CN103275720A - Sodium lanthanum vanadate-based luminous material as well as preparation method and application thereof - Google Patents

Sodium lanthanum vanadate-based luminous material as well as preparation method and application thereof Download PDF

Info

Publication number
CN103275720A
CN103275720A CN2013101770061A CN201310177006A CN103275720A CN 103275720 A CN103275720 A CN 103275720A CN 2013101770061 A CN2013101770061 A CN 2013101770061A CN 201310177006 A CN201310177006 A CN 201310177006A CN 103275720 A CN103275720 A CN 103275720A
Authority
CN
China
Prior art keywords
sodium
ion
lanthanum
luminescent material
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013101770061A
Other languages
Chinese (zh)
Other versions
CN103275720B (en
Inventor
黄彦林
徐传艳
李亚东
袁蓓玲
关莹
秦琳
陶正旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Golute New Material Technology Co Ltd
Original Assignee
Suzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou University filed Critical Suzhou University
Priority to CN201310177006.1A priority Critical patent/CN103275720B/en
Publication of CN103275720A publication Critical patent/CN103275720A/en
Application granted granted Critical
Publication of CN103275720B publication Critical patent/CN103275720B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention relates to a sodium lanthanum vanadate-based luminous material as well as a preparation method and application thereof and belongs to the technical field of inorganic luminous materials. The luminous material is activated by rare earth europium ion Eu<3+> and has the chemical formula of Na3La8-xEuxV3O21, wherein x is the molar percent of Eu<3+> doping, and x is more than or equal to 0.0001 and less than or equal to 0.25. The pure-phase red fluorescent powder with excellent luminous performance is prepared by respectively employing a high-temperature solid state method and a hydrothermal method. The luminous material has strong stimulation in the range from 300nm to 450nm, is meshed with the transmitting wavelength of the near ultraviolet light-emitting diode (LED) chip, and the transmitting light is mainly the red light with the wavelength of 621nm. The prepared powder is high in purity, high in crystallinity and high in luminous strength; and the luminous material is simple in preparation process and low in equipment requirement and production cost and has wide application prospect.

Description

A kind of sodium lanthanum vanadate based luminescent material, preparation method and application thereof
Technical field
The present invention relates to a kind of europium ion Eu 3+The vanadate based luminescent material, preparation method and the application that activate belong to inorganic fluorescent material technical field.
Background technology
The rare-earth vanadate luminescent powder is a kind of important luminous host.Be luminescent material chemistry and the thermostability height of matrix with the rare-earth vanadate, in high voltage mercury lamp, plasma flat-plate demonstration and Field Emission Display, be widely used.The sixties in last century, emitting red light powder YVO 4: Eu is developed success, in order to replacing non-rare earth red fluorescent powder, and makes brightness improve 40%.But along with the expansion of modern science and technology and fluorescent material Application Areas, YVO 4: the Eu red fluorescence powder more and more can not satisfy the needs of development.For example, YVO 4: Eu is low near ultraviolet and blue region launching efficiency.
Chinese invention patent CN 101591540A " a kind of rare-earth vanadate LaVO 4: the preparation method of Eu red fluorescence powder " fluorescent material that a kind of vanadic acid lanthanum is mixed europium is disclosed, utilize microwave-hydrothermal method to prepare, it is low to have temperature of reaction, the advantage that the reaction times is short.Chinese invention patent CN 102191060A " a kind of vanadate fluorescent material and preparation method thereof " discloses a kind of fluorescent material of rear-earth-doped vanadic acid yttrium, and prepared fluorescent material is launched the ruddiness that centre wavelength is 615 nanometers under the exciting light of 314 nm.Among the Chinese invention patent CN 102399558A " a kind of vanadate red fluorescence powder, preparation method and application ", disclose the vanadate red fluorescence powder, its molecular formula is NaM IILa1 -x-y(VO 4) 2: Eu x, RI II y, M wherein IIBe alkaline-earth metal magnesium ion Mg 2+, calcium ion Ca 2+, strontium ion Sr 2+, barium ion Ba 2+With zine ion Zn 2+In a kind of, perhaps two or more combination, R IIIBe rare earth samarium ion Sm 3+, gadolinium ion Gd 3+, terbium ion Tb 3+, dysprosium ion Dy 3+, lutetium ion Lu 3+And ruthenium ion Y 3+In at least a, x is europium ion Eu 3+The molar percentage coefficient that mixes, 0.0001≤x≤0.6; Y is rare earth ion R IIIReplace lanthanum ion La 3+The molar percentage coefficient, 0.0001≤y≤0.6.In technique scheme, Eu 3+The red fluorescence powder of the vanadate matrix that activates is a little less than near ultraviolet and blue region absorption.
The result of study of existing document shows Eu 3+The rare-earth vanadate based luminescent material Na that activates 3La 8-xEu xV 3O 21Do not appear in the newspapers.
Summary of the invention
The present invention seeks in order to overcome Eu in the prior art 3+The vanadate red fluorescence powder that activates absorbs weak weak point near ultraviolet and blue region, provides a kind of degree of crystallinity height, luminous efficiency is remarkable, the preparation method is simple, sodium lanthanum vanadate based luminescent material, preparation method and the application thereof of environmental protection.
For reaching above goal of the invention, the technical solution used in the present invention provides a kind of sodium lanthanum vanadate based luminescent material, and its chemical formula is Na 3La 8-xEu xV 3O 21, wherein, x is Eu 3+Doping, 0.0001≤x≤0.25; Described luminescent material has strong exciting light near 300 nanometers and 450 nanometers, its emission light is near 621 nanometers red luminous.
A kind of method for preparing sodium lanthanum vanadate based luminescent material of the present invention is to adopt high temperature solid-state method, may further comprise the steps:
1. with contain composite and sodium ion composite, contain the compound of lanthanum ion, the compound that contains the compound of europium ion and contain vanadium ion is raw material, presses general formula Na 3La 8-xEu xV 3O 21, the stoichiometric ratio of corresponding element takes by weighing each raw material in 0.0001≤x≤0.25, mixes after the grinding;
2. be precalcining 1～2 time under 300～600 ℃, air atmosphere with the raw material that mixes in temperature, insulation 3～6 h are cooled to room temperature naturally;
Figure 2013101770061100002DEST_PATH_IMAGE002
Powder after the precalcining is fully ground, and under air atmosphere, with 1000～1200 ℃ temperature calcining, insulation 6～10h obtains a kind of europium ion Eu behind the naturally cooling 3+The sodium lanthanum vanadate based luminescent material Na that activates 3La 8-xEu xV 3O 21, wherein x is Eu 3+Doping, 0.0001≤x≤0.25.
Prepare in the technical scheme of sodium lanthanum vanadate based luminescent material at employing high temperature solid-state method of the present invention, the described composite and sodium ion composite that contains is one or more combination in yellow soda ash, sodium bicarbonate, SODIUMNITRATE, the sodium oxide.The described compound that contains europium ion is a kind of in europium sesquioxide, the europium nitrate, or two kinds combination.The described compound that contains vanadium ion is a kind of in Vanadium Pentoxide in FLAKES, the vanadous oxide, or two kinds combination.The described compound that contains lanthanum ion is a kind of in lanthanum trioxide, the lanthanum nitrate, or two kinds combination.
The method of another kind of preparation sodium lanthanum vanadate based luminescent material of the present invention is to adopt hydrothermal method, may further comprise the steps:
1. press general formula Na 3La 8-xEu xV 3O 21The stoichiometric ratio of middle corresponding element takes by weighing the oxide compound that contains lanthanum ion and europium ion, is that the concentrated nitric acid of 3～5 times of lanthanum atoms and europium atom is rare earth nitrate solution with two kinds of compound dissolutions with mole number, with the deionized water dilution of 5～10 times of volumes;
2. press general formula Na 3La 8-xEu xV 3O 21The stoichiometric ratio of middle corresponding element takes by weighing NaNO 3And NH 4VO 3, be to be dissolved in the water respectively under 50～70 ℃ the condition in temperature, be configured to NaNO 3And NH 4VO 3Solution;
3. under the magnetic agitation condition, with NaNO 3Solution and NH 4VO 3Solution joins in the rare earth nitrate solution that 1. step obtain, and the citric acid that adds mole number again and be 1～3 times of rare earth atom is complexing agent, obtains mixing solutions; The pH value of regulating mixing solutions with ammoniacal liquor and nitric acid is 5～8, stirs 1～2 h;
4. the solution that 3. step is obtained is poured in the reactor, adds deionized water and makes liquor capacity reach 70～80% of reactor volume, and the sealing back is to be incubated 4～8h under 170～200 ℃ the condition at oven temperature, and cooling obtains throw out by centrifugal treating; After throw out deionized water wash, oven dry, obtain a kind of europium ion Eu 3+The sodium lanthanum vanadate based luminescent material Na that activates 3La 8-xEu xV 3O 21, wherein x is Eu 3+Doping, 0.0001≤x≤0.25.
Technical solution of the present invention also comprises a kind of application of described sodium lanthanum vanadate based luminescent material, described luminescent material is cooperated with an amount of blueness and green emitting phosphor, apply and be packaged in outside ultraviolet and the blue-ray LED diode chip for backlight unit, preparation white light LEDs illuminating device.
Compare with the prior art scheme, the technical solution of the present invention advantage is:
1, with existing red vanadate fluorescent material such as YVO 4: Eu 3+, LaVO 4: Eu 3+Compare, red fluorescence powder by the technical solution of the present invention preparation has stronger exciting near near ultraviolet (300 nanometers) and near blue region (450 nanometers), it is cooperated with an amount of blueness and green emitting phosphor, apply and be packaged in outside ultraviolet and the blue-ray LED diode chip for backlight unit, preparation white light LEDs illuminating device.
2, with other sulfide Y 2O 2S:Eu 3+, halogenide etc. compares for the red fluorescence powder of substrate material, the preparation process of substrate material of the present invention is pollution-free, safety, environmental protection.
3, prepared powder degree of crystallinity height, chemistry and Heat stability is good, luminous efficiency obviously improves.
Description of drawings
Fig. 1 is the embodiment of the invention 1 prepared Na 3La 7.99Eu 0.01V 3O 21The X-ray powder diffraction spectrogram of material sample;
Fig. 2 is the embodiment of the invention 1 prepared Na 3La 7.99Eu 0.01V 3O 21The emmission spectrum figure that material sample monitors at ambient temperature;
Fig. 3 is the embodiment of the invention 2 prepared Na 3La 7.9Eu 0.1V 3O 21The X-ray powder diffraction spectrogram of material sample and the contrast of standard spectrogram;
Fig. 4 is the embodiment of the invention 2 prepared Na 3La 7.9Eu 0.1V 3O 21What material sample monitored at ambient temperature excites and emmission spectrum figure;
Fig. 5 is the embodiment of the invention 2 prepared Na 3La 7.9Eu 0.1V 3O 21The decay of luminescence graphic representation that material sample monitors at ambient temperature.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment technical solution of the present invention is described further.
Embodiment 1
According to chemical formula Na 3La 7.99Eu 0.01V 3O 21In the stoichiometric ratio of each element, take by weighing Na respectively 2CO 30.795 gram, La 2O 36.512 gram, Eu 2O 30.009 gram, V 2O 51.365 gram.In agate mortar, grind, and fully mix.The powder that mixes is carried out first time calcining under air atmosphere, temperature is 300 ℃, is incubated 3 h, takes out sample after being cooled to room temperature naturally.Powder after the calcining is for the first time fully ground in agate mortar again, carry out sintering second time under air atmosphere, temperature is 600 ℃, is incubated 6 h, be cooled to room temperature naturally after the taking-up sample grind again.To grind uniform powder 1000 ℃ of calcinings down, be incubated 6 h, finally obtain Na behind the naturally cooling 3La 7.99Eu 0.01V 3O 21Red luminescent phosphor.
Referring to accompanying drawing 1, it is the prepared Na of present embodiment 3La 7.99Eu 0.01V 3O 21The X-ray powder diffraction collection of illustrative plates of material sample.As seen from Figure 1, the prepared Na of present embodiment 3La 7.99Eu 0.01V 3O 21Material is that pure phase and degree of crystallinity are more complete.
Referring to accompanying drawing 2, it is the prepared Na of present embodiment 3La 7.99Eu 0.01V 3O 21The emmission spectrum figure that material sample monitors at ambient temperature.As shown in Figure 2, the prepared Na of present embodiment 3La 7.99Eu 0.01V 3O 21Material main based on 621 nanometers near wavelength red luminous, and luminous intensity is higher.
Embodiment 2
According to chemical formula Na 3La 7.9Eu 0.1V 3O 21In the stoichiometric ratio of each element, take by weighing 1.275 gram NaNO 3Be dissolved in the 30 ml water, take by weighing 1.755 g NH 4VO 3Dissolving is gone in the 40 ml water, and 50 ℃ of water-baths are configured to solution respectively; Take by weighing 6.439 gram La again 2O 3With 0.09 gram Eu 2O 3Being dissolved in 24 ml concentration is in the concentrated nitric acid of 2.5 mol/ml, and dilutes with deionized water; With NaNO 3And NH 4VO 3Solution slowly joins in the rare earth nitrate solution under the magnetic agitation, adds the 0.04mol citric acid again as complexing agent; Be 6 by rare nitric acid and ammoniacal liquor regulator solution PH, fully stir again after the deionized water dilution, getting the solution of reactor capacity 80 % pours in the hydrothermal reaction kettle, insulation 6 h in 180 ℃ of baking ovens, with the solution centrifugal taking precipitate that obtains, and obtain red fluorescence powder Na with oven dry behind the deionized water wash 3La 7.9Eu 0.1V 3O 21
Referring to accompanying drawing 3, it is the prepared Na of present embodiment 3La 7.9Eu 0.1V 3O 21The X-ray powder diffraction collection of illustrative plates of material sample and the comparison diagram of standard spectrum.As seen from Figure 3, the prepared Na of present embodiment 3La 7.9,Eu 0.1V 3O 21Material is that pure phase and degree of crystallinity are more complete.
Referring to accompanying drawing 4, it is the prepared Na of present embodiment 3La 7.9Eu 0.1V 3O 21What material sample monitored at ambient temperature excites and emmission spectrum figure.As shown in Figure 4, the prepared Na of present embodiment 3La 7.9Eu 0.1V 3O 21Material is under 333 nanometer excitation wavelengths, produce stronger luminous, mainly red luminous based on 621 nano wave lengths, it and near ultraviolet LED chip emission wavelength are very identical, it is cooperated an amount of blueness and green emitting phosphor, and apply and be packaged in outside ultraviolet and the blue-ray LED diode chip for backlight unit, can be applicable to prepare the White-light LED illumination device.
Referring to accompanying drawing 5, it is the prepared Na of present embodiment 3La 7.9Eu 0.1V 3O 21Material sample decay of luminescence graphic representation, as can be seen from Figure 5, the prepared Na of present embodiment 3La 7.9Eu 0.1V 3O 21The luminous decay life-span of material can be applied in the luminescent material illumination and display device of display device, three-color fluorescent lamp and Field Emission Display fully.
Embodiment 3
According to chemical formula Na 3La 7.75Eu 0.25V 3O 21In the stoichiometric ratio of each element, take by weighing NaNO respectively 31.275 gram, La 2O 36.316 gram, Eu 2O 30.22 gram, V 2O 31.125 gram.In agate mortar, grind, and fully mix.The powder that mixes is calcined under air atmosphere, and temperature is 500 ℃, is incubated 5 h, takes out sample after being cooled to room temperature naturally.Grind again, will grind uniform powder 1200 ℃ of calcinings down, be incubated 10 h, finally obtain Na behind the naturally cooling 3La 7.75Eu 0.25V 3O 21Red luminescent phosphor.
The obtained Na of present embodiment 3La 7.75Eu 0.25V 3O 21Material sample constitutional features, emmission spectrum information, similar to embodiment 1.
Embodiment 4
According to chemical formula Na 3La 7.8Eu 0.2V 3O 21In the stoichiometric ratio of each element, take by weighing 1.275 gram NaNO 3Be dissolved in the 30 ml water, take by weighing 1.755 gram NH 4VO 3Dissolving is gone in the 40 ml water, and 70 ℃ of water-baths are configured to solution respectively; Take by weighing 6.357 gram La again 2O 3With 0.18 gram Eu 2O 3Being dissolved in 24 ml concentration is in the concentrated nitric acid of 2.5 mol/ml, and dilutes with deionized water; With NaNO 3And NH 4VO 3Solution slowly joins in the rare earth nitrate solution under the magnetic agitation, adds 0.06 mol citric acid again as complexing agent; Be 6 by rare nitric acid and ammoniacal liquor regulator solution PH, fully stirring after the deionized water dilution, is got the solution of reactor capacity 80% and is poured in the hydrothermal reaction kettle again, insulation 5 h in 200 ℃ of baking ovens, with the solution centrifugal taking precipitate that obtains, and obtain red fluorescence powder Na with oven dry behind the deionized water wash 3La 7.8Eu 0.2V 3O 21
The obtained Na of present embodiment 3La 7.8Eu 0.2V 3O 21The material sample constitutional features, excite and emmission spectrum information, similar to embodiment 2.
Embodiment 5
According to chemical formula Na 3La 7.85Eu 0.15V 3O 21In the stoichiometric ratio of each element, take by weighing NaHCO respectively 30.84 gram, NaNO 30.425 gram, La 2O 36.398 gram, Eu (NO 3) 36H 2O 335 grams, V 2O 31.125 gram.In agate mortar, grind, and fully mix.The powder that mixes is carried out first time calcining under air atmosphere, temperature is 400 ℃, is incubated 5 h, takes out sample after being cooled to room temperature naturally.The powder of calcining is for the first time fully ground in agate mortar again, carry out sintering second time under air atmosphere, temperature is 500 ℃, is incubated 4 h, be cooled to room temperature naturally after the taking-up sample grind again.To grind uniform powder 1100 ℃ of calcinings down, be incubated 8 h, finally obtain Na behind the naturally cooling 3La 7.85Eu 0.15V 3O 21Red luminescent phosphor.
The obtained Na of present embodiment 3La 7.85Eu 0.15V 3O 21Material sample constitutional features and emmission spectrum information are similar to Example 1.

Claims (8)

1. sodium lanthanum vanadate based luminescent material, it is characterized in that: its chemical formula is Na 3La 8-xEu xV 3O 21, wherein, x is Eu 3+Doping, 0.0001≤x≤0.25; Described luminescent material has strong exciting light near 300 nanometers and 450 nanometers, its emission light is near 621 nanometers red luminous.
2. the preparation method of a sodium lanthanum vanadate based luminescent material as claimed in claim 1 is characterized in that adopting high temperature solid-state method, may further comprise the steps:
1. with contain composite and sodium ion composite, contain the compound of lanthanum ion, the compound that contains the compound of europium ion and contain vanadium ion is raw material, presses general formula Na 3La 8-xEu xV 3O 21, the stoichiometric ratio of corresponding element takes by weighing each raw material in 0.0001≤x≤0.25, mixes after the grinding;
2. be precalcining 1～2 time under 300～600 ℃, air atmosphere with the raw material that mixes in temperature, insulation 3～6 h are cooled to room temperature naturally;
Powder after the precalcining is fully ground, and under air atmosphere, with 1000～1200 ℃ temperature calcining, insulation 6～10h obtains a kind of europium ion Eu behind the naturally cooling 3+The sodium lanthanum vanadate based luminescent material Na that activates 3La 8-xEu xV 3O 21, wherein x is Eu 3+Doping, 0.0001≤x≤0.25.
3. the preparation method of a kind of sodium lanthanum vanadate based luminescent material according to claim 2 is characterized in that: the described composite and sodium ion composite that contains is one or more combination in yellow soda ash, sodium bicarbonate, SODIUMNITRATE, the sodium oxide.
4. the preparation method of a kind of sodium lanthanum vanadate based luminescent material according to claim 2 is characterized in that: the described compound that contains europium ion is a kind of in europium sesquioxide, the europium nitrate, or two kinds combination.
5. the preparation method of a kind of sodium lanthanum vanadate based luminescent material according to claim 2 is characterized in that: the described compound that contains vanadium ion is a kind of in Vanadium Pentoxide in FLAKES, the vanadous oxide, or two kinds combination.
6. the preparation method of a kind of sodium lanthanum vanadate based luminescent material according to claim 2 is characterized in that: the described compound that contains lanthanum ion is a kind of in lanthanum trioxide, the lanthanum nitrate, or two kinds combination.
7. the preparation method of a sodium lanthanum vanadate based luminescent material as claimed in claim 1 is characterized in that adopting hydrothermal method, may further comprise the steps:
1. press general formula Na 3La 8-xEu xV 3O 21The stoichiometric ratio of middle corresponding element takes by weighing the oxide compound that contains lanthanum ion and europium ion, is that the concentrated nitric acid of 3～5 times of lanthanum atoms and europium atom is rare earth nitrate solution with two kinds of compound dissolutions with mole number, with the deionized water dilution of 5～10 times of volumes;
2. press general formula Na 3La 8-xEu xV 3O 21The stoichiometric ratio of middle corresponding element takes by weighing NaNO 3And NH 4VO 3, be to be dissolved in the water respectively under 50～70 ℃ the condition in temperature, be configured to NaNO 3And NH 4VO 3Solution;
3. under the magnetic agitation condition, with NaNO 3Solution and NH 4VO 3Solution joins in the rare earth nitrate solution that 1. step obtain, and the citric acid that adds mole number again and be 1～3 times of rare earth atom is complexing agent, obtains mixing solutions; The pH value of regulating mixing solutions with ammoniacal liquor and nitric acid is 5～8, stirs 1～2 h;
4. the solution that 3. step is obtained is poured in the reactor, adds deionized water and makes liquor capacity reach 70～80% of reactor volume, and the sealing back is to be incubated 4～8h under 170～200 ℃ the condition at oven temperature, and cooling obtains throw out by centrifugal treating; After throw out deionized water wash, oven dry, obtain a kind of europium ion Eu 3+The sodium lanthanum vanadate based luminescent material Na that activates 3La 8-xEu xV 3O 21, wherein x is Eu 3+Doping, 0.0001≤x≤0.25.
8. the application of a sodium lanthanum vanadate based luminescent material as claimed in claim 1 cooperates described luminescent material with an amount of blueness and green emitting phosphor, apply and be packaged in outside ultraviolet and the blue-ray LED diode chip for backlight unit, preparation white light LEDs illuminating device.
CN201310177006.1A 2013-05-14 2013-05-14 Sodium lanthanum vanadate-based luminous material as well as preparation method and application thereof Expired - Fee Related CN103275720B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310177006.1A CN103275720B (en) 2013-05-14 2013-05-14 Sodium lanthanum vanadate-based luminous material as well as preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310177006.1A CN103275720B (en) 2013-05-14 2013-05-14 Sodium lanthanum vanadate-based luminous material as well as preparation method and application thereof

Publications (2)

Publication Number Publication Date
CN103275720A true CN103275720A (en) 2013-09-04
CN103275720B CN103275720B (en) 2015-03-25

Family

ID=49058349

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310177006.1A Expired - Fee Related CN103275720B (en) 2013-05-14 2013-05-14 Sodium lanthanum vanadate-based luminous material as well as preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN103275720B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103305221A (en) * 2013-06-27 2013-09-18 苏州大学 Eu<3+>-doped vanadate fluorescent material, and preparation method and application thereof
CN104673314A (en) * 2015-01-28 2015-06-03 江苏师范大学 Vanadate-based down-conversion luminescent material and preparation method thereof
CN104910914A (en) * 2015-05-08 2015-09-16 江苏师范大学 Lanthanum boron vanadate-based red fluorescent material and preparation method thereof
CN107201228A (en) * 2017-07-21 2017-09-26 江苏师范大学 A kind of Eu3+Ion-activated vanadium silicate material and preparation method and application
CN109321250A (en) * 2018-10-25 2019-02-12 惠州学院 A kind of nanoscale lanthanum orthophosphate yttrium base red fluorescent powder and preparation method thereof
CN109777421A (en) * 2019-03-15 2019-05-21 常州工程职业技术学院 A kind of europium ion Eu3+The red fluorescence powder of activation, preparation method and application
CN109988575A (en) * 2019-04-28 2019-07-09 常州工程职业技术学院 A kind of Eu3+Ion-activated vanadium phosphorus niobates red fluorescence powder, preparation method and applications

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101343541A (en) * 2008-08-26 2009-01-14 江苏技术师范学院 Red fluorescent powder for white radiation LED and preparation thereof
CN102191060A (en) * 2010-03-05 2011-09-21 海洋王照明科技股份有限公司 Vanadate phosphor and preparation method thereof
CN102492426A (en) * 2011-11-24 2012-06-13 苏州大学 Vanadate yellow phosphor, its preparation method and its application

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101343541A (en) * 2008-08-26 2009-01-14 江苏技术师范学院 Red fluorescent powder for white radiation LED and preparation thereof
CN102191060A (en) * 2010-03-05 2011-09-21 海洋王照明科技股份有限公司 Vanadate phosphor and preparation method thereof
CN102492426A (en) * 2011-11-24 2012-06-13 苏州大学 Vanadate yellow phosphor, its preparation method and its application

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHUANXIANG QIN等: "Structure and luminescence of new red-emitting materials-Eu3+-doped triple orthovanadates NaALa(VO4)2 (A = Ca, Sr, Ba)", 《J. AM. CERAM . SOC.》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103305221A (en) * 2013-06-27 2013-09-18 苏州大学 Eu<3+>-doped vanadate fluorescent material, and preparation method and application thereof
CN104673314A (en) * 2015-01-28 2015-06-03 江苏师范大学 Vanadate-based down-conversion luminescent material and preparation method thereof
CN104910914A (en) * 2015-05-08 2015-09-16 江苏师范大学 Lanthanum boron vanadate-based red fluorescent material and preparation method thereof
CN107201228A (en) * 2017-07-21 2017-09-26 江苏师范大学 A kind of Eu3+Ion-activated vanadium silicate material and preparation method and application
CN109321250A (en) * 2018-10-25 2019-02-12 惠州学院 A kind of nanoscale lanthanum orthophosphate yttrium base red fluorescent powder and preparation method thereof
CN109777421A (en) * 2019-03-15 2019-05-21 常州工程职业技术学院 A kind of europium ion Eu3+The red fluorescence powder of activation, preparation method and application
CN109777421B (en) * 2019-03-15 2021-04-20 常州工程职业技术学院 Europium ion Eu3+Activated red fluorescent powder, preparation method and application
CN109988575A (en) * 2019-04-28 2019-07-09 常州工程职业技术学院 A kind of Eu3+Ion-activated vanadium phosphorus niobates red fluorescence powder, preparation method and applications
CN109988575B (en) * 2019-04-28 2021-02-26 常州工程职业技术学院 Eu (Eu)3+Ion-activated vanadium-phosphorus niobate red fluorescent powder, preparation method and application thereof

Also Published As

Publication number Publication date
CN103275720B (en) 2015-03-25

Similar Documents

Publication Publication Date Title
CN103275720B (en) Sodium lanthanum vanadate-based luminous material as well as preparation method and application thereof
CN103146385B (en) Double-doped double perovskite red phosphor and preparation method of double-doped double perovskite red phosphor
Geng et al. Tunable luminescence and energy transfer properties in KCaGd (PO 4) 2: Ln 3+/Mn 2+(Ln= Tb, Dy, Eu, Tm; Ce, Tb/Dy) phosphors with high quantum efficiencies
CN102399558B (en) Vanadate red phosphor, preparation method and application
CN102634340A (en) Red double-perovskite fluorescent powder for white-light LEDs and preparation method of red double-perovskite fluorescent powder
Li et al. Sol–gel synthesis, structure and luminescence properties of Ba2ZnMoO6: Eu3+ phosphors
CN102942929B (en) Ytterbium ion Yb&lt;3+&gt; activated borotungstate upconversion luminescent material and preparation method thereof
CN102643644A (en) Light emitting diode (LED) fluorescent powder with single matrix white light excited by near ultraviolet and preparation method thereof
CN103627392A (en) Antimonate-based red phosphor powder and preparation method and application thereof
CN102575162A (en) Terbium doped phosphate-based green luminescent material and preparation method thereof
CN102585819B (en) Lanthanum boron tungstate red fluorescent powder and preparation method thereof
CN101974334A (en) Single-phase rare earth vanadium phosphate white fluorescent powder for mercury lamp and preparation method thereof
CN102492425A (en) Aluminate red phosphor, preparation method and application
CN102585831B (en) Europium-ion-excited fluoromolybdate red fluorescent powder and preparation method and application thereof
CN103555327A (en) Near ultraviolet excitation double perovskite fluorescent powder for white light LED and preparation method thereof
CN103305221A (en) Eu&lt;3+&gt;-doped vanadate fluorescent material, and preparation method and application thereof
CN101338188A (en) Method for preparing long persistence luminescent material with high initial fluorescent intensity
CN103275713A (en) Rare earth molybdate red phosphor, and preparation method and application thereof
CN103305216A (en) Borate red fluorescent powder and preparation method and application thereof
CN102199429B (en) Fluophosphate-based light-emitting material and preparation method thereof
CN102925150B (en) Tungstate fluorescent powder as well as preparation method and application thereof
CN104312584A (en) Molybdate-based red fluorescent powder and preparation method thereof
CN102373062B (en) Fluosilicate red fluorescent powder suitable for white-light LED (Light-Emitting Diode) and preparation method thereof
CN103396796A (en) Antimonate long-afterglow fluorescent powder and preparation method thereof
CN103289698A (en) Europium ion Eu&lt;3+&gt;-excited phosphate-base red fluorescent powder, and preparation method and application thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20171212

Address after: 511430 1402 room 1402, No. 383 office building, North 383 Panyu Avenue, Panyu District South Village, Panyu District, Guangdong

Patentee after: Guangzhou Intellectual Property Service Co., Ltd.

Address before: 215123 Suzhou City, Suzhou Province Industrial Park, No. love road, No. 199

Patentee before: Soochow University

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181120

Address after: 401120 3rd floor, Building 11, Jingkai District, Guanyan Village, Lianglu Road, Yubei District, Chongqing

Patentee after: CHONGQING GOLUTE NEW MATERIAL TECHNOLOGY CO., LTD.

Address before: 511430 1402 office building, 383 office building, Panyu Avenue North, Panyu District Town, Guangzhou, Guangdong, Panyu, China

Patentee before: Guangzhou Intellectual Property Service Co., Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150325

Termination date: 20200514

CF01 Termination of patent right due to non-payment of annual fee