CN108690610A - A kind of effective fluorescent material of electronigraph and preparation method thereof - Google Patents
A kind of effective fluorescent material of electronigraph and preparation method thereof Download PDFInfo
- Publication number
- CN108690610A CN108690610A CN201810662061.2A CN201810662061A CN108690610A CN 108690610 A CN108690610 A CN 108690610A CN 201810662061 A CN201810662061 A CN 201810662061A CN 108690610 A CN108690610 A CN 108690610A
- Authority
- CN
- China
- Prior art keywords
- parts
- fluorescent material
- mixture
- aluminium oxide
- weight
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7784—Chalcogenides
- C09K11/7787—Oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7784—Chalcogenides
- C09K11/7787—Oxides
- C09K11/7789—Oxysulfides
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
Abstract
The present invention provides effective fluorescent materials of a kind of electronigraph and preparation method thereof, and the fluorescent material is by Y2O3,Eu2O3,S,Na2CO3,NH4H2PO4And BaCl2·2H2O is for raw material or by Y2O3,Eu,Eu2O3,BaF2And BaCl2·2H2O is prepared for raw material.The preparation method of the fluorescent material includes prepared by (1) single-phase fluorescent material;(2) single-phase fluorescent material grinding;(3) single-phase fluorescent material heat treatment.It is compared with fluorescent material made from conventional means using fluorescent material made from above-mentioned steps, microparticle state is presented, when fluorescent material of the present invention is applied to color picture tube, it just can be used directly without grinding again, therefore fluorescent material brightness reduces after solving the problems, such as conventional means grinding, is effectively improved the display effect of color picture tube.
Description
Technical field
The present invention relates to a kind of preparation methods of fluorescent material, and in particular to a kind of effective fluorescent material of electronigraph and its
Preparation method.
Background technology
Color picture tube is otherwise known as color cathode ray tube, is widely used in constructing imaging system, it is to utilize the moon
Pole electron gun launching electronics, under the action of anode high voltage, directive fluorescent screen makes light-emitting phosphor.It is colored in imaging system
Kinescope must have many characteristics, such as high-resolution, high-precision and high brightness.Therefore, to the phosphor on luminescent screen for colour display tube
Material just proposes new requirement.
Currently, handled in the prior art the fluorescent material on luminescent screen for colour display tube, generally by will be normal
The fluorescent material that rule means prepare carries out sieving, isolates microparticle, but this method is very time-consuming, and yield is very low.
Another method is that fluorescent material prepared by conventional means, which is carried out regrinding, is ground into microparticle, although this method
Solves the granularity problem of fluorescent material, but grinding can destroy the surface of fluorescent material, lead to fluorescent material brightness reduction.Cause
This, needs a kind of preparation method of new fluorescent material, to solve the prior art in the processing procedure of fluorescent material, causing bright
The problem of degree declines.
Invention content
A kind of effective fluorescent material of electronigraph of present invention offer and preparation method thereof, this method is mutually glimmering by synthetic single crystal
Then luminescent material is ground and is heat-treated, to solve the technical issues of fluorescent material causes brightness to reduce because of grinding.
To solve the above problems, the technical solution adopted by the present invention is as follows:
A kind of effective fluorescent material of electronigraph, according to parts by weight, by 150~200 parts of Y2O3;15~20 parts of Eu2O3;150
~200 parts of S;250~350 parts of Na2CO3;50~80 parts of NH4H2PO4With 10~20 parts of BaCl2·2H2O is mixed with.Institute
The preparation method for stating fluorescent material, specifically comprises the following steps:
(1) prepared by single-phase fluorescent material:According to parts by weight, by 150~200 parts of Y2O3, 15~20 parts of Eu2O3, 150~200
Part S, 250~350 parts of Na2CO3With 50~80 parts of NH4H2PO4This mixture is put into aluminium oxide corundum by uniformly mixed mixture
It clamps in pot with 900~1100 degrees Centigrade 2~4 hours, mixture and dry with centrifuge is washed with distilled water after cooling
It is dry, Y is prepared2O2S:Eu mixing fluorescent materials;
(2) single-phase fluorescent material grinding:By Y obtained in step (1)2O2S:Eu mixing fluorescent material and 400~500 weights
Measure aluminium oxide corundum pearl, 10~20 parts by weight BaCl that part radius is 2~3 millimeters2·2H2O is mixed, and is put into aluminium oxide pottery
Ball milling is carried out with 120~150 revs/min of rate in porcelain roller ball grinding jar;
(3) single-phase fluorescent material heat treatment:The mixture sieve that ball milling obtains in step (2) is considered and removes aluminium oxide corundum pearl
After caking, mixture is placed again into aluminium oxide corundum pot, is heated 2~4 hours with 1200~1300 degrees Celsius of temperature,
It is washed with distilled water products therefrom and centrifugal drying after cooling, obtains the single-phase Y of microparticle2O2S:The Y of Eu and microparticle2O3:
The mixing fluorescent material of Eu.
A kind of effective fluorescent material of electronigraph, according to parts by weight, by 150~200 parts of Y2O3;8~12 parts of Eu;3~5 parts
Eu2O3;25~35 parts of BaF2With 10~20 parts of BaCl2·2H2O is mixed with.The preparation method of the fluorescent material, specifically
Include the following steps:
(1) prepared by single-phase fluorescent material:According to parts by weight, by 150~200 parts of Y2O3;8~12 parts of Eu;3~5 parts of Eu2O3
With 25~35 parts of BaF2After mixing, this mixture is put into aluminium oxide corundum pincers pot with 1300~1400 degrees Centigrades
It 2~4 hours, is washed with distilled water mixture after cooling and is dried with centrifuge, Y is prepared2O3:Eu mixing phosphors
Material;
(2) single-phase fluorescent material grinding:By Y obtained in step (1)2O3:Eu mixing fluorescent material and 400~500 weight
Aluminium oxide corundum pearl that part radius is 2~3 millimeters, 10~20 parts by weight BaCl2·2H2O is mixed, and is put into aluminium oxide ceramics rolling
Ball milling is carried out with 120~150 revs/min of rate in cylinder ball grinder;
(3) single-phase fluorescent material heat treatment:The mixture sieve that ball milling obtains in step (2) is considered and removes aluminium oxide corundum pearl
After caking, mixture is placed again into aluminium oxide corundum pot, is heated 2~4 hours with 1200~1300 degrees Celsius of temperature,
It is washed with distilled water products therefrom and centrifugal drying after cooling, obtains the Y of microparticle2O3:Eu fluorescent materials.
It is compared with prior art means using this programme the method:The fluorescent material that the prior art is produced needs again
It could be used after secondary grinding, but grinding can destroy the surface of fluorescent material, lead to fluorescent material brightness reduction;And described in this programme
Monocrystalline phase fluorescent material is first prepared in method, is then being ground and is being heat-treated, and last obtained fluorescent material is presented
Fluorescent material directly can be applied to color picture tube, easy to operate, fluorescence degree by microparticle state without grinding again
Height is effectively improved the display effect of color picture tube, solves the prior art and fluorescent material is made for color picture tube
The problem of Shi Liangdu is reduced.
Specific implementation mode
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step
Mode combines.
Embodiment 1
A kind of effective fluorescent material of electronigraph, by Y2O3,Eu2O3,S,Na2CO3,NH4H2PO4And BaCl2·2H2It is prepared by O
And obtain, preparation method includes the following steps:
(1) prepared by single-phase fluorescent material:By 150~200 parts of Y2O3, 15~20 parts of Eu2O3, 150~200 parts of S, 250~
350 parts of Na2CO3With 50~80 parts of NH4H2PO4Uniformly mixed mixture, by this mixture be put into aluminium oxide corundum pincers pot in
900~1100 degrees Centigrades 2~4 hours are washed with distilled water mixture after cooling and are dried with centrifuge, are prepared into
To Y2O2S:Eu mixing fluorescent materials;
(2) single-phase fluorescent material grinding:By Y obtained in step (1)2O2S:Eu mixing fluorescent material and 400~500 parts
Radius be 2~3 millimeters aluminium oxide corundum pearl, 10~20 parts of BaCl2·2H2O is mixed, and is put into aluminium oxide ceramics roller ball mill
Ball milling is carried out with 120~150 revs/min of rate in tank;
(3) single-phase fluorescent material heat treatment:The mixture sieve that ball milling obtains in step (2) is considered and removes aluminium oxide corundum pearl
After caking, mixture is placed again into aluminium oxide corundum pot, is heated 2~4 hours with 1200~1300 degrees Celsius of temperature,
It is washed with distilled water products therefrom and centrifugal drying after cooling, obtains the single-phase Y of microparticle2O2S:The Y of Eu and microparticle2O3:
The mixing fluorescent material of Eu.
Embodiment 2
A kind of effective fluorescent material of electronigraph, by Y2O3,Eu,Eu2O3And BaF2And BaCl2·2H2O is prepared,
Preparation method includes the following steps:
(1) prepared by single-phase fluorescent material:According to parts by weight, by 150~200 parts of Y2O3, 8~12 parts of Eu, 3~5 parts of Eu2O3,
25~35 parts of BaF2After mixing, this mixture is put into aluminium oxide corundum pincers pot with 1300~1400 degrees Centigrades 2
It~4 hours, is washed with distilled water mixture after cooling and is dried with centrifuge, Y is prepared2O3:Eu mixing phosphors
Material;
(2) single-phase fluorescent material grinding:By Y obtained in step (1)2O3:Eu mixing fluorescent material and 400~500 part half
Diameter be 2~3 millimeters aluminium oxide corundum pearl, 10~20 parts of BaCl2·2H2O is mixed, and is put into aluminium oxide ceramics roller ball grinding jar
In ball milling carried out with 120~150 revs/min of rate;
(3) single-phase fluorescent material heat treatment:The mixture sieve that ball milling obtains in step (2) is considered and removes aluminium oxide corundum pearl
After caking, mixture is placed again into aluminium oxide corundum pot, is heated 2~4 hours with 1200~1300 degrees Celsius of temperature,
It is washed with distilled water products therefrom and centrifugal drying after cooling, obtains the Y of the single-phase microparticle of microparticle2O3:Eu fluorescent materials.
It is compared with prior art means using this programme the method:The fluorescent material that the prior art is produced needs again
It could be used after secondary grinding, but grinding can destroy the surface of fluorescent material, lead to fluorescent material brightness reduction;And use this programme
Microparticle state is presented in fluorescent material obtained by the method, can fluorescent material be directly applied to coloured silk without grinding again
Color display tube, easy to operate, fluorescence degree is high, is effectively improved the display effect of color picture tube, solves the prior art
Fluorescent material is made and is used for the problem of brightness reduces when color picture tube.
Although the above-mentioned specific implementation mode to the present invention is described, not to the limit of the scope of the present invention
System, based on the technical solutions of the present invention, those skilled in the art need not make the creative labor can make it is each
Kind modification is replaced or is deformed still within protection scope of the present invention.
Claims (4)
1. a kind of effective fluorescent material of electronigraph, it is characterised in that:According to parts by weight, by 150~200 parts of Y2O3;15~20 parts
Eu2O3;150~200 parts of S;250~350 parts of Na2CO3;50~80 parts of NH4H2PO4With 10~20 parts of BaCl2·2H2O is mixed with
It forms.
2. a kind of effective fluorescent material of electronigraph, it is characterised in that:According to parts by weight, by 150~200 parts of Y2O3;8~12 parts
Eu;3~5 parts of Eu2O3;25~35 parts of BaF2With 10~20 parts of BaCl2·2H2O is mixed with.
3. the preparation method of fluorescent material described in claim 1, which is characterized in that include the following steps:
(1) according to parts by weight, by 150~200 parts of Y2O3, 15~20 parts of Eu2O3, 150~200 parts of S, 250~350 parts of Na2CO3With
50~80 parts of NH4H2PO4This mixture is put into Celsius with 900~1100 in aluminium oxide corundum pincers pot by uniformly mixed mixture
Degree heating 2~4 hours, is washed with distilled water mixture after cooling and is dried with centrifuge, Y is prepared2O2S:Eu is mixed
Fluorescent material;
(2) by Y obtained in step (1)2O2S:The oxygen that Eu mixing fluorescent material and 400~500 parts by weight radiuses are 2~3 millimeters
Change aluminium corundum pearl, 10~20 parts by weight BaCl2·2H2O is mixed, and be put into aluminium oxide ceramics roller ball grinding jar with 120~
150 revs/min of rate carries out ball milling;
(3) the mixture sieve that ball milling obtains in step (2) is considered after removing aluminium oxide corundum pearl and caking, mixture is put again
Enter in aluminium oxide corundum pot, heated 2~4 hours with 1200~1300 degrees Celsius of temperature, gained is washed with distilled water after cooling
Product and centrifugal drying, obtain the single-phase Y of microparticle2O2S:The Y of Eu and microparticle2O3:The mixing fluorescent material of Eu.
4. the preparation method of the fluorescent material described in claim 2, which is characterized in that include the following steps:
(1) according to parts by weight, by 150~200 parts of Y2O3;8~12 parts of Eu;3~5 parts of Eu2O3With 25~35 parts of BaF2It is uniformly mixed
Afterwards, this mixture is put into aluminium oxide corundum pincers pot with 1300~1400 degrees Centigrade 2~4 hours, it is cooling after with distillation
Water washing mixture is simultaneously dried with centrifuge, and Y is prepared2O3:Eu mixing fluorescent materials;
(2) by Y obtained in step (1)2O3:The oxygen that Eu mixing fluorescent material and 400~500 parts by weight radiuses are 2~3 millimeters
Change aluminium corundum pearl, 10~20 parts by weight BaCl2·2H2O is mixed, and is put into aluminium oxide ceramics roller ball grinding jar with 120~150
Rev/min rate carry out ball milling;
(3) the mixture sieve that ball milling obtains in step (2) is considered after removing aluminium oxide corundum pearl and caking, mixture is put again
Enter in aluminium oxide corundum pot, heated 2~4 hours with 1200~1300 degrees Celsius of temperature, gained is washed with distilled water after cooling
Product and centrifugal drying, obtain the Y of microparticle2O3:Eu fluorescent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662061.2A CN108690610A (en) | 2018-06-25 | 2018-06-25 | A kind of effective fluorescent material of electronigraph and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662061.2A CN108690610A (en) | 2018-06-25 | 2018-06-25 | A kind of effective fluorescent material of electronigraph and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108690610A true CN108690610A (en) | 2018-10-23 |
Family
ID=63848231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810662061.2A Pending CN108690610A (en) | 2018-06-25 | 2018-06-25 | A kind of effective fluorescent material of electronigraph and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108690610A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480511A (en) * | 2003-08-05 | 2004-03-10 | 北京大学 | Three components of white luminescent powder exeitated by visual purple and its preparing method |
| CN101790572A (en) * | 2007-07-23 | 2010-07-28 | 罗地亚（中国）投资有限公司 | Process for the preparation of an yttrium and rare earth mixed oxide |
| CN102888223A (en) * | 2012-09-07 | 2013-01-23 | 彩虹集团电子股份有限公司 | Manufacture method for red fluorescent powder for three-primary-color energy saving lamp |
| CN103589428A (en) * | 2013-12-06 | 2014-02-19 | 九江有色金属冶炼有限公司 | Preparation method of rare earth red fluorescent powder of bulb for high-temperature-resistant lamp and product prepared therethrough |
| JP2015209433A (en) * | 2014-04-23 | 2015-11-24 | 日亜化学工業株式会社 | Yttrium oxide phosphor and production method thereof |
| CN105199734A (en) * | 2015-10-26 | 2015-12-30 | 黑龙江大学 | Preparation method of Y2O3/Y2O2S:Eu<3+> composite nanoparticles |
-
2018
- 2018-06-25 CN CN201810662061.2A patent/CN108690610A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480511A (en) * | 2003-08-05 | 2004-03-10 | 北京大学 | Three components of white luminescent powder exeitated by visual purple and its preparing method |
| CN101790572A (en) * | 2007-07-23 | 2010-07-28 | 罗地亚（中国）投资有限公司 | Process for the preparation of an yttrium and rare earth mixed oxide |
| CN102888223A (en) * | 2012-09-07 | 2013-01-23 | 彩虹集团电子股份有限公司 | Manufacture method for red fluorescent powder for three-primary-color energy saving lamp |
| CN103589428A (en) * | 2013-12-06 | 2014-02-19 | 九江有色金属冶炼有限公司 | Preparation method of rare earth red fluorescent powder of bulb for high-temperature-resistant lamp and product prepared therethrough |
| JP2015209433A (en) * | 2014-04-23 | 2015-11-24 | 日亜化学工業株式会社 | Yttrium oxide phosphor and production method thereof |
| CN105199734A (en) * | 2015-10-26 | 2015-12-30 | 黑龙江大学 | Preparation method of Y2O3/Y2O2S:Eu<3+> composite nanoparticles |
Non-Patent Citations (1)
| Title |
|---|
| 杨继慧: "熔盐法制备Y2O2S:Eu3+和CaWO4:Eu3+纳米荧光材料及其性质研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109206013B (en) | Long-afterglow ceramic with non-cracking glaze and manufacturing process thereof | |
| CN105152535A (en) | Fluorescent glass ceramic, preparation method of fluorescent glass ceramic and application of fluorescent glass ceramic in preparing laser light source | |
| CN102925146B (en) | Method for manufacturing nitride fluorescent powder | |
| CN103145453A (en) | Praseodymium yellow material for ceramic ink and preparation method thereof | |
| CN108690610A (en) | A kind of effective fluorescent material of electronigraph and preparation method thereof | |
| CN110028964A (en) | A kind of white light LEDs apatite structure blue light fluorescent powder and the preparation method of dysprosium-silicon synergy | |
| CN108863304A (en) | Ceramic batch, pottery and preparation method thereof | |
| CN102382643A (en) | Preparation method of chemical solution of terbium-doped tungsten molybdate green fluorescent microcrystalline | |
| CN102838988B (en) | Method for recovering yttrium and europium in waste fluorescent powder to prepare yttrium europium oxide | |
| CN101845303A (en) | Method for preparing vacuum ultraviolet excited green aluminate fluorescent powder | |
| CN108558247B (en) | Sulphoaluminate autofluorescence gel mineral and preparation method thereof | |
| CN106433642A (en) | Self-activated titanoniobate-based fluorescent powder and preparation method thereof | |
| CN105368448A (en) | Alkaline earth metal silicate yellow-orange fluorescent powder and preparation method therefor and application thereof | |
| CN104212443B (en) | The preparation method of short persistence zinc manganese silicate fluorescent material | |
| JPS60101175A (en) | Green light-emitting phosphor for projection type color television | |
| CN101041774A (en) | Three primary colors fluorescent powder for cold cathode luminous source and preparation method thereof | |
| CN102559189A (en) | Blue fluorescent powder and preparation method thereof | |
| CN109370585A (en) | A kind of single-phase fluorescent material of high brightness and preparation method thereof | |
| CN104031641B (en) | Fluorescent material based on the aluminate fluorescent powder surface coating method of hydro-thermal reaction and preparation thereof | |
| KR20100058467A (en) | Process for the preparation of an yttrium and rare earth mixed oxide | |
| CN101168668A (en) | Method for manufacturing green phosphor used for color plasma | |
| CN101298559B (en) | Preparation of rare earth tricolor mixing phosphor for CCFL | |
| KR950011230B1 (en) | Preparatio method of green emitting luminescent | |
| CN103145452A (en) | Red colorant for ceramic ink and preparation method thereof | |
| CN103102882A (en) | Preparation method of lamp rare earth three-basic-color red phosphor powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181023 |