
2o
3each component mol ratio of powder is (0.15～0.3): (0.25～0.32): (0.48～0.53): (0.05～0.03).
In this step, preferred, Bi
2o
3, B
2o
3, RF and Tm
2o
3each component mol ratio of powder is 0.2:0.29:0.5:0.01.
Step S13, the powder taking in step S11 is mixed and obtains presoma.
In this step, powder is ground in corundum alms bowl to the 20 minutes～presoma that obtains mixing for 60 minutes, preferably grind 40 minutes.
Step S15, by presoma calcination 0.5 hour～5 hours at 900 ℃～1400 ℃;
Preferably, presoma calcination 3 hours at 1200 ℃.
After step S17, the precursor after will be in step S15 processing, be cooled to 600 ℃～800 ℃, then be incubated 0.5 hour～3 hours, cool to room temperature, obtaining chemical general formula is aBi
2o
3-bB
2o
3-cRF:xTm
3+thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, wherein, a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is 0.005～0.03.
Preferably, the precursor after processing in step S15 is cooled to 700 ℃, then is incubated 2 hours.
The preparation method of above-mentioned thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is comparatively simple, and cost is lower, produces comparatively environmental protection in simultaneous reactions process without the three wastes; In the photoluminescence spectra of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material of preparation, the excitation wavelength of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is 796nm, in 475nm wavelength zone by Tm
3+ion
1g
4→
3h
6transition radiation form glow peak, can be used as blue light emitting material.
Refer to Fig. 1, the Organic Light Emitting Diode 100 of an embodiment, this Organic Light Emitting Diode 100 comprises substrate 1, negative electrode 2, organic luminous layer 3, transparent anode 4 and the transparent encapsulated layer 5 stacking gradually.In transparent encapsulated layer 5, be dispersed with thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material 6, the chemical formula of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is aBi
2o
3-bB
2o
3-cRF:xTm
3+wherein, a is 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element, organic luminous layer 3 in this device sends red-green glow, and part red-green glow excites and in transparent encapsulated layer 5, is dispersed with thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material 6 and sends blue light, and last redgreenblue just blendes together white light.
Be specific embodiment below.
Embodiment 1
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, LiF and Tm
2o
3each component of powder makes it evenly mix for 40 minutes for 0.2:0.29:0.5:0.01 grinds in corundum mortar in molar ratio, then calcination 3 hours at 1200 ℃ in retort furnace, then be cooled to 700 ℃ of insulations 2 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.2Bi
2o
3-0.29 B
2o
3-0.5LiF:0.01Tm
3+up-conversion phosphor.
Process prepared by Organic Light Emitting Diode
The substrate 1 stacking gradually uses soda-lime glass, negative electrode 2 to use metal A g layer, organic luminous layer 3 to use Ir (piq) 2 (acac) Chinese name to close iridium (III), transparent anode 4 use tin indium oxide ITO two (1-phenyl-isoquinoline 99.9) (methyl ethyl diketones), and transparent encapsulated layer 5 tetrafluoroethylene.In transparent encapsulated layer 5, be dispersed with thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material 6, the chemical formula of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is 0.2Bi
2o
3-0.29 B
2o
3-0.5LiF:0.01Tm
3+.
Refer to Fig. 2, Figure 2 shows that the photoluminescence spectra figure of the thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material obtaining.As seen from Figure 2, the excitation wavelength of the thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material that the present embodiment obtains is 796nm, in 475nm wavelength zone by Tm
3+ion
1g
4→
3h
6transition radiation form glow peak, this thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material can be used as blue light emitting material.
Refer to Fig. 3, in Fig. 3, curve is for implementing the Raman spectrum of the thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material of 1 preparation, Raman peaks in figure is depicted as alkali bismuth fluoborate glass characteristic peak, the peak that does not occur doped element and other impurity, illustrates that doped element and substrate material have formed good bonding.
Refer to Fig. 4, Fig. 4 curve 1 is for form the spectrogram of the Organic Light Emitting Diode emitting white light in transparent encapsulated layer doped with thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, and curve 2 is not doped with the contrast of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material material in transparent encapsulated layer.In figure, can find out, thulium alkali-doped bismuth fluoroborate up-conversion luminescent material can inspire the blue light of shortwave by the red light of long wave, after blue light mixes with ruddiness, forms white light.
Embodiment 2
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, LiF and Tm
2o
3each component of powder makes it evenly mix for 20 minutes for 0.15:0.315:0.53:0.005 grinds in corundum mortar in molar ratio, then calcination 5 hours at 900 ℃ in retort furnace, then be cooled to 600 ℃ of insulations 3 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.15Bi
2o
3-0.315B
2o
3-0.53LiF:0.005Tm
3+up-conversion phosphor.
Embodiment 3
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, LiF and Tm
2o
3each component of powder is 0.3:0.25:0.42:0.03 by mole number, in corundum mortar, grind and it was evenly mixed in 60 minutes, then calcination 3 hours at 1400 ℃ in retort furnace, then be cooled to 800 ℃ of insulations 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula 0.3Bi
2o
3-0.25 B
2o
3-0.42LiF:0.03Tm
3+up-conversion phosphor.
Embodiment 4
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, NaF and Tm
2o
3each component of powder is that 0.2:0.29:0.5:0.01 grinds and it evenly mixed in 40 minutes in corundum mortar by mole number, then calcination 3 hours at 1200 ℃ in retort furnace, then be cooled to 700 ℃ of insulations 2 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.2Bi
2o
3-0.29 B
2o
3-0.5LiF:0.01Tm
3+up-conversion phosphor.
Embodiment 5
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, NaF and Tm
2o
3each component of powder is 0.15:0.315:0.53:0.005 by mole number, in corundum mortar, grind and it was evenly mixed in 20 minutes, then calcination 0.5 hour at 900 ℃ in retort furnace, then be cooled to 600 ℃ of insulations 3 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.15Bi
2o
3-0.315B
2o
3-0.53LiF:0.005Tm
3+up-conversion phosphor.
Embodiment 6
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, NaF and Tm
2o
3each component of powder is 0.3:0.25:0.42:0.03 by mole number, in corundum mortar, grind and it was evenly mixed in 60 minutes, then calcination 5 hours at 1400 ℃ in retort furnace, then be cooled to 800 ℃ of insulations 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.3Bi
2o
3-0.25B
2o
3-0.42LiF:0.03Tm
3+up-conversion phosphor.
Embodiment 7
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, KF and Tm
2o
3each component of powder is 0.2:0.29:0.5:0.01 by mole number, in corundum mortar, grind and it was evenly mixed in 40 minutes, then calcination 3 hours at 1200 ℃ in retort furnace, then be cooled to 700 ℃ of insulations 2 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.2Bi
2o
3-0.29 B
2o
3-0.5LiF:0.01Tm
3+up-conversion phosphor.
Embodiment 8
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, KF and Tm
2o
3each component of powder is 0.15:0.315:0.53:0.005 by mole number, in corundum mortar, grind and it was evenly mixed in 20 minutes, then calcination 0.5 hour at 900 ℃ in retort furnace, then be cooled to 600 ℃ of insulations 3 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.15Bi
2o
3-0.315B
2o
3-0.53LiF:0.005Tm
3+up-conversion phosphor.
Embodiment 9
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, KF and Tm
2o
3each component of powder is 0.3:0.25:0.42:0.03 by mole number, in corundum mortar, grind and it was evenly mixed in 60 minutes, then calcination 5 hours at 1400 ℃ in retort furnace, then be cooled to 800 ℃ of insulations 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.3Bi
2o
3-0.25B
2o
3-0.42LiF:0.03Tm
3+up-conversion phosphor.
Embodiment 10
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, RbF and Tm
2o
3each component of powder is that 0.2:0.29:0.5:0.01 grinds and it evenly mixed in 40 minutes in corundum mortar by mole number, then calcination 3 hours at 1200 ℃ in retort furnace, then be cooled to 700 ℃ of insulations 2 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.2Bi
2o
3-0.29 B
2o
3-0.5LiF:0.01Tm
3+up-conversion phosphor.
Embodiment 11
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, RbF and Tm
2o
3each component of powder is 0.15:0.315:0.53:0.005 by mole number, in corundum mortar, grind and it was evenly mixed in 20 minutes, then calcination 0.5 hour at 900 ℃ in retort furnace, then be cooled to 600 ℃ of insulations 3 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.15Bi
2o
3-0.315B
2o
3-0.53LiF:0.005Tm
3+up-conversion phosphor.
Embodiment 12
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, RbF and Tm
2o
3each component of powder is 0.3:0.25:0.42:0.03 by mole number, in corundum mortar, grind and it was evenly mixed in 60 minutes, then calcination 5 hours at 1400 ℃ in retort furnace, then be cooled to 800 ℃ of insulations 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.3Bi
2o
3-0.25B
2o
3-0.42LiF:0.03Tm
3+up-conversion phosphor.
Embodiment 13
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, CsF and Tm
2o
3each component of powder is that 0.2:0.29:0.5:0.01 grinds and it evenly mixed in 40 minutes in corundum mortar by mole number, then calcination 3 hours at 1200 ℃ in retort furnace, then be cooled to 700 ℃ of insulations 2 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.2Bi
2o
3-0.29 B
2o
3-0.5LiF:0.01Tm
3+up-conversion phosphor.
Embodiment 14
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, CsF and Tm
2o
3each component of powder is 0.15:0.315:0.53:0.005 by mole number, in corundum mortar, grind and it was evenly mixed in 20 minutes, then calcination 0.5 hour at 900 ℃ in retort furnace, then be cooled to 600 ℃ of insulations 3 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.15Bi
2o
3-0.315B
2o
3-0.53LiF:0.005Tm
3+up-conversion phosphor.
Embodiment 15
Selecting purity is 99.99% powder, by Bi
2o
3, B
2o
3, CsF and Tm
2o
3each component of powder is 0.3:0.25:0.42:0.03 by mole number, in corundum mortar, grind and it was evenly mixed in 60 minutes, then calcination 0.5 hour at 1400 ℃ in retort furnace, then be cooled to 800 ℃ of insulations 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 0.3Bi
2o
3-0.25B
2o
3-0.42LiF:0.03Tm
3+up-conversion phosphor.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, is characterized in that: its chemical general formula is aBi
2o
3-bB
2o
3-cRF:xTm
3+, wherein, a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is that 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element.
2. thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material according to claim 1, is characterized in that, described a is that 0.2, b is that 0.29, c is that 0.5, x is 0.01.
3. a preparation method for thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, is characterized in that, comprises the following steps:
Step 1, according to aBi
2o
3-bB
2o
3-cRF:xTm
3+the stoichiometric ratio of each element takes Bi
2o
3, B
2o
3, RF and Tm
2o
3powder, wherein a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is that 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element;
Step 2, the powder taking in described step 1 is mixed and obtains presoma;
Step 3, by the calcination 0.5 hour～5 hours at 900 ℃～1400 ℃ of described presoma;
Step 4, the precursor after processing in described step 3 is cooled to 600 ℃～800 ℃, then is incubated 0.5 hour～3 hours, cool to room temperature, obtaining chemical general formula is aBi
2o
3-bB
2o
3-cRF:xTm
3+thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material.
4. the preparation method of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material according to claim 3, is characterized in that described Bi
2o
3, B
2o
3, RF and Tm
2o
3each component mol ratio of powder is (0.15～0.3): (0.25～0.32): (0.48～0.53): (0.005～0.03).
5. the preparation method of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material according to claim 3, is characterized in that described Bi
2o
3, B
2o
3, RF and Tm
2o
3each component mol ratio of powder is 0.2:0.29:0.5:0.01.
6. the preparation method of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material according to claim 3, is characterized in that, described in step 2, mixing is described powder to be ground in corundum alms bowl 20 minutes～60 minutes.
7. the preparation method of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material according to claim 3, is characterized in that, in step 3 by the calcination 3 hours at 1200 ℃ of described presoma.
8. the preparation method of thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material according to claim 3, is characterized in that, the cooling temperature in step 4 is 700 ℃, and soaking time is 2 hours.
9. an Organic Light Emitting Diode, this Organic Light Emitting Diode comprises substrate, negative electrode, organic luminous layer, anode and the transparent encapsulated layer stacking gradually, it is characterized in that, in described transparent encapsulated layer, be dispersed with thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material, the chemical formula of described thulium alkali-doped bismuth fluor borate glass up-conversion luminescent material is aBi
2o
3-bB
2o
3-cRF:xTm
3+, wherein, a is that 0.15～0.3, b is that 0.25～0.32, c is that 0.48～0.53, x is that 0.005～0.03, R is a kind of in lithium, sodium, potassium, rubidium and cesium element.
10. Organic Light Emitting Diode according to claim 9, is characterized in that, described a is that 0.2, b is that 0.29, c is that 0.5, x is 0.01.
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| CN115231824A (en) * | 2021-04-22 | 2022-10-25 | 天津工业大学 | Rare earth element Tm doped fluoborate luminescent glass and preparation method thereof |
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| CN115231824B (en) * | 2021-04-22 | 2023-12-01 | 天津工业大学 | Rare earth element Tm doped fluoborate luminescent glass and preparation method thereof |
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