CN104119877A - Strontium terbium aluminate luminescent material and preparation method thereof - Google Patents

Strontium terbium aluminate luminescent material and preparation method thereof Download PDF

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CN104119877A
CN104119877A CN201310150678.3A CN201310150678A CN104119877A CN 104119877 A CN104119877 A CN 104119877A CN 201310150678 A CN201310150678 A CN 201310150678A CN 104119877 A CN104119877 A CN 104119877A
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luminescent material
preparation
strontium aluminate
terbium
nanoparticle
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周明杰
王荣
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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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Abstract

The invention belongs to the field of luminescent materials, and discloses a strontium terbium aluminate luminescent material and a preparation method thereof. The chemical general formula of the luminescent material is Sr1-xAl2O4:Tbx,My, wherein M is a doping metal nanoparticle and is at least one selected from Ag, Au, Pt, Pd and Cu metal nanoparticles, x is the molar quantity of Tb atom replacing Sr atom, 0<x<=0.1, y is the molar ratio of M to Al, and 0<y<=1*10<-2>. According to the provided strontium terbium aluminate luminescent material, because of introduction of M metal particle, doping of the M metal nanoparticle helps to enhance luminescence of fluorescent powder, and enables the luminescent efficiency of the strontium aluminate red luminescent material at a same excitation condition to be greatly improved.

Description

A kind of strontium aluminate terbium luminescent material and preparation method thereof
Technical field
The present invention relates to field of light emitting materials, relate in particular to a kind of strontium aluminate terbium luminescent material and preparation method thereof.
Background technology
Field Emission Display (FED) is a kind of flat panel display that has very much development potentiality.The operating voltage of field emission display is lower than the operating voltage of cathode tube (CRT), be conventionally less than 5kV, and working current density is relatively large, generally at 10～100 μ Acm -2.Therefore, higher to the requirement of the luminescent powder for Field Emission Display, as to have better saturation, luminous efficiency under low voltage higher and at close DEG C of high electric current without luminance saturation phenomenon etc.At present, the research of Field Emission Display luminescent powder is mainly concentrated on to two aspects: the one, utilize and improve existing cathode tube luminescent powder; The 2nd, find new luminescent material.Commercial cathodoluminescence powder, taking sulfide as main, in the time being used for fabricating yard emission display screen, because sulphur wherein can react with Microamounts of Mo, silicon or germanium etc. in negative electrode, thereby having subtracted its electron emission, and then has affected the performance of whole device.Exist potential using value in luminescent material Application Areas.
Strontium aluminate terbium chemical stability and thermostability are all very good, exist potential using value, but it are lower in cathodoluminescence efficiency in luminescent material Application Areas, have limited the application in field emission light source.
Summary of the invention
The strontium aluminate terbium luminescent material that provides a kind of luminous efficiency high is provided problem to be solved by this invention.
Technical scheme of the present invention is as follows:
A kind of strontium aluminate terbium luminescent material, its chemical general formula is Sr 1-xal 2o 4: Tb x, M y; Wherein, M is metal nano particle-doped, be selected from least one in Ag, Au, Pt, Pd, Cu, x is the mole number that Tb atom replaces Sr atom, the span of x is 0 < x≤0.1, y be M with Al mole ratio, y span is 0 < y≤1 × 10 -2; Sr 1-xal 2o 4: Tb xfor luminescent material, Tb exists with ionic species, is light emitting ionic center, and colon ": " is Tb doping.
Described strontium aluminate terbium luminescent material, preferably, the span of x is 0.001≤x≤0.05, y span is 1 × 10 -5≤ y≤5 × 10 -3.
The present invention also provides the preparation method of above-mentioned strontium aluminate terbium luminescent material, comprises the steps:
By after the auxiliary agent and reductive agent hybrid reaction of the salts solution of M, a dissemination, obtain M nanoparticle sol;
According to Sr 1-xal 2o 4: Tb x, M yin M and the mol ratio of Al, take aluminium oxide Al 2o 3aerogel is dissolved in M nanoparticle sol, stirs 0.5～3h, then supersound process at 50～75 DEG C, dry at 60-150 DEG C again, by even dried former abrasive lapping, at 600～1300 DEG C, calcine 0.5～4h, can prepare the Al that contains M nanoparticle 2o 3aerogel;
According to Sr 1-xal 2o 4: Tb x, M yin each element chemistry metering ratio, the Al that takes the each self-corresponding compound of Sr and Tb and contain M nanoparticle 2o 3aerogel, ground and mixed is even, in tube furnace, under 1100 DEG C～1500 DEG C reducing atmospheres, reacts 1～12 hour, and furnace cooling is cooled to room temperature, and obtained sample is ground to powder, and obtaining chemical general formula is Sr 1-xal 2o 4: Tb x, M ystrontium aluminate terbium luminescent material;
In above-mentioned steps, M is metal nano particle-doped, be selected from least one in Ag, Au, Pt, Pd, Cu, x is the mole number that Tb atom replaces Sr atom, the span of x is 0 < x≤0.1, y be M with Al mole ratio, y span is 0 < y≤1 × 10 -2; Sr 1-xal 2o 4: Tb x, M yin colon ": " represent Tb doping.
The preparation method of described strontium aluminate terbium luminescent material, preferably, the concentration of the salts solution of described M is 0.8 × 10 -4mol/L～1 × 10 -2mol/L.
The preparation method of described strontium aluminate terbium luminescent material, preferably, described auxiliary agent is at least one in polyethylene arsenic pyrrolidone, Trisodium Citrate, cetyl trimethylammonium bromide, sodium lauryl sulphate or sodium laurylsulfonate, and the content of the addition of auxiliary agent in the metal nanoparticle colloidal sol finally obtaining is 1 × 10 -4g/mL～5 × 10 -2g/mL.
The preparation method of described strontium aluminate terbium luminescent material, preferably, described reductive agent is at least one in hydrazine hydrate, xitix, Trisodium Citrate or sodium borohydride, the mol ratio of the addition of reductive agent and M nanoparticle is 0.5:1～10:1; In practical application, reductive agent need to be prepared or is diluted to concentration is 1 × 10 -4the aqueous solution of mol/L～1mol/L.
The preparation method of described strontium aluminate terbium luminescent material, preferably, auxiliary agent and the reductive agent hybrid reaction of the salts solution of M, a dissemination are 10min～45min.
The preparation method of described strontium aluminate terbium luminescent material, preferably, oxide compound, nitrate, carbonate, acetate or oxalate that the each self-corresponding compound of Sr and Tb is Sr and Tb.
The preparation method of described strontium aluminate terbium luminescent material, preferably, described reducing atmosphere adopts the N that volume ratio is 95:5 2with H 2mix reducing atmosphere and (be expressed as 95v%N 2+ 5v%H 2), carbon reducing agent atmosphere, H 2one in reducing atmosphere.
The preparation method of described strontium aluminate terbium luminescent material, preferably, x span is 0.001≤x≤0.05, y span is 1 × 10 -5≤ y≤5 × 10 -3.
Strontium aluminate terbium luminescent material provided by the invention, owing to having introduced M metallics, strengthen light-emitting phosphor by doping M metal nanoparticle, the luminous efficiency of strontium aluminate terbium luminescent material under same shooting conditions is greatly improved, and prepared strontium aluminate terbium luminescent material have good stability.
The preparation method of strontium aluminate terbium luminescent material provided by the invention, first prepares M metal nanoparticle, then adopts alumina aerogels adsorbing metal nanoparticle, obtains including the Al of metal nanoparticle 2o 3alumina aerogels, and then prepare metal nano particle-doped aluminate luminescent material taking the alumina aerogels that includes metallics as raw material, prepared is like this luminescent material doped with metal nanoparticle.Meanwhile, preparation method's technique of the present invention is simple, equipment requirements is low, pollution-free, be easy to control, be suitable for suitability for industrialized production.
Brief description of the drawings
The luminescent spectrum comparison diagram that Fig. 1 is the luminescent material prepared of embodiment 3 and comparative example luminescent material under the exciting of wavelength 231nm; Wherein, curve 1 is the Sr of embodiment 3 metal nano particle-doped Ag 0.98al 2o 4: Tb 0.02, Ag 2.5 × 10-4the luminescent spectrum of luminescent material, curve 2 is the not metal nano particle-doped Sr of comparative example 0.98al 2o 4: Tb 0.02the luminescent spectrum of luminescent material.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in further detail.
Embodiment 1
High temperature solid-state method is prepared Sr 0.999al 2o 4: Tb 0.001, Pd 1 × 10-5:
The preparation of Pd nanoparticle sol: take 0.22mg Palladous chloride (PdCl 22H 2o) be dissolved in the deionized water of 10mL; After Palladous chloride dissolves completely, take 11.0mg Trisodium Citrate and 4.0mg sodium lauryl sulphate, and be dissolved in palladium chloride aqueous solution under the environment of magnetic agitation; Take 0.38mg sodium borohydride molten in 100mL deionized water, obtaining concentration is 1 × 10 -4the sodium borohydride reduction liquid of mol/L; Under the environment of magnetic agitation, in palladium chloride aqueous solution, add fast 10mL1 × 10 -4sodium borohydride aqueous solution, afterwards continue reaction 20min, obtaining 20mL Pd content is 5 × 10 -5the Pd nanoparticle sol of mol/L.
Take alumina aerogels 0.7647g, be dissolved into 3ml and contain 5 × 10 -5in mol/L Pd nanoparticle sol, at 50 DEG C, stir 3h, then ultrasonic 10min, then 60 DEG C dry, dried sample is ground evenly, precalcining 4h at 600 DEG C, obtains the alumina aerogels that contains metallics Pd, wherein y is 1 × 10 -5.
Sr 0.999al 2o 4: Tb 0.001, Pd 1 × 10-5preparation: then take SrC 2o 40.3509g, Tb 2(C 2o 4) 30.0012g and the Al that contains metal nanoparticle Pd 2o 3aerogel 0.2039g, is placed in agate mortar and is fully ground to and mixes, then by powder transfer in corundum crucible, in tube furnace, 1500 DEG C of sintering 1h reduction under the reducing atmosphere of carbon dust, is cooled to room temperature, can obtain the Sr of doping Pd nanoparticle 0.999al 2o 4: Tb 0.001, Pd 1 × 10-5luminescent material.
Embodiment 2
High temperature solid-state method is prepared Sr 0.9al 2o 4: Tb 0.1, Au 1 × 10-2:
The preparation of Au nanoparticle sol: take 41.2mg hydrochloro-auric acid (AuCl 3hCl4H 2o) be dissolved in the deionized water of 10mL; After hydrochloro-auric acid dissolves completely, take 14mg Trisodium Citrate and 6mg cetyl trimethylammonium bromide, and be dissolved in aqueous solution of chloraurate under the environment of magnetic agitation; Take 3.8mg sodium borohydride and 17.6mg xitix is dissolved into respectively in 10mL deionized water, obtaining 10mL concentration is 1 × 10 -2the sodium borohydride aqueous solution of mol/L and 10mL concentration are 1 × 10 -2the aqueous ascorbic acid of mol/L; Under the environment of magnetic agitation, first in aqueous solution of chloraurate, add 5mL sodium borohydride aqueous solution, after stirring reaction 5min, in aqueous solution of chloraurate, add 5mL1 × 10 again -2the aqueous ascorbic acid of mol/L, continues reaction 30min afterwards, and obtaining 20mLAu content is 5 × 10 -3the Au nanoparticle sol of mol/L.
Take alumina aerogels 0.3824g, be dissolved into 15ml and contain 5 × 10 -3in mol/L Au nanoparticle sol, at 65 DEG C, stir 1.5h, then ultrasonic 10min, then 120 DEG C dry, dried sample is ground evenly, precalcining 2h at 1100 DEG C, obtains the alumina aerogels that contains metal nanoparticle Au, wherein y is 1 × 10 -2.
Sr 0.9al 2o 4: Tb 0.1, Au 1 × 10-2preparation: then take SrCO 30.2657g, Tb 2(CO 3) 30.0996g and the Al that contains metal nanoparticle Au 2o 3aerogel 0.2039g, is placed in agate mortar and is fully ground to and mixes, then by powder transfer in corundum crucible, 95v%N in tube furnace 2+ 5v%H 2the lower 1000 DEG C of sintering 12h reduction of reducing atmosphere, is cooled to room temperature, the Sr of the Au nanoparticle that can obtain adulterating 0.9al 2o 4: Tb 0.1, Au 1 × 10-2luminescent material.
Embodiment 3
High temperature solid-state method legal system is for Sr 0.98al 2o 4: Tb 0.02, Ag 2.5 × 10-4:
The preparation of Ag nanoparticle sol: take 3.4mg Silver Nitrate (AgNO 3) be dissolved in the deionized water of 18.4mL; After Silver Nitrate dissolves completely, take 42mg Trisodium Citrate and be dissolved in silver nitrate aqueous solution under the environment of magnetic agitation; Take 5.7mg sodium borohydride molten in 10mL deionized water, obtaining 10mL concentration is 1.5 × 10 -2the sodium borohydride aqueous solution of mol/L; Under the environment of magnetic agitation, toward disposable 1.6mL1.5 × 10 that add in silver nitrate aqueous solution -2the sodium borohydride aqueous solution of mol/L, continues reaction 10min afterwards, and obtaining 20mL Ag content is 1 × 10 -3the Ag nanoparticle sol of mol/L.
Take alumina aerogels 0.2549g, be dissolved into 1.25ml and contain 1 × 10 -3in mol/L Ag nanoparticle sol, at 60 DEG C, stir 2h, then ultrasonic 10min, then 80 DEG C dry, dried sample is ground evenly, precalcining 2h at 800 DEG C, obtains the alumina aerogels that contains metal nanoparticle Ag, wherein y is 2.5 × 10 -4.
Sr 0.98al 2o 4: Tb 0.02, Ag 2.5 × 10-4preparation: then take SrCO 30.2894g, Tb 4o 70.0149g and the Al that contains metal nanoparticle Ag 2o 3aerogel 0.2039g, is placed in agate mortar and is fully ground to and mixes, then by powder transfer in corundum crucible, in tube furnace at 95v%N 2+ 5v%H 2the lower 1250 DEG C of sintering 4h reduction of reducing atmosphere, is cooled to room temperature, the Sr of the Ag nanoparticle that can obtain adulterating 0.98al 2o 4: Tb 0.02, Ag 2.5 × 10-4luminescent material.
The luminescent spectrum comparison diagram that Fig. 1 is the luminescent material prepared of embodiment 3 and comparative example luminescent material under the exciting of wavelength 231nm; Wherein, curve 1 is the Sr of embodiment 3 metal nano particle-doped Ag 0.98al 2o 4: Tb 0.02, Ag 2.5 × 10-4the luminescent spectrum of luminescent material, curve 2 is the not metal nano particle-doped Sr of comparative example 0.98al 2o 4: Tb 0.02the luminescent spectrum of luminescent material.
As can be seen from Figure 1,, at the emission peak at 546nm place, the luminous intensity of metal nano particle-doped rear luminescent material has strengthened 26% before not adulterating.
Embodiment 4
High temperature solid-state method is prepared Sr 0.95al 2o 4: Tb 0.05, Pt 5 × 10-3:
Preparation containing Pt nanoparticle sol: take 25.9mg Platinic chloride (H 2ptCl 66H 2o) be dissolved in the deionized water of 17mL; Under the condition of magnetic agitation, 400mg Trisodium Citrate and 600mg sodium laurylsulfonate are dissolved in above-mentioned platinum acid chloride solution; Take 1.9mg sodium borohydride and be dissolved in 10mL deionized water, obtaining concentration is 5 × 10 -3the sodium borohydride solution of mol/L; Prepare 10mL concentration is 5 × 10 simultaneously -2the hydrazine hydrate solution of mol/L; Under the condition of magnetic agitation, first in above-mentioned platinum acid chloride solution, drip the above-mentioned sodium borohydride solution of 0.4mL, after reaction 5min, then add the above-mentioned hydrazine hydrate solution of 2.6mL in above-mentioned platinum acid chloride solution, continue reaction 40min, obtaining 20mL Pt nanoparticle concentration is 2.5 × 10 -3the colloidal sol of mol/L.
Take alumina aerogels 0.3824g, be dissolved into 15ml and contain 2.5 × 10 -3in mol/L Pt nanoparticle sol, at 75 DEG C, stir 0.5h, then ultrasonic 10min, be dried at 150 DEG C again, dried sample ground evenly to precalcining 0.5h at 1200 DEG C, obtain the alumina aerogels that contains metal nanoparticle Pt, wherein y is 5 × 10 -3.
Sr 0.95al 2o 4: Tb 0.05, Pt 5 × 10-3preparation: take Sr (CH 3cOO) 20.3908g, Tb (CH 3cOO) 30.0660g and the Al that contains metal nanoparticle Pt 2o 3aerogel 0.2039g, is placed in agate mortar and is fully ground to and mixes, then by powder transfer in corundum crucible, in tube furnace at pure H 2the lower 1300 DEG C of sintering 6h reduction of reducing atmosphere, is cooled to room temperature, the Sr of the Pt nanoparticle that can obtain adulterating 0.95al 2o 4: Tb 0.05, Pt 5 × 10-3luminescent material.
Embodiment 5
High temperature solid-state method is prepared Sr 0.99al 2o 4: Tb 0.01, Cu 1 × 10-4:
The preparation of Cu nanoparticle sol: take in the ethanol that 1.6mg cupric nitrate is dissolved into 16mL, after dissolving completely, stir while add 2mg PVP, then slowly splash into 0.4mg sodium borohydride molten to obtain in 10mL ethanol 1 × 10 -3the sodium borohydride alcoholic solution 4mL of mol/L, continues stirring reaction 10min, obtains 20mL4 × 10 -4the Cu nanoparticle sol of mol/L.
Take alumina aerogels 0.7647g, be dissolved into 3.75ml4 × 10 -4in the Cu nanoparticle sol of mol/L, at 65 DEG C, stir 1.5h, then ultrasonic 10min, then 120 DEG C dry, dried sample is ground evenly, precalcining 3h at 900 DEG C, obtains the alumina aerogels that contains metal nanoparticle Cu, wherein y is 1 × 10 -4.
Sr 0.99al 2o 4: Tb 0.01, Cu 1 × 10-4preparation: take SrO0.2052g, Tb 4o 70.0075g and the Al that contains metal nanoparticle Pt 2o 3aerogel 0.2039g, is placed in agate mortar and is fully ground to and mixes, then by powder transfer in corundum crucible, in tube furnace at 95v%N 2+ 5v%H 2the lower 1400 DEG C of sintering 3h reduction of reducing atmosphere, is cooled to room temperature, can obtain the Sr of doped with Cu nanoparticle 0.99al 2o 4: Tb 0.01, Cu 1 × 10-4luminescent material.
Embodiment 6
High temperature solid-state method is prepared Sr 0.96al 2o 4: Tb 0.04, (Ag 0.5/ Au 0.5) 1.25 × 10-3:
Ag 0.5/ Au 0.5the preparation of nanoparticle sol: take 6.2mg hydrochloro-auric acid (AuCl 3hCl4H 2and 2.5mg AgNO O) 3be dissolved in the deionized water of 28mL; After dissolving completely, take 22mg Trisodium Citrate and 20mgPVP, and under the environment of magnetic agitation, be dissolved in above-mentioned mixing solutions; Take freshly prepd 380mg sodium borohydride molten in 10mL deionized water, obtain the sodium borohydride aqueous solution that 10mL concentration is 1mol/L; Under the environment of magnetic agitation, toward the disposable sodium borohydride aqueous solution that adds 0.3mL1mol/L in above-mentioned mixing solutions, continue afterwards reaction 20min, obtaining the total metal concentration of 30mL is 1 × 10 -3the Ag/Au nanoparticle sol of mol/L.
Take alumina aerogels 0.7647g, be dissolved into 18.75ml and contain 1 × 10 -3in the Ag/Au nanoparticle sol of mol/L, at 60 DEG C, stir 2h, then ultrasonic 10min, be dried at 80 DEG C again, dried sample ground evenly to precalcining 4h at 1000 DEG C, obtain the alumina aerogels that contains metal nanoparticle Ag/Au, wherein y is 1.25 × 10 -3.
Sr 0.96al 2o 4: Tb 0.04, (Ag 0.5/ Au 0.5) 1.25 × 10-3preparation: get Sr (NO 3) 20.4063g, Tb (NO 3) 30.0552g and the Al that contains metal nanoparticle Ag/Au 2o 3aerogel 0.2039g, is placed in agate mortar and is fully ground to and mixes, then by powder transfer in corundum crucible, in tube furnace at 95v%N 2+ 5v%H 2the lower 1250 DEG C of sintering 4h reduction of reducing atmosphere, is cooled to room temperature, the Sr of the Ag/Au nanoparticle that can obtain adulterating 0.96al 2o 4: Tb 0.04, (Ag 0.5/ Au 0.5) 1.25 × 10-3luminescent material.
Should be understood that, the above-mentioned statement for preferred embodiment of the present invention is comparatively detailed, can not therefore think the restriction to scope of patent protection of the present invention, and scope of patent protection of the present invention should be as the criterion with claims.

Claims (10)

1. a strontium aluminate terbium luminescent material, is characterized in that, its chemical general formula is Sr 1-xal 2o 4: Tb x, M y; Wherein, M is metal nano particle-doped, be selected from least one in Ag, Au, Pt, Pd, Cu, x is the mole number that Tb atom replaces Sr atom, the span of x is 0 < x≤0.1, y be M with Al mole ratio, y span is 0 < y≤1 × 10 -2.
2. strontium aluminate terbium luminescent material according to claim 1, is characterized in that, the span of x is 0.001≤x≤0.05, and y span is 1 × 10 -5≤ y≤5 × 10 -3.
3. strontium aluminate terbium luminescent material according to claim 1, is characterized in that, comprises the one in following luminescent material:
Sr 0.999Al 2O 4:Tb 0.001,Pd 1×10-5；Sr 0.9Al 2O 4:Tb 0.1,Au 1×10-2；
Sr 0.98Al 2O 4:Tb 0.02,Ag 2.5×10-4；Sr 0.95Al 2O 4:Tb 0.05,Pt 5×10-3；Sr 0.99Al 2O 4:Tb 0.01,Cu 1×10-4；
Sr 0.96Al 2O 4:Tb 0.04,(Ag 0.5/Au 0.5) 1.25×10-3。
4. a preparation method for strontium aluminate terbium luminescent material, is characterized in that, comprises the steps:
By after the auxiliary agent and reductive agent hybrid reaction of the salts solution of M, a dissemination, obtain M nanoparticle sol;
According to Sr 1-xal 2o 4: Tb x, M yin M and the mol ratio of Al, take aluminium oxide Al 2o 3aerogel is dissolved in M nanoparticle sol, stirs 0.5～3h, then supersound process at 50～75 DEG C, dry at 60-150 DEG C again, by even dried former abrasive lapping, at 600～1300 DEG C, calcine 0.5～4h, can prepare the Al that contains M nanoparticle 2o 3aerogel;
According to Sr 1-xal 2o 4: Tb x, M yin each element chemistry metering ratio, the Al that takes the each self-corresponding compound of Sr and Tb and contain M nanoparticle 2o 3aerogel, ground and mixed is even, in tube furnace, under 1100 DEG C～1500 DEG C reducing atmospheres, reacts 1～12 hour, and furnace cooling is cooled to room temperature, and obtained sample is ground to powder, and obtaining chemical general formula is Sr 1-xal 2o 4: Tb x, M ystrontium aluminate terbium luminescent material;
In above-mentioned steps, M is metal nano particle-doped, be selected from least one in Ag, Au, Pt, Pd, Cu, x is the mole number that Tb atom replaces Sr atom, the span of x is 0 < x≤0.1, y be M with Al mole ratio, y span is 0 < y≤1 × 10 -2.
5. the preparation method of strontium aluminate terbium luminescent material according to claim 4, is characterized in that, the concentration of the salts solution of described M is 0.8 × 10 -4mol/L～1 × 10 -2mol/L.
6. the preparation method of strontium aluminate terbium luminescent material according to claim 4, it is characterized in that, described auxiliary agent is at least one in polyethylene arsenic pyrrolidone, Trisodium Citrate, cetyl trimethylammonium bromide, sodium lauryl sulphate or sodium laurylsulfonate, and the content of the addition of auxiliary agent in the metal nanoparticle colloidal sol finally obtaining is 1 × 10 -4g/mL～5 × 10 -2g/mL; Described reductive agent is at least one in hydrazine hydrate, xitix, Trisodium Citrate or sodium borohydride, and the mol ratio of the addition of reductive agent and M nanoparticle is 0.5:1～10:1.
7. the preparation method of strontium aluminate terbium luminescent material according to claim 4, is characterized in that, the salts solution of M, auxiliary agent and the reductive agent hybrid reaction of a dissemination are 10min～45min.
8. the preparation method of strontium aluminate terbium luminescent material according to claim 4, is characterized in that, oxide compound, nitrate, carbonate, acetate or oxalate that the each self-corresponding compound of Sr and Tb is Sr and Tb.
9. the preparation method of strontium aluminate terbium luminescent material according to claim 4, is characterized in that, described reducing atmosphere adopts the N that volume ratio is 95:5 2with H 2mix reducing atmosphere, carbon reducing agent atmosphere, H 2one in reducing atmosphere.
10. the preparation method of strontium aluminate terbium luminescent material according to claim 4, is characterized in that, x span is 0.001≤x≤0.05, and y span is 1 × 10 -5≤ y≤5 × 10 -3.
CN201310150678.3A 2013-04-26 2013-04-26 Strontium terbium aluminate luminescent material and preparation method thereof Pending CN104119877A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0920887A (en) * 1995-07-06 1997-01-21 Maruwa Kogyo Kk Formation of fluorescent article and phosphorescent fluorescent material layer
KR20060087301A (en) * 2005-01-28 2006-08-02 이영기 Low temperature synthesis method of phosphor
CN102477293A (en) * 2010-11-23 2012-05-30 海洋王照明科技股份有限公司 Electroluminescent material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0920887A (en) * 1995-07-06 1997-01-21 Maruwa Kogyo Kk Formation of fluorescent article and phosphorescent fluorescent material layer
KR20060087301A (en) * 2005-01-28 2006-08-02 이영기 Low temperature synthesis method of phosphor
CN102477293A (en) * 2010-11-23 2012-05-30 海洋王照明科技股份有限公司 Electroluminescent material and preparation method thereof

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Application publication date: 20141029