CN104119897A - Field emission green luminescent material and preparation method thereof - Google Patents

Field emission green luminescent material and preparation method thereof Download PDF

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Publication number
CN104119897A
CN104119897A CN201310150260.2A CN201310150260A CN104119897A CN 104119897 A CN104119897 A CN 104119897A CN 201310150260 A CN201310150260 A CN 201310150260A CN 104119897 A CN104119897 A CN 104119897A
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luminescent material
sry
green luminescent
transmitting green
preparation
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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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Priority to CN201310150260.2A priority Critical patent/CN104119897A/en
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Abstract

The invention belongs to the field of luminescent materials, and discloses a field emission green luminescent material and a preparation method thereof, the chemical general formula of the luminescent material is SrY2-xO4:Tbx,My; wherein M is at least one of Ag, Au, Pt, Pd and Cu, x is greater than 0 and less than or equal to 0.2, y is molar ratio of SrY2-xO4: Tbx, and y is greater than 0 and less than or equal to 1*10<-2>. By introduction of M metal particles, fluorescent powder luminescence can be increased by doping the M metal particles, and luminescence efficiency of the SrY2-xO4:Tbx luminescent material can be improved greatly in same excitation conditions.

Description

A kind of transmitting green 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 transmitting green luminescent material and preparation method thereof.
Background technology
The sixties in 20th century, Ken Shoulder has proposed the imagination based on field emission cathode array (FEAs) electron beam micro device, so utilize the research of FEAs Design and manufacture flat pannel display and light source device to cause people's very big interest.The principle of work of this novel feds is with similar with traditional cathode ray tube (CRT), that this kind of device all has potential advantage at aspects such as brightness, visual angle, time of response, operating temperature range, energy consumptions by luminous picture or the lighting use of being embodied as of beam bombardment red, green, blue three-color phosphor.
One of key factor of preparing premium properties feds is the preparation of high-performance fluorescent powder, and the luminous efficiency of existing FED green emitting phosphor is lower, has influence on the performance of field emission device.
Summary of the invention
The field transmitting green luminescent material that provides a kind of luminous efficiency higher is provided problem to be solved by this invention.
Technical scheme of the present invention is as follows:
A kind of transmitting green luminescent material, its chemical general formula is: SrY 2-xo 4: Tb x, M y; Wherein, M is metal nano particle-doped, is selected from least one in Ag, Au, Pt, Pd, Cu, and x is the mole number that Tb atom replaces Y atom, 0 < x≤0.2, and y is M and SrY 2-xo 4: Tb xmol ratio, 0 < y≤1 × 10 -2.
Described transmitting green luminescent material, preferably, 0.001≤x≤0.1,1 × 10 -5≤ y≤5 × 10 -3; SrY 2-xo 4: Tb xfor luminescent material, Tb exists with ionic species, is light emitting ionic center.
The present invention also provides the preparation method of above-mentioned transmitting green luminescent material, comprises the steps:
By auxiliary agent and the reductive agent hybrid reaction of the salts solution of M, a dissemination, make M nanoparticle sol;
According to SrY 2-xo 4: Tb x, M ythe stoichiometric ratio of middle element, measures Sr, Y, the Tb aqueous ethanolic solution of corresponding salt separately, and adds citric acid complexing agent and polyglycol surfactants, in 60～80 DEG C of stirrings, and add again M nanoparticle sol, and then stir 2～6h, obtain precursor sol; Wherein, the mol ratio of citric acid and Sr, Y, tri-kinds of ion sums of Tb is 1～5:1, and the concentration of polyoxyethylene glycol is 0.05～0.20g/mL;
Precursor sol is dried to 6～20h in 70～150 DEG C, after removing solvent with volatilization, obtain xerogel, grind xerogel, and by grind after xerogel powder in air atmosphere in 600～1000 DEG C of pre-burnings 2～12 hours, be cooled to room temperature, grind at the sample that pre-burning is obtained, and then sample is ground to powder 1000-1600 ° of C reduction calcining 1-8h in reducing atmosphere, be cooled to room temperature, obtaining chemical general formula is SrY 2-xo 4: Tb x, M yfield transmitting green luminescent material; Wherein, M is metal nano particle-doped, is selected from least one in Ag, Au, Pt, Pd, Cu, and x is the mole number that Tb atom replaces Y atom, 0 < x≤0.2, and y is M and SrY 2-xo 4: Tb xmol ratio, 0 < y≤1 × 10 -2.
The preparation method of described transmitting green luminescent material, preferably, the concentration of the salts solution of M is 1 × 10 -4mol/L～1 × 10 -2mol/L.
The preparation method of described transmitting green luminescent material, preferably, described auxiliary agent is at least one in polyethylene arsenic pyrrolidone, Trisodium Citrate, cetyl trimethylammonium bromide, sodium lauryl sulphate and sodium laurylsulfonate, and the content of the addition of described auxiliary agent in the M nanoparticle 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 and sodium borohydride, and the mol ratio of the addition of described reductive agent and M ion is 0.5:1～10:1, and in fact, also needing reductive agent to prepare or be diluted to concentration is 1 × 10 -4the aqueous solution of mol/L～1mol/L.
The preparation method of described transmitting green luminescent material, preferably, the salts solution of M, an auxiliary agent of dissemination and the time of reductive agent hybrid reaction are 10min～45min.
The preparation method of described transmitting green luminescent material, preferably, Sr, Y and Tb separately corresponding salt are respectively nitrate or the acetate of Sr, Y and Tb; In aqueous ethanolic solution, the volume ratio of second alcohol and water is 3～8:1.
Sr, Y and the Tb separately configuration of the aqueous ethanolic solution of corresponding salt are as follows:
Taking the oxide compound of Sr, Y and Tb and carbonate as raw material, be dissolved in nitric acid, then the mixing solutions that the volume ratio that adds second alcohol and water is 3～8:1, or taking the acetate of Sr, Y and Tb, nitrate as raw material, the mixing solutions that the volume ratio that is dissolved in second alcohol and water is 3～8:1.
The preparation method of described transmitting green luminescent material, preferably, the molecular weight of described polyoxyethylene glycol is 100-20000, is expressed as polyoxyethylene glycol 100-20000; More preferably, Macrogol 2000-10000.
The preparation method of described transmitting green luminescent material, preferably, the pre-burning of xerogel powder in air atmosphere is to carry out in high temperature box furnace or retort furnace; The reduction calcining that sample grinds powder is to carry out in tube furnace.
The preparation method of described transmitting green luminescent material, preferably, described reducing atmosphere is that volume ratio is the N of 95:5 2with H 2(95%N 2add 5%H 2) mix reducing atmosphere, CO reducing atmosphere, pure H 2at least one in reducing atmosphere.
The preparation method of described transmitting green luminescent material, preferably, 0.001≤x≤0.1,1 × 10 -5≤ y≤5 × 10 -3.
Provided by the invention transmitting green luminescent material, owing to having introduced M metallics, strengthens light-emitting phosphor by doping M metal nanoparticle, makes SrY 2o 4: the luminous efficiency of Tb luminescent material under same shooting conditions is greatly improved.
Preparation method of the present invention, processing step is few, relatively simple; Processing condition are not harsh, easily reach, and cost is low; Do not introduce other impurity, the luminescent material quality obtaining is high, can be widely used in the preparation of luminescent material.
Brief description of the drawings
Fig. 1 is that luminescent material and comparative example luminescent material prepared by embodiment 2 is the luminescent spectrum comparison diagram under the cathode-ray exciting under 1.5KV at acceleration voltage; Wherein, curve 1 is the SrY that is mixed with metal nanoparticle Ag prepared by embodiment 2 1.99o 4: Tb 0.01, Ag 2.5 × 10the luminescent spectrum of-4 luminescent materials, curve 2 is SrY that comparative example is not mixed with metal nanoparticle Ag 1.99o 4: Tb 0.01the 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
Sol-gel method is prepared SrY 1.9o 4: Tb 0.1, Pd 1 × 10-5
Preparation containing Pd nanoparticle sol: take 0.22mg Palladous chloride (PdCl 22H 2o) be dissolved in the deionized water of 10mL; Under the condition of magnetic agitation, 11.0mg Trisodium Citrate and 4.0mg sodium lauryl sulphate are dissolved in above-mentioned palladium chloride solution; Take 0.38mg sodium borohydride and be dissolved in 100mL deionized water, obtaining concentration is 1 × 10 -4the sodium borohydride solution of mol/L; Under the condition of magnetic agitation, in above-mentioned palladium chloride solution, add fast the above-mentioned sodium borohydride solution of 10mL, reaction 20min, obtaining 20mL Pd nanoparticle concentration is 5 × 10 -5the colloidal sol of mol/L.
According to SrY 1.9o 4: Tb 0.1, Pd 1 × 10the stoichiometric ratio of element in-5, takes 0.8227gSr (CH 3cOO) 2, 2.0214g Y (CH 3cOO) 3with 0.1320g Tb (CH 3cOO) 3be placed in container, then adding 50mL volume ratio is the mixing solutions of the second alcohol and water of 4:1, adds 2.3054g citric acid and 7.5g polyoxyethylene glycol 100 under 80 DEG C of stirring in water bath conditions, and after stirring, adding 0.8mL concentration is 5 × 10 -5the Pd nanoparticle sol of mol/L, then stir the precursor sol that obtains homogeneous transparent for 2 hours.
Precursor sol dry 20h solvent flashing at 70 DEG C is obtained to xerogel, again by the xerogel grind into powder obtaining, put into high temperature box furnace calcining at constant temperature 2h at 1000 DEG C, again in tube furnace under CO reducing atmosphere 1600 DEG C calcining 1h, be cooled to room temperature, can obtain the SrY of doping Pd nanoparticle 1.9o 4: Tb 0.1, Pd 1 × 10-5 transmitting green luminescent materials.
Embodiment 2
Sol-gel method is prepared SrY 1.99o 4: Tb 0.01, 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.
According to SrY 1.99o 4: Tb 0.01, Ag 2.5 × 10the stoichiometric ratio of element in-4, takes 0.8465g Sr (NO 3) 2, 2.1882g Y (NO 3) 3with 0.0138g Tb (NO 3) 3be placed in container, then adding 50mL volume ratio is the mixing solutions of the second alcohol and water of 8:1, adds 5.7636g citric acid and 5g PEG20000 under 70 DEG C of stirring in water bath conditions, and after stirring, adding 1mL concentration is 1 × 10 -3the Ag nanoparticle sol of mol/L, then stirs the precursor sol that obtains homogeneous transparent for 4 hours.
Precursor sol, in 120 DEG C of drying and volatilizing solvent 8h, is obtained to xerogel, grinds, be put in retort furnace in air in 800 DEG C of pre-burnings 6 hours, grind, then in tube furnace at 95%N 2add 5%H 2the lower 1300 DEG C of calcinings of weakly reducing atmosphere 4 hours, furnace cooling is cooled to room temperature, and obtained sample is ground to powder, obtains the SrY of metal nano particle-doped Ag 1.99o 4: Tb 0.01, Ag 2.5 × 10-4 transmitting green luminescent materials.
Fig. 1 is that luminescent material and comparative example luminescent material prepared by embodiment 2 is the luminescent spectrum comparison diagram under the cathode-ray exciting under 1.5KV at acceleration voltage; Wherein, curve 1 is the SrY that is mixed with metal nanoparticle Ag prepared by embodiment 2 1.99o 4: Tb 0.01, Ag 2.5 × 10the luminescent spectrum of-4 luminescent materials, curve 2 is SrY that comparative example is not mixed with metal nanoparticle Ag 1.99o 4: Tb 0.01the luminescent spectrum of luminescent material.
As can be seen from Figure 1,, at the emission peak at 545nm place, the luminous intensity of metal nano particle-doped rear luminescent material has strengthened 26% before not adulterating.
Embodiment 3
Sol-gel method is prepared SrY 1.8o 4: Tb 0.2, 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.
According to SrY 1.8o 4: Tb 0.2, Pt 5 × 10the stoichiometric ratio of element in-3, takes 0.5905g SrCO 3, 1.2882gY 2(CO 3) 3with 0.1991g Tb 2(CO 3) 3by the rare nitric acid heating for dissolving of 6mL in container, after cooling, adding 50mL volume ratio is the mixing solutions of the second alcohol and water of 3:1, adds 7.6848g citric acid and 11.2g Macrogol 200 under 65 DEG C of stirring in water bath conditions, and after stirring, adding 8mL concentration is 2.5 × 10 -3the Pt nanoparticle sol of mol/L, then stirs the precursor sol that obtains homogeneous transparent for 4 hours.
Precursor sol dry 8h solvent flashing at 100 DEG C is obtained to xerogel, then by the xerogel grind into powder obtaining, puts into high temperature box furnace calcining at constant temperature 8h at 700 DEG C, then in tube furnace at pure H 2the lower 1300 DEG C of calcining 6h of reducing atmosphere, are cooled to room temperature, the SrY of the Pt nanoparticle that can obtain adulterating 1.8o 4: Tb 0.2, Pt 5 × 10-3 transmitting green luminescent materials.
Embodiment 4
Sol-gel method is prepared SrY 1.999o 4: Tb 0.001, 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.
According to SrY 1.999o 4: Tb 0.001, Au 1 × 10the stoichiometric ratio of element in-2, takes 0.4145g SrO, 0.9027g Y 2o 3with 0.0007g Tb 4o 7by 2mL concentrated nitric acid and 3mL deionized water heating for dissolving in container, after cooling, adding 50mL volume ratio is the mixing solutions of the second alcohol and water of 3:1, adds 4.6108g citric acid and 5.5g Macrogol 2000 under 60 DEG C of stirring in water bath conditions, and after stirring, adding 8mL concentration is 5 × 10 -3the Au nanoparticle sol of mol/L, then stirs the precursor sol that obtains homogeneous transparent for 4 hours.
Precursor sol dry 6h solvent flashing at 150 DEG C is obtained to xerogel, by the xerogel grind into powder obtaining, put into high temperature box furnace calcining at constant temperature 4h at 900 DEG C again, then in the lower 1000 DEG C of calcining 8h of carbon reducing agent atmosphere, be cooled to room temperature, the SrY of the Au nanoparticle that can obtain adulterating 1.999o 4: Tb 0.001, Au 1 × 10-2 transmitting green luminescent materials.
Embodiment 5
Sol-gel method is prepared SrY 1.95o 4: Tb 0.05, 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.
According to SrY 1.95o 4: Tb 0.05, Cu 1 × 10the stoichiometric ratio of element in-4, takes 0.8465g Sr (NO 3) 2, 2.1442g Y (NO 3) 3with 0.0670g Tb (NO 3) 3be placed in container, then adding 50mL volume ratio is the mixing solutions of the second alcohol and water of 4:1, adds 11.5272g citric acid and 2.5g PEG 20000 under 60 DEG C of stirring in water bath conditions, and after stirring, adding 1mL concentration is 4 × 10 -4the Cu nanoparticle sol solution of mol/L, then stirs the precursor sol that obtains homogeneous transparent for 6 hours.
Precursor sol dry 15h solvent flashing at 80 DEG C is obtained to xerogel, then by the xerogel grind into powder obtaining, puts into high temperature box furnace calcining at constant temperature 12h at 600 DEG C, then in tube furnace at 95%N 2add 5%H 2the lower 1400 DEG C of calcining 3h of weakly reducing atmosphere, are cooled to room temperature, can obtain the SrY of doped with Cu nanoparticle 1.95o 4: Tb 0.05, Cu 1 × 10-4 transmitting green luminescent materials.
Embodiment 6
Sol-gel method is prepared SrY 1.997o 4: Tb 0.003, (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.
According to SrY 1.997o 4: Tb 0.003, (Ag 0.5/ Au 0.5) 1.25 × 10the stoichiometric ratio of element in-3, takes 0.4145gSrO, 0.9018g Y 2o 3with 0.0022g Tb 4o 7by 3mL concentrated nitric acid and 2mL deionized water heating for dissolving in container, after cooling, adding 50mL volume ratio is the mixing solutions of the second alcohol and water of 3:1, adds 3.8424g citric acid and 6.36g Macrogol 4000 under 70 DEG C of stirring in water bath conditions, and after stirring, adding 5mL concentration is 1 × 10 -3the Ag/Au nanoparticle sol of mol/L, then stirs the precursor sol that obtains homogeneous transparent for 4 hours.
Precursor sol dry 12h solvent flashing at 100 DEG C is obtained to xerogel, then by the xerogel grind into powder obtaining, puts into high temperature box furnace calcining at constant temperature 6h at 800 DEG C, then in tube furnace at 95%N 2add 5%H 2the lower 1450 DEG C of calcining 4h of weakly reducing atmosphere, are cooled to room temperature, the SrY of the Ag/Au nanoparticle that can obtain adulterating 1.997o 4: Tb 0.003, (Ag 0.5/ Au 0.5) 1.25 × 10-3 transmitting green luminescent materials.
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 field transmitting green luminescent material, is characterized in that, its chemical general formula is: SrY 2-xo 4: Tb x, M y; Wherein, M is metal nano particle-doped, is selected from least one in Ag, Au, Pt, Pd, Cu, and x is the mole number that Tb atom replaces Y atom, 0 < x≤0.2, and y is M and SrY 2-xo 4: Tb xmol ratio, 0 < y≤1 × 10 -2.
2. according to claim 1 transmitting green luminescent material, is characterized in that, 0.001≤x≤0.1,1 × 10 -5≤ y≤5 × 10 -3.
3. according to claim 1 transmitting green luminescent material, is characterized in that, comprises the one in following luminescent material:
SrY 1.9O 4:Tb 0.1,Pd 1×10-5；SrY 1.99O 4:Tb 0.01,Ag 2.5×10-4；SrY 1.8O 4:Tb 0.2,Pt 5×10-3；SrY 1.999O 4:Tb 0.001,Au 1×10-2；SrY 1.95O 4:Tb 0.05,Cu 1×10-4；SrY 1.997O 4:Tb 0.003,(Ag 0.5/Au 0.5) 1.25×10-3。
4. a preparation method for field transmitting green luminescent material, is characterized in that, comprises the steps:
By auxiliary agent and the reductive agent hybrid reaction of the salts solution of M, a dissemination, make M nanoparticle sol;
According to SrY 2-xo 4: Tb x, M ythe stoichiometric ratio of middle element, measures Sr, Y, the Tb aqueous ethanolic solution of corresponding salt separately, and adds citric acid complexing agent and polyglycol surfactants, in 60～80 DEG C of stirrings, and add again M nanoparticle sol, and then stir 2～6h, obtain precursor sol; Wherein, the mol ratio of citric acid and Sr, Y, tri-kinds of ion sums of Tb is 1～5:1, and the concentration of polyoxyethylene glycol is 0.05～0.20g/mL;
Precursor sol is dried to 6～20h in 70～150 DEG C, after removing solvent with volatilization, obtain xerogel, grind xerogel, and by grind after xerogel powder in air atmosphere in 600～1000 DEG C of pre-burnings 2～12 hours, be cooled to room temperature, grind at the sample that pre-burning is obtained, and then sample is ground to powder 1000-1600 ° of C reduction calcining 1-8h in reducing atmosphere, be cooled to room temperature, obtaining chemical general formula is SrY 2-xo 4: Tb x, M yfield transmitting green luminescent material; Wherein, M is metal nano particle-doped, is selected from least one in Ag, Au, Pt, Pd, Cu, and x is the mole number that Tb atom replaces Y atom, 0 < x≤0.2, and y is M and SrY 2-xo 4: Tb xmol ratio, 0 < y≤1 × 10 -2.
5. the preparation method of according to claim 4 transmitting green luminescent material, is characterized in that, the concentration of the salts solution of M is 1 × 10 -4mol/L～1 × 10 -2mol/L.
6. the preparation method of according to claim 4 transmitting green luminescent material, it is characterized in that, described auxiliary agent is at least one in polyethylene arsenic pyrrolidone, Trisodium Citrate, cetyl trimethylammonium bromide, sodium lauryl sulphate and sodium laurylsulfonate, and the content of the addition of described auxiliary agent in the M nanoparticle 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 and sodium borohydride, and the mol ratio of the addition of described reductive agent and M ion is 0.5:1～10:1; Salts solution, an auxiliary agent of dissemination and the time of reductive agent hybrid reaction of M are 10min～45min.
7. the preparation method of according to claim 4 transmitting green luminescent material, is characterized in that, Sr, Y and Tb separately corresponding salt are respectively nitrate or the acetate of Sr, Y and Tb; In aqueous ethanolic solution, the volume ratio of second alcohol and water is 3～8:1.
8. the preparation method of according to claim 4 transmitting green luminescent material, is characterized in that, the molecular weight of described polyoxyethylene glycol is 100-20000.
9. the preparation method of according to claim 4 transmitting green luminescent material, is characterized in that, described reducing atmosphere is that volume ratio is the N of 95:5 2with H 2mix reducing atmosphere, CO reducing atmosphere, pure H 2at least one in reducing atmosphere.
10. the preparation method of according to claim 4 transmitting green luminescent material, is characterized in that, 0.001≤x≤0.1,1 × 10 -5≤ y≤5 × 10 -3.
CN201310150260.2A 2013-04-26 2013-04-26 Field emission green luminescent material and preparation method thereof Pending CN104119897A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011156960A1 (en) * 2010-06-17 2011-12-22 海洋王照明科技股份有限公司 Strontium cerate luminous materials, preparation methods and use thereof
CN102399555A (en) * 2010-09-15 2012-04-04 海洋王照明科技股份有限公司 Aluminate fluorescent powder and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011156960A1 (en) * 2010-06-17 2011-12-22 海洋王照明科技股份有限公司 Strontium cerate luminous materials, preparation methods and use thereof
CN102399555A (en) * 2010-09-15 2012-04-04 海洋王照明科技股份有限公司 Aluminate fluorescent powder and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JIA ZHANG ET AL: "Vacuum Ultraviolet–Ultraviolet, X-Ray, and Near-Infrared Excited Luminescence Properties of SrR2O4:RE3+ (R = Y and Gd; RE = Tb, Eu, Yb, Tm, Er, and Ho)", 《J. AM. CERAM. SOC.》, vol. 95, 31 December 2012 (2012-12-31), pages 243 - 249 *

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Application publication date: 20141029