CN104650880A - Thulium-doped molybdenum aluminate up-conversion luminescent material, preparation method and application thereof - Google Patents

Thulium-doped molybdenum aluminate up-conversion luminescent material, preparation method and application thereof Download PDF

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Publication number
CN104650880A
CN104650880A CN201310578212.3A CN201310578212A CN104650880A CN 104650880 A CN104650880 A CN 104650880A CN 201310578212 A CN201310578212 A CN 201310578212A CN 104650880 A CN104650880 A CN 104650880A
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luminescent material
conversion luminescent
thulium
aluminate glass
doping molybdenum
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周明杰
陈吉星
王平
黄辉
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Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
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Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
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Priority to CN201310578212.3A priority Critical patent/CN104650880A/en
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Abstract

The invention relates to a thulium-doped molybdenum aluminate up-conversion luminescent material, which comprises a following general chemical formula of Me1-xMoAl2O7: xTm<3+>, wherein x is 0.02-0.06, and Me is selected from a magnesium element, a calcium element, a strontium element, a zinc element or a barium element. In a photoluminescence spectrum of the thulium-doped molybdenum aluminate up-conversion luminescent material, the excitation wavelength of the thulium-doped molybdenum aluminate up-conversion luminescent material is 796nm, a luminescence peak is formed by transition radiation of Tm<3+>ion<4>F9/2-<6>F15/2 in a 482nm 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 molybdenum aluminate up-conversion luminescent material and an organic light-emitting diode by using the thulium-doped molybdenum aluminate up-conversion luminescent material.

Description

Thulium doping molybdenum aluminate glass up-conversion luminescent material, preparation method and application thereof
Technical field
The present invention relates to a kind of thulium doping molybdenum aluminate 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 is short, flexible, and obtain a very wide range of application.But because the OLED blue light material obtaining stability and high efficiency is at present more difficult, significantly limit the development of white light OLED device and light source industry.
Upconverting fluorescent material can launch visible ray under long wave (as infrared) radiation excitation, even UV-light, is with a wide range of applications in the field such as optical fiber communication technology, fibre amplifier, 3 D stereo display, biomolecules fluorescence labelling, infrared detective.But, can by infrared, the long-wave radiations such as red-green glow inspire the thulium doping molybdenum aluminate 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 inspire the thulium doping molybdenum aluminate glass up-conversion luminescent material of blue light, preparation method by long-wave radiation and use the Organic Light Emitting Diode of this thulium doping molybdenum aluminate glass up-conversion luminescent material.
A kind of thulium doping molybdenum aluminate glass up-conversion luminescent material, its chemical formula is Me 1-xmoAl 2o 7: xTm 3+, wherein, x is that 0.002 ~ 0.06, Me is selected from magnesium elements, calcium constituent, strontium element, at least one in barium element and zinc element.
Described x is 0.03.
A preparation method for thulium doping molybdenum aluminate glass up-conversion luminescent material, comprises the following steps
Step one, according to Me 1-xmoAl 2o 7: xTm 3+the stoichiometric ratio of each element takes MeO, MoO 3, Al 2o 3and Tm 2o 3powder, wherein, x is that 0.002 ~ 0.06, MeO is selected from magnesium oxide, calcium oxide, strontium oxide, at least one in barium oxide and zinc oxide;
Step 2, the powder taken mixed obtain presoma in described step one;
Step 3, by the calcination 0.5 hour ~ 5 hours at 800 DEG C ~ 1100 DEG C of described presoma,
Step 4, the precursor after process in described step 3 is cooled to 100 DEG C ~ 300 DEG C, then be incubated 0.5 hour ~ 3 hours, cool to room temperature, obtaining chemical general formula is Me 1-xmoAl 2o 7: xTm 3+thulium doping molybdenum aluminate glass up-conversion luminescent material.
Described MeO, MoO 3, Al 2o 3and Tm 2o 3the each component molar of powder is than being (0.998 ~ 0.94): 1:(0.002 ~ 0.06).
Described MeO, MoO 3, Al 2o 3and Tm 2o 3the each component molar of powder is than being 0.97:1:0.03.
Described in step 2, mixing is that described powder is ground 20 minutes ~ 60 minutes in corundum alms bowl.
By the calcination 3 hours at 950 DEG C of described presoma in step 3.
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, be dispersed with thulium doping molybdenum aluminate glass up-conversion luminescent material in described transparent encapsulated layer, the chemical formula of described thulium doping molybdenum aluminate glass up-conversion luminescent material is Me 1-xmoAl 2o 7: xTm 3+, wherein, x is that 0.002 ~ 0.06, Me is selected from magnesium elements, calcium constituent, strontium element, at least one in barium element and zinc element.
X is 0.03.
The preparation method of above-mentioned thulium doping molybdenum aluminate 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 the thulium doping molybdenum aluminate glass up-conversion luminescent material of preparation, the excitation wavelength of thulium doping molybdenum aluminate glass up-conversion luminescent material is 796nm, in 482nm wavelength zone by Tm 3+ion 4f 9/2→ 6f 15/2transition radiation formed glow peak, can 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 thulium doping molybdenum aluminate glass up-conversion luminescent material prepared by embodiment 1.
Fig. 3 is the XRD figure of thulium doping molybdenum aluminate glass up-conversion luminescent material prepared by embodiment 1.
Fig. 4 is the spectrogram forming the Organic Light Emitting Diode emitted white light in the transparent encapsulated layer of embodiment 1 preparation doped with thulium doping molybdenum aluminate glass up-conversion luminescent material.
Embodiment
Below in conjunction with the drawings and specific embodiments, thulium doping molybdenum aluminate glass up-conversion luminescent material and preparation method thereof is illustrated further.
The thulium doping molybdenum aluminate glass up-conversion luminescent material of one embodiment, its chemical formula is Me 1-xmoAl 2o 7: xTm 3+, wherein, x is that 0.002 ~ 0.06, Me is selected from magnesium elements, calcium constituent, strontium element, at least one in barium element and zinc element.
Preferably, x is 0.03.
In the photoluminescence spectra of this thulium doping molybdenum aluminate glass up-conversion luminescent material, the excitation wavelength of thulium doping molybdenum aluminate glass up-conversion luminescent material is 796nm, when material is subject to the radiation of long wavelength (as 796nm) time, and Tm 3+ion has just been in 4f 9/2excited state, then to 6f 15/2transition, just sends the blue light of 482nm, can as blue light emitting material.
The preparation method of above-mentioned thulium doping molybdenum aluminate glass up-conversion luminescent material, comprises the following steps:
Step S11, according to Me 1-xmoAl 2o 7: xTm 3+the stoichiometric ratio of each element takes MeO, MoO 3, Al 2o 3and Tm 2o 3powder, wherein, x is that 0.002 ~ 0.06, MeO is selected from magnesium oxide, calcium oxide, strontium oxide, at least one in barium oxide and zinc oxide.
In this step, described MeO, MoO 3, Al 2o 3and Tm 2o 3the each component molar of powder is than being (0.998 ~ 0.94): 1:(0.002 ~ 0.06).
In this step, preferably, MeO, MoO 3, Al 2o 3and Tm 2o 3the each component molar of powder is than being 0.97:1:0.03.
Step S13, the powder taken mixed obtain presoma in step S11.
In this step, powder is ground in corundum alms bowl the presoma obtaining mixing for 20 minutes ~ 60 minutes, preferred grinding 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, be cooled to 100 DEG C ~ 300 DEG C by after the precursor after process in step S15, then be incubated 0.5 hour ~ 3 hours, cool to room temperature, obtaining chemical general formula is Me 1-xmoAl 2o 7: xTm 3+, wherein, x is that 0.002 ~ 0.06, Me is selected from magnesium elements, calcium constituent, strontium element, at least one in barium element and zinc element.
Preferably, the precursor after process in step S15 is cooled to 200 DEG C, then is incubated 2 hours.
The preparation method of above-mentioned thulium doping molybdenum aluminate 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 the thulium doping molybdenum aluminate glass up-conversion luminescent material of preparation, the excitation wavelength of thulium doping molybdenum aluminate glass up-conversion luminescent material is 796nm, in 482nm wavelength zone by Tm 3+ion 4f 9/2→ 6f 15/2transition radiation formed glow peak, can 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.Be dispersed with thulium doping molybdenum aluminate glass up-conversion luminescent material 6 in transparent encapsulated layer 5, the chemical formula of thulium doping molybdenum aluminate glass up-conversion luminescent material is Me 1-xmoAl 2o 7: xTm 3+wherein, x is 0.002 ~ 0.06, Me is selected from magnesium elements, calcium constituent, strontium element, at least one in barium element and zinc element, organic luminous layer 3 in this device sends red-green glow, and part red-green glow excites in transparent encapsulated layer 5 and is dispersed with thulium doping molybdenum aluminate glass up-conversion luminescent material 6 and sends blue light, and last redgreenblue just blendes together white light.
Be specific embodiment below.
Embodiment 1
Select purity be 99.99% powder, by the MgO of 0.92mmol, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.97:1:1:0.03 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 40 minutes, then calcination 3 hours at 950 DEG C in retort furnace, then 200 DEG C are cooled to be incubated 2 hours, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Mg 0.97moAl 2o 7: 0.03Tm 3+up-conversion phosphor.
Process prepared by Organic Light Emitting Diode
The substrate 1 stacked gradually uses soda-lime glass, negative electrode 2 uses metal A g layer, organic luminous layer 3 uses Ir (piq) 2 (acac) Chinese name (methyl ethyl diketone) closes iridium (III), transparent anode 4 uses tin indium oxide ITO two (1-phenyl-isoquinoline 99.9), and transparent encapsulated layer 5 tetrafluoroethylene.Be dispersed with thulium doping molybdenum aluminate up-conversion luminescent material 6 in transparent encapsulated layer 5, the chemical formula of thulium doping molybdenum aluminate up-conversion luminescent material is Mg 0.97moAl 2o 7: 0.03Tm 3+.
Refer to Fig. 2, Figure 2 shows that the photoluminescence spectra figure of the thulium doping molybdenum aluminate glass up-conversion luminescent material obtained.As seen from Figure 2, the excitation wavelength of the thulium doping molybdenum aluminate glass up-conversion luminescent material that curve 1 the present embodiment obtains is 796nm, in 482nm wavelength zone by Tm 3+ion 4f 9/2→ 6f 15/2transition radiation formed glow peak, this thulium doping molybdenum aluminate glass up-conversion luminescent material can be used as blue light emitting material.
Refer to Fig. 3, in Fig. 3, curve is the XRD curve of thulium doping molybdenum aluminate glass up-conversion luminescent material prepared by enforcement 1, test comparison standard P DF card.Contrast PDF card, diffraction peak is depicted as the crystal orientation of molybdenum aluminate, does not occur illustrating that doped element is the lattice entering molybdenum aluminate in the peak that thulium element is relevant.
Refer to Fig. 4, Fig. 4 curve 1 is the spectrogram forming the Organic Light Emitting Diode emitted white light in transparent encapsulated layer doped with thulium doping molybdenum aluminate glass up-conversion luminescent material, and curve 2 is not doped with the contrast of thulium doping molybdenum aluminate glass up-conversion luminescent material in transparent encapsulated layer.Can find out in figure, up-conversion luminescent material by the red light of long wave, can inspire the blue light of shortwave, forms white light after blue light mixes with ruddiness.
Embodiment 2
Select purity be 99.99% powder, by MgO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.998:1:1:0.002 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 20 minutes, then calcination 3 hours at 800 DEG C in retort furnace, then 250 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Mg 0.998moAl 2o 7: 0.002Tm 3+up-conversion phosphor.
Embodiment 3
Select purity be 99.99% powder, by MgO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.94:1:1:0.06 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 3 hours at 1000 DEG C in retort furnace, then 250 DEG C are cooled to be incubated 2 hours, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Mg 0.94moAl 2o 7: 0.06Tm 3+up-conversion phosphor.
Embodiment 4
Select purity be 99.99% powder, by CaO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.97:1:1:0.03 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 30 minutes, then calcination 3 hours at 900 DEG C in retort furnace, then 300 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Ca 0.97moAl 2o 7: 0.03Tm 3+up-conversion phosphor.
Embodiment 5
Select purity be 99.99% powder, by CaO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.998:1:1:0.002 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 2 hours at 850 DEG C in retort furnace, then 300 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Ca 0.998moAl 2o 7: 0.002Tm 3+up-conversion phosphor.
Embodiment 6
Select purity be 99.99% powder, by CaO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.94:1:1:0.06 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 3 hours at 1000 DEG C in retort furnace, then 250 DEG C are cooled to be incubated 2 hours, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Ca 0.94moAl 2o 7: 0.06Tm 3+up-conversion phosphor.
Embodiment 7
Select purity be 99.99% powder, by SrO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.97:1:1:0.03 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 30 minutes, then calcination 3 hours at 900 DEG C in retort furnace, then 300 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Sr 0.97moAl 2o 7: 0.03Tm 3+up-conversion phosphor.
Embodiment 8
Select purity be 99.99% powder, by SrO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.998:1:1:0.002 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 2 hours at 850 DEG C in retort furnace, then 300 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Sr 0.998moAl 2o 7: 0.002Tm 3+up-conversion phosphor.
Embodiment 9
Select purity be 99.99% powder, by SrO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.94:1:1:0.06 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 3 hours at 1000 DEG C in retort furnace, then 250 DEG C are cooled to be incubated 2 hours, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Sr 0.94moAl 2o 7: 0.06Tm 3+up-conversion phosphor.
Embodiment 10
Select purity be 99.99% powder, by BaO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.97:1:1:0.03 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 30 minutes, then calcination 3 hours at 900 DEG C in retort furnace, then 300 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Ba 0.97moAl 2o 7: 0.03Tm 3+up-conversion phosphor.
Embodiment 11
Select purity be 99.99% powder, by BaO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.998:1:1:0.002 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 2 hours at 850 DEG C in retort furnace, then 300 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Ba 0.998moAl 2o 7: 0.002Tm 3+up-conversion phosphor.
Embodiment 12
Select purity be 99.99% powder, by BaO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.94:1:1:0.06 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 3 hours at 1000 DEG C in retort furnace, then 250 DEG C are cooled to be incubated 2 hours, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Ba 0.94moAl 2o 7: 0.06Tm 3+up-conversion phosphor.
Embodiment 13
Select purity be 99.99% powder, by ZnO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.97:1:1:0.03 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 30 minutes, then calcination 3 hours at 900 DEG C in retort furnace, then 300 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Zn 0.97moAl 2o 7: 0.03Tm 3+up-conversion phosphor.
Embodiment 14
Select purity be 99.99% powder, by ZnO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.998:1:1:0.002 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 2 hours at 850 DEG C in retort furnace, then 300 DEG C are cooled to be incubated 0.5 hour, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Zn 0.998moAl 2o 7: 0.002Tm 3+up-conversion phosphor.
Embodiment 15
Select purity be 99.99% powder, by ZnO, MoO 3, Al 2o 3and Tm 2o 3powder is that 0.94:1:1:0.06 mixes according to mol ratio, in corundum mortar, grinding makes its Homogeneous phase mixing in 60 minutes, then calcination 3 hours at 1000 DEG C in retort furnace, then 250 DEG C are cooled to be incubated 2 hours, furnace cooling takes out to room temperature again, obtain block materials, can obtain chemical general formula after pulverizing is Zn 0.94moAl 2o 7: 0.06Tm 3+up-conversion phosphor.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 doping molybdenum aluminate glass up-conversion luminescent material, is characterized in that: its chemical general formula is Me 1-xmoAl 2o 7: xTm 3+, wherein, x is that 0.002 ~ 0.06, Me is selected from magnesium elements, calcium constituent, strontium element, at least one in barium element and zinc element.
2. thulium doping molybdenum aluminate glass up-conversion luminescent material according to claim 1, it is characterized in that, described x is 0.03.
3. a preparation method for thulium doping molybdenum aluminate glass up-conversion luminescent material, is characterized in that, comprise the following steps:
Step one, according to Me 1-xmoAl 2o 7: xTm 3+the stoichiometric ratio of each element takes MeO, MoO 3, Al 2o 3and Tm 2o 3powder, wherein, x is that 0.002 ~ 0.06, MeO is selected from magnesium oxide, calcium oxide, strontium oxide, at least one in barium oxide and zinc oxide;
Step 2, the powder taken mixed obtain presoma in described step one;
Step 3, by the calcination 0.5 hour ~ 5 hours at 800 DEG C ~ 1100 DEG C of described presoma,
Step 4, the precursor after process in described step 3 is cooled to 100 DEG C ~ 300 DEG C, then be incubated 0.5 hour ~ 3 hours, cool to room temperature, obtaining chemical general formula is Me 1-xmoAl 2o 7: xTm 3+thulium doping molybdenum aluminate glass up-conversion luminescent material.
4. the preparation method of thulium doping molybdenum aluminate glass up-conversion luminescent material according to claim 3, is characterized in that, described MeO, MoO 3, Al 2o 3and Tm 2o 3the each component molar of powder is than being (0.998 ~ 0.94): 1:(0.002 ~ 0.06).
5. the preparation method of thulium doping molybdenum aluminate glass up-conversion luminescent material according to claim 3, is characterized in that, described MeO, MoO 3, Al 2o 3and Tm 2o 3the each component molar of powder is than being 0.97:1:0.03.
6. the preparation method of thulium doping molybdenum aluminate glass up-conversion luminescent material according to claim 3, is characterized in that, described in step 2, mixing is that described powder is ground 20 minutes ~ 60 minutes in corundum alms bowl.
7. the preparation method of thulium doping molybdenum aluminate glass up-conversion luminescent material according to claim 3, is characterized in that, by the calcination 3 hours at 950 DEG C of described presoma in step 3.
8. the preparation method of thulium doping molybdenum aluminate glass up-conversion luminescent material according to claim 3, it 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, be dispersed with thulium doping molybdenum aluminate glass up-conversion luminescent material in described transparent encapsulated layer, the chemical formula of described thulium doping molybdenum aluminate glass up-conversion luminescent material is Me 1-xmoAl 2o 7: xTm 3+, wherein, x is that 0.002 ~ 0.06, Me is selected from magnesium elements, calcium constituent, strontium element, at least one in barium element and zinc element.
10. Organic Light Emitting Diode according to claim 9, is characterized in that, described x is 0.03.
CN201310578212.3A 2013-11-18 2013-11-18 Thulium-doped molybdenum aluminate up-conversion luminescent material, preparation method and application thereof Pending CN104650880A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111170633A (en) * 2020-01-20 2020-05-19 广东工业大学 Thulium-ytterbium co-doped phosphate up-conversion luminescent glass and preparation method and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111170633A (en) * 2020-01-20 2020-05-19 广东工业大学 Thulium-ytterbium co-doped phosphate up-conversion luminescent glass and preparation method and application thereof

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