CN101831292A - Strontium aluminate luminous material and controllable synthesis method thereof - Google Patents
Strontium aluminate luminous material and controllable synthesis method thereof Download PDFInfo
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Abstract
The invention discloses a strontium aluminate luminous material and a controllable synthesis method thereof. According to the method, Al(NO3)3.9H2O, Sr(NO3)2, CO(NH2)2, C6H5Na3O7.2H2O, Eu2O3, Dy2O3 and HNO3 are used as raw materials. The method is a hydrothermal synthesis-calcining two-step method, and comprises the following steps of: (1) dissolving the Sr(NO3)2 and the Al(NO3)3.9H2O into distilled water respectively to form nitrate solution, taking the nitrate solution with metering, fully mixing the nitrate solution, then adding europium nitrate and dysprosium nitrate into the mixed nitrate solution, mixing the solution and CO(NH2)2 or surfactant in a certain ratio, placing the mixture into a closed reaction kettle, dissolving the mixture with stirring, and preserving the heat at certain temperature to obtain a precursor; and (2) filtering and drying the precursor, and annealing the precursor for several hours in an air atmosphere and a reducing atmosphere at different temperatures respectively to obtain the nano aluminate luminous material. The hydrothermal synthesis-calcining two-step method for preparing the strontium aluminate luminous material can effectively control the form and luminous color of the product; and the strontium aluminate luminous material has good dispersion property and expands the application field of luminous materials.
Description
Technical field
The present invention relates to a kind of preparation method of nano luminescent material, exactly is a kind of strontium aluminate luminous material.
Background technology
The doping with rare-earth ions inorganic phosphor can be applicable to the lamp decoration industry because their outstanding luminescent properties and application cause extensive concern, radiation dose, all many-sides such as x-ray imaging and colored demonstration.Compare with the luminescent material that with sulfide is substrate, the strontium aluminate salt of europium doped demonstrates satisfactory stability, and grow and the quantum yield advantages of higher time of persistence.At SrO-Al
2O
3System in, many non-stoichiometric compounds exist, as Sr
3Al
2O
6, SrAl
2O
4, Sr
4Al
4O
25, SrAl
4O
7And SrAl
12O
19The preparation present situation is the synthetic (SrCO of high temperature solid-state method at present
3And Al
2O
3), though the preparation method is simple, the product particle of producing preparation is thicker, luminous efficiency is not high; Product purity, luminescent properties that combustion method is produced preparation are still waiting to improve; The product particle that sol-gel method makes is tiny, even, but because colloidal sol is converted into gel time and needs 50-75 hour, the production cycle is long, be unfavorable for large-scale industrialization production.
Find that by literature search the chemical constitution that Chinese patent (publication number is CN1840610A) discloses a kind of strontium aluminate long-afterglow luminescent materials is Sr
2AAl
2BO
8: Eu
2+, Dy
3+, wherein, A is 1.5～3, B is 1.0; The preparation method adopts sol-gel method, in 80～100 ℃ of colloidal sols, again colloidal sol is dehydrated into gel, with annealing 2～4 hours in its protective gas under 1200～1400 ℃, makes red strontium aluminate long-afterglow material then.This preparation method can only make the long-afterglow material that glows; In addition, the annealed temperature is up to 1400 ℃, and this very easily influences the pattern characteristic of material.
Summary of the invention
The present invention aims to provide a strontium aluminate luminous material and the one gentle controllable synthesis method that a kind of pattern is controlled, glow color is controlled, to solve weak point of the prior art.
A kind of Nano strontium aluminate luminescent material is characterized in that:
The chemical formula of described luminescent material is: Sr
3-x-yAl
2O
6: x Eu
2+(Eu
3+), y Dy
3+(0＜x≤0.02,0＜y≤0.04); Wherein, Sr is a strontium, and Al is an aluminium, and O is an oxygen, Eu
2+(Eu
3+) be europium ion, Dy
3+Be dysprosium ion, promptly described luminescent material is the strontium aluminate of europium, dysprosium ion codoped.
The controllable synthesis method of described Nano strontium aluminate luminescent material is characterized in that synthesizing-the calcining two-step approach for hydro-thermal, is to reach the ingredient proportion operation according to the following steps:
(1) taking by weighing 0.005～0.007 molar nitric acid aluminium, 0.008～0.0095 molar nitric acid strontium, 0.000015～0.000025 molar nitric acid europium, 0.000025～0.000035 molar nitric acid dysprosium, 0.015～0.025 mole of urea is put in the reaction vessel, again to wherein adding 40～50 ml distilled waters, stirring and dissolving, above-mentioned solution is placed closed reaction kettle, obtained white product in 10～14 hours in 120 ℃～200 ℃ insulations;
(2) cooled white product is carried out filtration washing with distilled water and ethanol respectively, obtained presoma in 5～6 hours in 50～70 ℃ of dryings;
(3) with presoma under 900～1200 ℃ air atmosphere or reducing atmosphere in annealed 2～4 hours, make strontium aluminate luminous material.
The controllable synthesis method of described Nano strontium aluminate luminescent material is characterized in that it being to reach the ingredient proportion operation according to the following steps:
(1) taking by weighing 0.006 molar nitric acid aluminium, 0.009 molar nitric acid strontium, 0.00002 molar nitric acid europium, 0.00003 molar nitric acid dysprosium, 0.02 mole of urea is put in the reaction vessel, again to wherein adding 40～50 ml distilled waters, stirring and dissolving, above-mentioned solution is placed closed reaction kettle, obtained white product in 10～14 hours in 120 ℃～200 ℃ insulations;
(2) cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings;
(3) with presoma under 900～1200 ℃ air atmosphere or reducing atmosphere in annealed 2～4 hours, make strontium aluminate luminous material.
The controllable synthesis method of described Nano strontium aluminate luminescent material is characterized in that adding in the step (1) 0.03 mole of Trisodium Citrate, is spherical in order to the pattern of controlling strontium aluminate.
The controllable synthesis method of described Nano strontium aluminate luminescent material is characterized in that described aluminum nitrate, strontium nitrate, europium nitrate, Dysprosium trinitrate, urea, Trisodium Citrate select Al (NO respectively for use
3)
39H
2O, Sr (NO
3)
2, Eu (NO
3)
3, Dy (NO
3)
3, CO (NH
2)
2, C
6H
5Na
3O
72H
2O.
The controllable synthesis method of described Nano strontium aluminate luminescent material is characterized in that reducing atmosphere is the gas mixture that is made of 5-20% hydrogen and 80-95% argon gas.
Beneficial effect with respect to prior art is, one uses x-ray diffractometer to carry out material phase analysis to the luminescent material that makes, and from the x-ray diffraction pattern that obtains as can be known, the chemical formula of material consists of Sr
3Al
2O
6: Eu
2+(Eu
3+), Dy
3+They are two years old, use the field emission electron flying-spot microscope to carry out morphology analysis to the powder that makes, from the electromicroscopic photograph that obtains as can be known, the morphology change process of strontium aluminate material: presoma is when 900 ℃ of calcinings, sample is made up of many one dimension Nano structures, a large amount of cynapse length is arranged simultaneously on its surface; When increasing calcining temperature to 1000 ℃, cynapse begins to change into nanometer rod, forms new laminate structure; When continuing rising calcining temperature to 1100 ℃, laminate structure disappears, and some monodimension nano sticks defective occurred; Finally, in the time of 1200 ℃, obtained pure strontium aluminate luminous material in irregular shape; And the pattern of precursor: the presoma that does not add Trisodium Citrate is bar-shaped, and the presoma that adds Trisodium Citrate is spherical; Its three, the powder that makes is used the photoluminescence analysis, as can be known,, can send out the light of different colours on emission and the exciting light spectrogram with the material that different-waveband excites; Its four, hydrothermal synthesis method has reduced synthesis temperature than conventional sol-gel method, has saved energy consumption greatly; At last, the method for the synthetic preparation of hydro-thermal is easy, easy to operate, and cost is low.
Description of drawings
Below in conjunction with accompanying drawing optimal way of the present invention is described in further detail.
Under Fig. 1 air atmosphere, the luminescent material X-ray diffraction pattern of 900～1200 ℃ of roastings.Wherein, * represents Sr
3Al
2O
6(JCPDS Card No.24-1187), # represents SrCO
3(JCPDS Card No.05-0418) ， ﹠amp; The thing phase is not determined in representative.
Under Fig. 2 reducing atmosphere, the luminescent material X-ray diffraction pattern of 900～1200 ℃ of roastings.Wherein, * represents Sr
3Al
2O
6(JCPDS Card No.24-1187) ， ﹠amp; Represent SrCO
3(JCPDS Card No.05-0418), $ represents SrAl
2O
4(JCPDSCard No.34-0379), # represent Sr (OH)
2H
2O (JCPDS Card No.22-1222), the thing phase is not determined in the Ψ representative.
Under Fig. 3 air atmosphere, the luminescent material field emission electron flying-spot microscope photo of 900～1200 ℃ of roastings.
Under Fig. 4 reducing atmosphere, the luminescent material field emission electron flying-spot microscope photo of 900～1200 ℃ of roastings.
Fig. 5 add behind the Trisodium Citrate presoma field emission electron flying-spot microscope photo and at air and reducing atmosphere luminescent material field emission electron flying-spot microscope photo in 1200 ℃ of roastings of roasting.
Exciting and emmission spectrum figure of Fig. 6 red strontium aluminate luminescent material.
Exciting and emmission spectrum figure of Fig. 7 redness, green strontium aluminate luminous material.
Fig. 8 uses wavelength as 440nm and 430nm hernia lamp irradiation after 10 minutes to red illuminating material, the decay of afterglow curve that obtains.
Embodiment
Embodiment 1: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2Be put in the beaker, to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the air atmosphere of presoma under 900 ℃, make the strontium aluminate luminous material shown in Fig. 1 (a), Fig. 3 (a).
Embodiment 2: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2Be put in the beaker, to wherein adding 40～60 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the air atmosphere of presoma under 1000 ℃, make the strontium aluminate luminous material shown in Fig. 1 (b), Fig. 3 (b).
Embodiment 3: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2Be put in the beaker, to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the air atmosphere of presoma under 1100 ℃, make the strontium aluminate luminous material shown in Fig. 1 (c), Fig. 3 (c).
Embodiment 4: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2Be put in the beaker, to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, in 120～200 ℃ of insulations 10～14 hours, obtains white product.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained the presoma shown in Fig. 5 (a) in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the air atmosphere of presoma under 1200 ℃, make as Fig. 1 (d), Fig. 3 (d), Fig. 6 (a
2, b
2), shown in strontium aluminate luminous material.
Embodiment 5: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2Be put in the beaker, to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the reducing atmosphere of presoma under 900 ℃; Wherein, the gas mixture of reducing gas for being made of 5-20% hydrogen and 80-95% argon gas makes the strontium aluminate luminous material shown in Fig. 2 (a), Fig. 4 (a).
Embodiment 6: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2Be put in the beaker, to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the reducing atmosphere of presoma under 1000 ℃; Wherein, the gas mixture of reducing gas for being made of 5-20% hydrogen and 80-95% argon gas makes the strontium aluminate luminous material shown in Fig. 2 (b), Fig. 4 (b).
Embodiment 7: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2In beaker, to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the reducing atmosphere of presoma under 1100 ℃; Wherein, the gas mixture of reducing gas for being made of 5-20% hydrogen and 80-95% argon gas makes the strontium aluminate luminous material shown in Fig. 2 (c), Fig. 4 (c).
Embodiment 8: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2Be put in the beaker, to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the reducing atmosphere of presoma under 1200 ℃; Wherein, the gas mixture of reducing gas for being made of 5-20% hydrogen and 80-95% argon gas makes as Fig. 2 (d), Fig. 4 (d), Fig. 7 (a
3, a
4, b
3, b
4), the strontium aluminate luminous material shown in Fig. 8 (b).
Embodiment 9: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2, 0.03 mole of Trisodium Citrate C
6H
5Na
3O
72H
2O is put in the beaker, and to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol,, obtain the presoma shown in Fig. 5 (b) in 50～70 ℃ of dryings 5～6 hours.3), will anneal 2～4 hours in the air atmosphere of presoma under 1200 ℃, make as Fig. 1 (d), Fig. 5 (c), Fig. 6 (a
1, b
1) shown in strontium aluminate luminous material.
Embodiment 10: preparation process is as follows, 1), with 0.006 molar nitric acid aluminium Al (NO
3)
39H
2O, 0.009 molar nitric acid strontium Sr (NO
3)
2, 0.00002 molar nitric acid europium Eu (NO
3)
3, 0.00003 molar nitric acid dysprosium Dy (NO
3)
3, 0.02 mole of urea CO (NH
2)
2, 0.03 mole of Trisodium Citrate C
6H
5Na
3O
72H
2O is put in the beaker, and to wherein adding 40～50 ml distilled waters, stirring and dissolving places closed reaction kettle with above-mentioned solution again, obtains white product in 10～14 hours in 120～200 ℃ of insulations.2), cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings.3), will anneal 2～4 hours in the reducing atmosphere of presoma under 1200 ℃; Wherein, the gas mixture of reducing gas for being made of 5-20% hydrogen and 80-95% argon gas makes as Fig. 2 (d), Fig. 5 (d), Fig. 7 (a
1, a
2, b
1, b
2), the strontium aluminate luminous material shown in Fig. 8 (a).
Claims (6)
1. Nano strontium aluminate luminescent material is characterized in that:
The chemical formula of described luminescent material is: Sr
3-x-yAl
2O
6: x Eu
2+(Eu
3+), y Dy
3+(0＜x≤0.02,0＜y≤0.04); Wherein, Sr is a strontium, and Al is an aluminium, and O is an oxygen, Eu
2+(Eu
3+) be europium ion, Dy
3+Be dysprosium ion, promptly described luminescent material is the strontium aluminate of europium, dysprosium ion codoped.
2. the controllable synthesis method of Nano strontium aluminate luminescent material as claimed in claim 1 is characterized in that synthesizing-the calcining two-step approach for hydro-thermal, is to reach the ingredient proportion operation according to the following steps:
(1) taking by weighing 0.005～0.007 molar nitric acid aluminium, 0.008～0.0095 molar nitric acid strontium, 0.000015～0.000025 molar nitric acid europium, 0.000025～0.000035 molar nitric acid dysprosium, 0.015～0.025 mole of urea is put in the reaction vessel, again to wherein adding 40～50 ml distilled waters, stirring and dissolving, above-mentioned solution is placed closed reaction kettle, obtained white product in 10～14 hours in 120 ℃～200 ℃ insulations;
(2) cooled white product is carried out filtration washing with distilled water and ethanol respectively, obtained presoma in 5～6 hours in 50～70 ℃ of dryings;
(3) with presoma under 900～1200 ℃ air atmosphere or reducing atmosphere in annealed 2～4 hours, make strontium aluminate luminous material.
3. the controllable synthesis method of Nano strontium aluminate luminescent material as claimed in claim 2 is characterized in that it being to reach the ingredient proportion operation according to the following steps:
(1) taking by weighing 0.006 molar nitric acid aluminium, 0.009 molar nitric acid strontium, 0.00002 molar nitric acid europium, 0.00003 molar nitric acid dysprosium, 0.02 mole of urea is put in the reaction vessel, again to wherein adding 40～50 ml distilled waters, stirring and dissolving, above-mentioned solution is placed closed reaction kettle, obtained white product in 10～14 hours in 120 ℃～200 ℃ insulations;
(2) cooled white product is carried out filtration washing with distilled water and ethanol, obtained presoma in 5～6 hours in 50～70 ℃ of dryings;
(3) with presoma under 900～1200 ℃ air atmosphere or reducing atmosphere in annealed 2～4 hours, make strontium aluminate luminous material.
4. as the controllable synthesis method of claim 2 or 3 described Nano strontium aluminate luminescent materials, it is characterized in that adding in the step (1) 0.03 mole of Trisodium Citrate, is spherical in order to the pattern of controlling strontium aluminate.
5. as the controllable synthesis method of claim 2 or 3 described Nano strontium aluminate luminescent materials, it is characterized in that described aluminum nitrate, strontium nitrate, europium nitrate, Dysprosium trinitrate, urea, Trisodium Citrate select Al (NO respectively for use
3)
39H
2O, Sr (NO
3)
2, Eu (NO
3)
3, Dy (NO
3)
3, CO (NH
2)
2, C
6H
5Na
3O
72H
2O.
6. as the controllable synthesis method of claim 2 or 3 described Nano strontium aluminate luminescent materials, it is characterized in that reducing atmosphere is the gas mixture that is made of 5-20% hydrogen and 80-95% argon gas.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181292A (en) * | 2011-04-22 | 2011-09-14 | 杭州电子科技大学 | Method for reducing Eu-doped strontium aluminate luminous material through bombardment of electronic beams |
| CN104119874A (en) * | 2013-04-26 | 2014-10-29 | 海洋王照明科技股份有限公司 | Strontium aluminate luminescent material and preparation method thereof |
| CN104119872A (en) * | 2013-04-26 | 2014-10-29 | 海洋王照明科技股份有限公司 | Hollow-structure strontium aluminate luminescent material and preparation method thereof |
| CN108706869A (en) * | 2018-06-26 | 2018-10-26 | 东北大学秦皇岛分校 | A kind of Eu3+Doped strontium aluminate fluorescent glass and its preparation method and application |
| CN109020321A (en) * | 2018-08-25 | 2018-12-18 | 太和县鑫泰高科新型建筑材料有限公司 | A kind of preparation method of steel fibre-luminous concrete of rice-straw fibre enhancing expanded perlite |
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2010
- 2010-05-14 CN CN201010178393A patent/CN101831292A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| XIANG YING CHEN ET. AL.: "Controlled synthesis and luminescent properties of Eu2+(Eu3+),Dy3+-doped Sr3 Al2O6 by hydrothermal treatment and postannealing approach", 《JOURNAL OF SOLID STATE CHEMISTRY》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102181292A (en) * | 2011-04-22 | 2011-09-14 | 杭州电子科技大学 | Method for reducing Eu-doped strontium aluminate luminous material through bombardment of electronic beams |
| CN102181292B (en) * | 2011-04-22 | 2013-06-26 | 杭州电子科技大学 | Method for reducing Eu-doped strontium aluminate luminous material through bombardment of electronic beams |
| CN104119874A (en) * | 2013-04-26 | 2014-10-29 | 海洋王照明科技股份有限公司 | Strontium aluminate luminescent material and preparation method thereof |
| CN104119872A (en) * | 2013-04-26 | 2014-10-29 | 海洋王照明科技股份有限公司 | Hollow-structure strontium aluminate luminescent material and preparation method thereof |
| CN104119872B (en) * | 2013-04-26 | 2016-08-10 | 海洋王照明科技股份有限公司 | A kind of strontium aluminate luminous material of hollow structure and preparation method thereof |
| CN108706869A (en) * | 2018-06-26 | 2018-10-26 | 东北大学秦皇岛分校 | A kind of Eu3+Doped strontium aluminate fluorescent glass and its preparation method and application |
| CN108706869B (en) * | 2018-06-26 | 2021-09-24 | 东北大学秦皇岛分校 | Eu (Eu)3+Strontium aluminate doped fluorescent glass and preparation method and application thereof |
| CN109020321A (en) * | 2018-08-25 | 2018-12-18 | 太和县鑫泰高科新型建筑材料有限公司 | A kind of preparation method of steel fibre-luminous concrete of rice-straw fibre enhancing expanded perlite |
| CN112592715A (en) * | 2020-12-10 | 2021-04-02 | 北京印刷学院 | Strontium calcium aluminate doped europium luminescent material and preparation method and application thereof |
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