CN103965909A - Dysprosium-doped tellurite glass up-conversion luminescent material and its preparation method and use - Google Patents
Dysprosium-doped tellurite glass up-conversion luminescent material and its preparation method and use Download PDFInfo
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- CN103965909A CN103965909A CN201310037352.XA CN201310037352A CN103965909A CN 103965909 A CN103965909 A CN 103965909A CN 201310037352 A CN201310037352 A CN 201310037352A CN 103965909 A CN103965909 A CN 103965909A
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- conversion luminescent
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Abstract
The invention discloses a dysprosium-doped tellurite glass up-conversion luminescent material. The dysprosium-doped tellurite glass up-conversion luminescent material has a chemical formula of TeO2-BaCO3-ZnO: xDy<3+>, wherein x is in a range of 1-8. In the photoluminescence spectrum of the dysprosium-doped tellurite glass up-conversion luminescent material, the dysprosium-doped tellurite glass up-conversion luminescent material has excitation wavelength of 796nm, and in the zone of wavelength of 482nm, 4F9/2-to-6F15/2 transition radiation of Dy<3+> ions is produced so that a luminescence peak is formed. The dysprosium-doped tellurite glass up-conversion luminescent material can be used as a blue light emitting material. The invention also provides a preparation method of the dysprosium-doped tellurite glass up-conversion luminescent material and an organic light-emitting diode using the dysprosium-doped tellurite glass up-conversion luminescent material.
Description
Technical field
The present invention relates to a kind of dysprosium doping tellurite glasses 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, apply widely and obtained the utmost point.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 dysprosium doping tellurite glasses 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 dysprosium doping tellurite glasses up-conversion luminescent material, the preparation method of blue light and be used the Organic Light Emitting Diode of this dysprosium doping tellurite glasses up-conversion luminescent material by long-wave radiation.
A kind of dysprosium doping tellurite glasses up-conversion luminescent material, its chemical formula is TeO
2-BaCO
3-ZnO:xDy
3+, wherein, x is 1～8.
Described x is 2.
A preparation method for dysprosium doping tellurite glasses up-conversion luminescent material, comprises the following steps
Step 1, according to TeO
2-BaCO
3-ZnO:xDy
3+the stoichiometric ratio of each element takes TeO
2, BaCO
3, ZnO and Dy
2o
3powder, wherein, x is 1～8;
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 800 DEG C～1100 DEG C of the presoma in described step 2;
Step 4, precursor after treatment in described step 3 is cooled to 100 DEG C～300 DEG C, then is incubated 0.5 hour～3 hours, cool to room temperature, obtaining chemical general formula is TeO
2-BaCO
3-ZnO:xDy
3+dysprosium doping tellurite glasses up-conversion luminescent material.
Described TeO
2, BaCO
3, ZnO and Dy
2o
3the each component mol ratio of powder is (50～70): (14～40): (2～15): (1～8).
Described x is 2.
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 950 DEG C of described presoma.
Cooling temperature in step 4 is 200 DEG C, 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 dysprosium doping tellurite glasses up-conversion luminescent material, the chemical formula of described dysprosium doping tellurite glasses up-conversion luminescent material is TeO
2-BaCO
3-ZnO:xDy
3+, wherein, x is 1～8.
X is 2.
The preparation method of above-mentioned dysprosium doping tellurite glasses 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 the dysprosium doping tellurite glasses up-conversion luminescent material of preparation, the excitation wavelength of dysprosium doping tellurite glasses up-conversion luminescent material is 796nm, in 482nm wavelength zone by Dy
3+ion
4f
9/2→
6f
15/2transition radiation form glow peak, can be used as blue light emitting material.
Brief description of the drawings
Fig. 1 is the structural representation of the Organic Light Emitting Diode of an embodiment.
Fig. 2 is the photoluminescence spectrogram of the dysprosium doping tellurite glasses up-conversion luminescent material prepared of embodiment 1.
Fig. 3 is the Raman spectrum of the dysprosium doping tellurite glasses up-conversion luminescent material prepared of embodiment 1.
Fig. 4 is the spectrogram that forms the Organic Light Emitting Diode emitting white light in the transparent encapsulated layer prepared of embodiment 1 doped with dysprosium doping tellurite glasses up-conversion luminescent material.
Embodiment
Below in conjunction with the drawings and specific embodiments, dysprosium doping tellurite glasses up-conversion luminescent material and preparation method thereof is further illustrated.
The dysprosium doping tellurite glasses up-conversion luminescent material of one embodiment, its chemical formula is TeO
2-BaCO
3-ZnO:xDy
3+, wherein, x is 1～8.
Preferably, x is 2.
In the photoluminescence spectra of this dysprosium doping tellurite glasses up-conversion luminescent material, the excitation wavelength of dysprosium doping tellurite glasses up-conversion luminescent material is 796nm, in the time that material is subject to long wavelength's (as 796nm) radiation, and Dy
3+ion just in
4f
9/2excited state, then to
6f
15/2transition, just sends the blue light of 482nm, can be used as blue light emitting material.
The preparation method of above-mentioned dysprosium doping tellurite glasses up-conversion luminescent material, comprises the following steps:
Step S11, according to TeO
2-BaCO
3-ZnO:xDy
3+the stoichiometric ratio of each element takes TeO
2, BaCO
3, ZnO and Dy
2o
3powder, wherein, x is 1～8.
In this step, described TeO
2, BaCO
3, ZnO and Dy
2o
3the each component mol ratio of powder is (50～70): (14～40): (2～15): (1～8).
In this step, preferred, x is 2.
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 800 DEG C～1100 DEG C;
Preferably, presoma calcination 3 hours at 950 DEG C.
Step S17, will be cooled to 100 DEG C～300 DEG C after precursor after treatment in step S15, then be incubated 0.5 hour～3 hours, cool to room temperature, obtaining chemical general formula is TeO
2-BaCO
3-ZnO:xDy
3+dysprosium doping tellurite glasses up-conversion luminescent material, wherein, x is 1～8.
Preferably, precursor after treatment in step S15 is cooled to 200 DEG C, then is incubated 2 hours.
The preparation method of above-mentioned dysprosium doping tellurite glasses 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 the dysprosium doping tellurite glasses up-conversion luminescent material of preparation, the excitation wavelength of dysprosium doping tellurite glasses up-conversion luminescent material is 796nm, in 482nm wavelength zone by Dy
3+ion
4f
9/2→
6f
15/2transition 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 the substrate 1, negative electrode 2, organic luminous layer 3, transparent anode 4 and the transparent encapsulated layer 5 that stack gradually.In transparent encapsulated layer 5, be dispersed with dysprosium doping tellurite glasses up-conversion luminescent material 6, the chemical formula of dysprosium doping tellurite glasses up-conversion luminescent material is TeO
2-BaCO
3-ZnO:xDy
3+, wherein, x is 1～8, and the 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 dysprosium doping tellurite glasses 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 TeO
2, BaCO
3, ZnO and Dy
2o
3the each component of powder makes it evenly mix for 40 minutes for 65:25:8:2 grinds in corundum mortar in molar ratio, then calcination 3 hours at 950 DEG C in retort furnace, then be cooled to 200 DEG C of insulations 2 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 65TeO
2-25BaCO
3-8ZnO:2Dy
3+up-conversion phosphor.
Process prepared by Organic Light Emitting Diode:
The substrate 1 stacking gradually use soda-lime glass, negative electrode 2 use metal A g layer, organic luminous layer 3 use Ir (piq) 2 (acac) Chinese name two (1-phenyl-isoquinoline 99.9) (methyl ethyl diketones) close iridium (III), transparent anode 4 uses tin indium oxide ITO, and transparent encapsulated layer 5 tetrafluoroethylene.In transparent encapsulated layer 5, be dispersed with thulium doped tellurate changing luminous material 6 on glass, the chemical formula of thulium doped with fluorine silex glass up-conversion luminescent material is 65TeO
2-25BaCO
3-8ZnO:2Dy
3+.
Refer to Fig. 2, Figure 2 shows that the photoluminescence spectra figure of the dysprosium doping tellurite glasses up-conversion luminescent material obtaining.As seen from Figure 2, the excitation wavelength of dysprosium that the present embodiment obtains doping tellurite glasses up-conversion luminescent material is 796nm, in 482nm wavelength zone by Dy
3+ion
4f
9/2→
6f
15/2transition radiation form glow peak, this dysprosium doping tellurite glasses up-conversion luminescent material can be used as blue light emitting material.
Refer to Fig. 3, in Fig. 3, curve is the Raman spectrum of implementing the dysprosium doping tellurite glasses up-conversion luminescent material of 1 preparation, Raman peaks is depicted as tellurite glasses characteristic peak as seen from the figure, there is not the peak of doped element and other impurity, illustrate 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 dysprosium doping tellurite glasses up-conversion luminescent material material, and curve 2 is the not contrast doped with dysprosium doping tellurite glasses up-conversion luminescent material material in transparent encapsulated layer.In figure, can find out, as can be seen from Figure 4, dysprosium doping tellurite glasses up-conversion luminescent material can, by the red light of long wave, inspire the blue light of shortwave, after blue light mixes with ruddiness, forms white light.
Embodiment 2
Selecting purity is 99.99% powder, by TeO
2, BaCO
3, ZnO and Dy
2o
3the each component of powder is 50:40:2:8 in molar ratio, in corundum mortar, grind and it was evenly mixed in 20 minutes, then calcination 3 hours at 800 DEG C in retort furnace, then be cooled to 250 DEG C of insulations 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 50TeO
2-40BaCO
3-2ZnO:8Dy
3+up-conversion phosphor.
Embodiment 3
Selecting purity is 99.99% powder, by TeO
2, BaCO
3, ZnO and Dy
2o
3the each component of powder is 70:14:15:1 in molar ratio, in corundum mortar, grind and it was evenly mixed in 60 minutes, then calcination 3 hours at 1000 DEG C in retort furnace, then be cooled to 250 DEG C of insulations 2 hours, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 70TeO
2-14BaCO
3-15ZnO:Dy
3+up-conversion phosphor.
Embodiment 4
Selecting purity is 99.99% powder, by TeO
2, BaCO
3, ZnO and Dy
2o
3the each component of powder is 60:22:13:5 in molar ratio, in corundum mortar, grind and it was evenly mixed in 30 minutes, then calcination 3 hours at 900 DEG C in retort furnace, then be cooled to 300 DEG C of insulations 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 60TeO
2-22BaCO
3-13ZnO:5Dy
3+up-conversion phosphor.
Embodiment 5
Selecting purity is 99.99% powder, by TeO
2, BaCO
3, ZnO and Dy
2o
3the each component of powder is 55:34:4:7 in molar ratio, in corundum mortar, grind and it was evenly mixed in 60 minutes, then calcination 2 hours at 850 DEG C in retort furnace, then be cooled to 300 DEG C of insulations 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, after pulverizing, can obtain chemical general formula is 55TeO
2-34BaCO
3-4ZnO:7Dy
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 dysprosium doping tellurite glasses up-conversion luminescent material, is characterized in that: its chemical general formula is TeO
2-BaCO
3-ZnO:xDy
3+, wherein, x is 1～8.
2. dysprosium doping tellurite glasses up-conversion luminescent material according to claim 1, is characterized in that, described x is 2.
3. a preparation method for dysprosium doping tellurite glasses up-conversion luminescent material, is characterized in that, comprises the following steps:
Step 1, according to TeO
2-BaCO
3-ZnO:xDy
3+the stoichiometric ratio of each element takes TeO
2, BaCO
3, ZnO and Dy
2o
3powder, wherein, x is 1～8;
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 800 DEG C～1100 DEG C of described presoma;
Step 4, precursor after treatment in described step 3 is cooled to 100 DEG C～300 DEG C, then is incubated 0.5 hour～3 hours, cool to room temperature, obtaining chemical general formula is TeO
2-BaCO
3-ZnO:xDy
3+dysprosium doping tellurite glasses up-conversion luminescent material.
4. the preparation method of dysprosium doping tellurite glasses up-conversion luminescent material according to claim 3, is characterized in that described TeO
2, BaCO
3, ZnO and Dy
2o
3the each component mol ratio of powder is (50～70): (14～40): (2～15): (1～8).
5. the preparation method of dysprosium doping tellurite glasses up-conversion luminescent material according to claim 3, is characterized in that, described x is 2.
6. the preparation method of dysprosium doping tellurite glasses 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 dysprosium according to claim 3 doping tellurite glasses up-conversion luminescent material, is characterized in that, in step 3 by the calcination 3 hours at 950 DEG C of described presoma.
8. the preparation method of dysprosium doping tellurite glasses up-conversion luminescent material according to claim 3, is characterized in that, the cooling temperature in step 4 is 200 DEG C, and soaking time is 2 hours.
9. an Organic Light Emitting Diode, this Organic Light Emitting Diode comprises 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 dysprosium doping tellurite glasses up-conversion luminescent material, the chemical formula of described dysprosium doping tellurite glasses up-conversion luminescent material is TeO
2-BaCO
3-ZnO:xDy
3+, wherein, x is 1～8.
10. Organic Light Emitting Diode according to claim 9, is characterized in that, described x is 2.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149432A (en) * | 2021-03-11 | 2021-07-23 | 天津工业大学 | Anti-radiation boron tellurate luminescent glass and preparation method thereof |
| CN117964233A (en) * | 2024-01-26 | 2024-05-03 | 长春理工大学中山研究院 | Tellurate glass, and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3509064A (en) * | 1966-12-01 | 1970-04-28 | Gen Telephone & Elect | Alkaline earth tellurate phosphors |
| CN1378523A (en) * | 1999-10-12 | 2002-11-06 | 康宁股份有限公司 | Tellurite glasses and optical components |
| CN101164942A (en) * | 2006-10-19 | 2008-04-23 | 北京印刷学院 | Leadless tellurate low melting sealing glass |
| CN101857365A (en) * | 2010-06-02 | 2010-10-13 | 北京航空航天大学 | Tellurite fluorescent glass with doped rare earth erbium and dysprosium and preparation method thereof |
-
2013
- 2013-01-30 CN CN201310037352.XA patent/CN103965909A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3509064A (en) * | 1966-12-01 | 1970-04-28 | Gen Telephone & Elect | Alkaline earth tellurate phosphors |
| CN1378523A (en) * | 1999-10-12 | 2002-11-06 | 康宁股份有限公司 | Tellurite glasses and optical components |
| CN101164942A (en) * | 2006-10-19 | 2008-04-23 | 北京印刷学院 | Leadless tellurate low melting sealing glass |
| CN101857365A (en) * | 2010-06-02 | 2010-10-13 | 北京航空航天大学 | Tellurite fluorescent glass with doped rare earth erbium and dysprosium and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| A. MOHAN BABU等: "Spectroscopic and photoluminescence properties of Dy3+-doped lead tungsten tellurite glasses for laser materials", 《JOURNAL OF ALLOYS AND COMPOUNDS》, vol. 509, 31 December 2011 (2011-12-31) * |
| 牛春晖等: "Tm3+/Yb3+掺杂亚碲酸盐玻璃蓝红光上转换的研究", 《中国稀土学报》, vol. 20, no. 3, 30 June 2002 (2002-06-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149432A (en) * | 2021-03-11 | 2021-07-23 | 天津工业大学 | Anti-radiation boron tellurate luminescent glass and preparation method thereof |
| CN117964233A (en) * | 2024-01-26 | 2024-05-03 | 长春理工大学中山研究院 | Tellurate glass, and preparation method and application thereof |
| CN117964233B (en) * | 2024-01-26 | 2024-07-05 | 长春理工大学中山研究院 | Tellurate glass, and preparation method and application thereof |
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Application publication date: 20140806 |