CN107652972B - Color-adjustable self-activated long afterglow material and preparation method thereof - Google Patents

Color-adjustable self-activated long afterglow material and preparation method thereof Download PDF

Info

Publication number
CN107652972B
CN107652972B CN201711039813.1A CN201711039813A CN107652972B CN 107652972 B CN107652972 B CN 107652972B CN 201711039813 A CN201711039813 A CN 201711039813A CN 107652972 B CN107652972 B CN 107652972B
Authority
CN
China
Prior art keywords
long afterglow
atmosphere
blue
color
fluorescent powder
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.)
Active
Application number
CN201711039813.1A
Other languages
Chinese (zh)
Other versions
CN107652972A (en
Inventor
邱忠贤
朱桂颖
廉世勋
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.)
Hunan Normal University
Original Assignee
Hunan Normal 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 Hunan Normal University filed Critical Hunan Normal University
Priority to CN201711039813.1A priority Critical patent/CN107652972B/en
Publication of CN107652972A publication Critical patent/CN107652972A/en
Application granted granted Critical
Publication of CN107652972B publication Critical patent/CN107652972B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • C09K11/7715—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing cerium
    • C09K11/7716—Chalcogenides
    • 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
    • C09K11/7701—Chalogenides
    • 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
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/7729—Chalcogenides
    • 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
    • C09K11/7759—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing samarium
    • C09K11/776—Chalcogenides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)

Abstract

The invention provides a color-adjustable self-activated long afterglow material, which has the following nominal composition: na (Na)2SnO3：xRE(RE=Eu3+、Sm3+、Tm3+、Dy3+、Ce3+). When rare earth ions are not added as an activator (x =0), the luminescent color of the material is regulated and controlled by changing the condition of the synthetic atmosphere, and the self-activated fluorescent powder with the luminescent colors of green, blue-green and blue can be obtained respectively in the atmosphere of air, nitrogen or argon protection and the atmosphere of carbon monoxide weak reduction, and has the property of blue long afterglow. When one of the rare earth ions is added as an activator ion(x =0.0001-0.05), a color-tunable long-afterglow luminescent material can be obtained. RE is Eu3+Or Sm3+Then, the red long afterglow phosphor can be obtained and Eu is adjusted3+Or Sm3+Doping concentration to obtain near white light emitting fluorescent powder; RE is Tm3+Then obtaining the fluorescent powder with adjustable luminescent color from blue light to green light and a blue long afterglow material; RE is Dy3+Then, obtaining the fluorescent powder with adjustable luminescent color from green light to warm white light; RE is Ce3+Then, the bluish white light-emitting phosphor is obtained.

Description

Color-adjustable self-activated long afterglow material and preparation method thereof
Technical Field
The invention relates to a color-adjustable long-afterglow luminescent material, belonging to the field of inorganic luminescent materials.
Background
The long afterglow material is an energy storage type luminescent material, and can store electrons in a trap when being excited, so that the long afterglow material can continuously emit light after the excitation light source stops. The long afterglow luminescent material has wide application in military instrument, anti-fake, safety mark, display, medicine tracing and other fields. Long persistence materials have been studied in the past, focusing on rare earth doped sulfide, oxysulfide, alkaline earth metal aluminate and silicate systems, and transition metal ion doped II-VI semiconductor materials. In recent years, researchers have successively discovered several alkaline earth metal stannate system long afterglow materials, such as green long afterglow Mg with self-activated luminescence2SnO4Rare earth doped red long afterglow SrSnO3:Sm3+White long afterglow fluorescent powder CaSnO3:Eu3+,Tb3+. The alkali metal stannate fluorescent powder and the long afterglow material are not reported.
Disclosure of Invention
The invention provides a color-adjustable alkali metal stannate self-activated long afterglow material, a preparation method and synthesis conditions thereof. The nominal composition of the fluorescent powder can be expressed as follows: na (Na)2SnO3：xRE (x=0-0.05；RE= Eu3 +、Sm3+、Tm3+、Dy3+、Ce3+). The synthesis method of the luminescent material is a high-temperature solid phase method and adopts Na2CO3Is a sodium source, SnO2Is a tin source, and the synthesis temperature is 700-oC, characterized in that the mass ratio of the substances of the raw material composition is nNa: nSn1 (m is more than 0 and less than or equal to 4.0), namely Na in the raw material2CO3An excess is necessary.
When no rare earth ion is added as an activator (x =0), the luminous color of the self-activated long afterglow material is regulated and controlled by changing the synthesis atmosphere condition. When the synthetic atmosphere is air, the obtained material has green luminescent color, the main emission peak is located at 515nm, the emission spectrum covers the wavelength range of 360-750 nm, and the material has blue long afterglow property; when the synthetic atmosphere condition is inert gas nitrogen or argon, the obtained luminescent color of the material is blue-green, the emission spectrum comprises two broadband emissions, the main peaks are respectively positioned at 470 nm and 500 nm, the emission spectrum covers the wavelength range of 360-750 nm, and the material has the property of blue long afterglow; when the synthesis atmosphere is carbon monoxide weak reducing atmosphere, the obtained material has blue luminescent color, the main emission peak is 469 nm, and the emission spectrum covers the wavelength range of 360-650 nm.
When Eu is added3+、Sm3+、Tm3+、Dy3+Or Ce3+When one of the rare earth ions is used as an activator ion (x =0.0001-0.05), the color-adjustable long-afterglow luminescent material can be obtained. When the activator ion is Eu3+Or Sm3+In the air condition, the characteristic emission spectra of trivalent rare earth ions can be respectively obtained, and the trivalent rare earth ions have red long afterglow property; by adjusting Eu3+Or Sm3+And the doping concentration can also obtain near white light emitting fluorescent powder compounded by matrix broadband emission and trivalent rare earth ion peak emission. When the activator ion is Tm3+Then, under the air condition, the blue long afterglow material is obtained; by modulating Tm3+The doping concentration can realize the controllable adjustment of the luminescent color of the fluorescent powder from blue light to green light. When activator ion is Dy3+Then, Dy is regulated under air condition3+The doping concentration can obtain the fluorescent powder with adjustable luminescent color from green light to warm white light. When the activator ion is Ce3+When the material is used, the obtained material has a bluish white color, and the emission spectrum covers the wavelength range of 360-700 nm.
Drawings
FIG. 1: emission spectrum of sodium stannate self-activated long-afterglow fluorescent powder in different atmospheres
FIG. 2: afterglow emission spectrum of sodium stannate self-activated long afterglow fluorescent powder
FIG. 3: afterglow attenuation curve diagram of sodium stannate self-activated long afterglow fluorescent powder
FIG. 4: na (Na)2SnO3: 0.001Eu3+Fluorescent powder emission spectrum diagram
FIG. 5: na (Na)2SnO3: 0.005Sm3+Fluorescent powder emission spectrum diagram
FIG. 6: na (Na)2SnO3: 0.01Tm3+Fluorescent powder emission spectrum diagram
FIG. 7: na (Na)2SnO3: 0.01Dy3+Fluorescent powder emission spectrum diagram
FIG. 8: na (Na)2SnO3: 0.01Ce3+Fluorescent powder emission spectrum diagram
Detailed Description
The following is a non-limiting example of the synthesis of the phosphor of the present invention:
example 1: green Na in air atmosphere2SnO3Self-activated phosphor
The product is synthesized by adopting high-temperature solid-phase reaction. Weighing Na according to stoichiometric ratio2CO34.2396 g，SnO21.5070g, evenly grinding the mixture, and then putting the mixture into a corundum crucible; putting the crucible into a box-type high-temperature furnace, and carrying out programmed heating to 1000 ℃ and heat preservation for 6 hours; and then stopping heating, and cooling to obtain the fluorescent powder product. The phosphor is not added with doped ions, has the luminescent property of self-activated ultraviolet-to-green light emission, and has the blue long afterglow property, the characteristic emission spectrum of the phosphor is shown in figure 1, the afterglow spectrum is shown in figure 2, and the afterglow attenuation curve is shown in figure 3.
Example 2: blue-green Na in inert gas protective atmosphere2SnO3Self-activated phosphor
The product is synthesized by adopting high-temperature solid-phase reaction. Weighing Na according to stoichiometric ratio2CO31.9078 g，SnO22.2609g, evenly grinding the mixture, and then putting the mixture into a corundum crucible; pushing the crucible into a tubular high-temperature furnace, and continuously introducing N2Heating to 900 deg.c and maintaining for 6 hr; and then stopping heating, and cooling to room temperature to obtain the fluorescent powder product. The fluorescent powder has self-excitationThe luminescence property of living ultraviolet light to blue-green light emission is characterized by the emission spectrum shown in fig. 1, and the remaining glow property is consistent with that of the sample prepared in the air atmosphere in example 1.
Example 3: blue Na in CO weakly reducing atmosphere2SnO3Self-activated phosphor
The product is synthesized by adopting high-temperature solid-phase reaction. Weighing Na according to stoichiometric ratio2CO33.1797 g，SnO22.2605g, evenly grinding the mixture, and then putting the mixture into a corundum crucible; putting the crucible into a large crucible filled with carbon powder, covering, feeding into a box-type high-temperature furnace, and carrying out programmed heating to 950 ℃ and heat preservation for 6 hours; and then stopping heating, taking out and cooling to room temperature to obtain the fluorescent powder product. The fluorescent powder has the luminescent property of self-activated ultraviolet light-to-blue light emission, and the characteristic emission spectrum is shown in figure 1.
Example 4: na (Na)2SnO3: 0.001Eu3+Fluorescent powder
The product is synthesized by adopting high-temperature solid-phase reaction. Weighing Na according to stoichiometric ratio2CO31.9078 g，SnO21.8084g，Eu2O30.0021 g, and uniformly grinding the ingredients and then putting the mixture into a corundum crucible; putting the crucible into a box-type high-temperature furnace, and carrying out programmed heating to 1000 ℃ and heat preservation for 6 hours; and then stopping heating, and cooling to obtain the fluorescent powder product. The characteristic emission spectrum of the phosphor is shown in FIG. 4, and under the excitation of the substrate phosphor with the excitation wavelength of 277 nm, the broadband emission and Eu of the substrate material can be obtained simultaneously3+So that it is able to pass Eu3+The adjustment and control of the doping concentration realize near-white light emission, and the fluorescent powder has the property of red long afterglow.
Example 5: na (Na)2SnO3: 0.005Sm3+Fluorescent powder
The product is synthesized by adopting high-temperature solid-phase reaction. Weighing Na according to stoichiometric ratio2CO32.0668 g，SnO22.2605g，Sm2O30.0131 g, and putting the mixture into a corundum crucible after uniformly grinding; putting the crucible into a box-type high-temperature furnace, and carrying out programmed heating to 1000 ℃ and heat preservation for 6 hours; and then stopping heating, and cooling to obtain the fluorescent powder product. The phosphor emits light characteristicallyThe spectrum is shown in FIG. 5, under the excitation of the substrate phosphor with the excitation wavelength of 277 nm, the broadband emission and Sm of the substrate material can be obtained simultaneously3+Is characteristic of orange-red light emission and is therefore capable of passing Sm3+The adjustment and control of the doping concentration realize near-white light emission, and the fluorescent powder has the property of red long afterglow.
Example 6: na (Na)2SnO3: 0.01Tm3+Fluorescent powder
The product is synthesized by adopting high-temperature solid-phase reaction. Weighing Na according to stoichiometric ratio2CO32.4802g，SnO21.9591 g，Tm2O30.0251 g, uniformly grinding the ingredients, and then filling the mixture into a corundum crucible; putting the crucible into a box-type high-temperature furnace, and carrying out programmed heating to 1000 ℃ and heat preservation for 6 hours; and then stopping heating, and cooling to obtain the fluorescent powder product. The characteristic emission spectrum of the fluorescent powder is shown in figure 6 and can be adjusted by adjusting Tm3+The doping concentration realizes the controllable adjustment of the luminescent color of the fluorescent powder from blue light to green light, and the fluorescent powder has the property of blue long afterglow.
Example 7: na (Na)2SnO3: 0.01Dy3+Fluorescent powder
The product is synthesized by adopting high-temperature solid-phase reaction. Weighing Na according to stoichiometric ratio2CO31.6322 g，SnO22.1098g，Dy2O30.0261 g, the mixture is put into a corundum crucible after being ground uniformly; putting the crucible into a box-type high-temperature furnace, and carrying out programmed heating to 1000 ℃ and heat preservation for 6 hours; and then stopping heating, and cooling to obtain the fluorescent powder product. The characteristic emission spectrum of the fluorescent powder is shown in FIG. 7, Dy can be observed under ultraviolet excitation3+By adjusting Dy3+The doping concentration can realize the controllable adjustment of the luminescent color from green light to warm white light.
Example 8: na (Na)2SnO3: 0.01Ce3+Fluorescent powder
The product is synthesized by adopting high-temperature solid-phase reaction. Weighing Na according to stoichiometric ratio2CO32.9147 g，SnO21.6577g，Ce2O30.0180g, and the mixture is put into a corundum crucible after being uniformly ground; placing the crucible into a box-type high-temperature furnace, programming to 1000 deg.C, and keeping the temperature 6Hours; and then stopping heating, and cooling to obtain the fluorescent powder product. The characteristic emission spectrum of the phosphor is shown in FIG. 8, which shows bluish white light emission under the excitation of ultraviolet light, and the emission spectrum covers the wavelength range of 360-700 nm.

Claims (10)

1. A self-activated long-afterglow luminescent material is composed of Na2SnO3The method is characterized in that: synthesized by high-temperature solid-phase method and added with Na2CO3Is a sodium source, SnO2Is a tin source, the synthesis temperature is 700-1100 ℃, the synthesis atmosphere condition is air atmosphere, inert gas nitrogen or argon protective atmosphere or carbon monoxide weak reduction atmosphere, and the mass ratio of the adopted raw materials is nNa: nSn1, wherein m is more than 0 and less than or equal to 4.0, and Na is contained in the raw material2CO3An excess is necessary.
2. The self-activated long afterglow luminescent material as defined in claim 1, wherein when the synthetic atmosphere condition is air, the obtained luminescent color of the material is green, the main emission peak is located at 515nm, the emission spectrum covers the wavelength range of 360-750 nm, and the material has the property of blue long afterglow.
3. The self-activated long afterglow luminescent material of claim 1, wherein when the synthetic atmosphere condition is inert gas nitrogen or argon, the obtained luminescent color of the material is blue-green, the emission spectrum comprises two broadband emissions, the main peaks are respectively positioned at 470 nm and 500 nm, the emission spectrum covers the wavelength range of 360 nm and 750 nm, and the material has the property of blue long afterglow.
4. The self-activated long afterglow luminescent material as defined in claim 1, wherein when the synthesis atmosphere condition is a carbon monoxide weak reducing atmosphere, the obtained luminescent color of the material is blue, the main emission peak is 469 nm, and the emission spectrum covers the wavelength range of 360-650 nm.
5. A color-adjustable long-afterglow material contains Na2SnO3xRE, wherein RE is Eu3+、Sm3+、Tm3+、Dy3+、Ce3+Wherein the mole number of x is 0.0001-0.05.
6. The long afterglow material of claim 5, wherein RE is Eu3+When the synthesis atmosphere is air, Eu can be obtained3+The main peak is at 611 nm, and the red long afterglow property is achieved; and by adjusting Eu3+The ion doping concentration x value can obtain the matrix broadband emission and Eu3+A composite near white light emitting phosphor.
7. The long afterglow material of claim 5, wherein RE is Sm3+When the synthesis atmosphere is air, Sm can be obtained3+The characteristic orange red light emission of the compound has main peaks of emission spectra at 568, 579, 605, 620, 650 and 724 nm and has red long afterglow property; and by regulating Sm3+The value of the ion doping concentration x can obtain the matrix broadband emission and Sm3+A composite near white light emitting phosphor.
8. The long-lasting phosphor of claim 5, wherein RE is Tm3+When the synthesis atmosphere is air, Tm3+The main peak of the emission spectrum is located at 480 and 490 nm, and Tm is adjusted3+The doping concentration can obtain the fluorescent powder with adjustable luminescent color from blue light to green light, and the fluorescent powder has the property of blue long afterglow.
9. The long afterglow material of claim 5, wherein RE is Dy3+In the case of synthesizing the product in air atmosphere, Dy is adjusted3+The doping concentration can obtain the fluorescent powder with adjustable luminescent color from green light to warm white light.
10. The long afterglow material of claim 5, wherein RE is Ce3+When the material is used, the obtained material has a bluish white color, and the emission spectrum covers the wavelength range of 360-700 nm.
CN201711039813.1A 2017-10-31 2017-10-31 Color-adjustable self-activated long afterglow material and preparation method thereof Active CN107652972B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711039813.1A CN107652972B (en) 2017-10-31 2017-10-31 Color-adjustable self-activated long afterglow material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711039813.1A CN107652972B (en) 2017-10-31 2017-10-31 Color-adjustable self-activated long afterglow material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN107652972A CN107652972A (en) 2018-02-02
CN107652972B true CN107652972B (en) 2020-07-28

Family

ID=61096007

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711039813.1A Active CN107652972B (en) 2017-10-31 2017-10-31 Color-adjustable self-activated long afterglow material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107652972B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114231278B (en) * 2021-12-17 2023-04-18 厦门稀土材料研究所 Self-activatable ultraviolet long-afterglow luminescent material and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR850001134A (en) * 1983-06-29 1985-03-16 후지이 미노루 Fireproof coating composition
CN102585813A (en) * 2011-12-28 2012-07-18 大连海事大学 Color-controllable long afterglow material excited by ultraviolet light and preparation method thereof
CN104830330A (en) * 2015-04-20 2015-08-12 陕西科技大学 Sub-micron grade Sm3+: beta-Li2TiO3 blood-orange-light fluorescent powder and preparation method thereof
CN104893721A (en) * 2015-04-20 2015-09-09 陕西科技大学 Submicron Eu<3+>: beta-Li2TiO3 high-purity red fluorescent powder and preparation method thereof
CN104962284A (en) * 2015-04-20 2015-10-07 陕西科技大学 Ce4+ activated beta-Li2TiO3 single matrix white light phosphor and preparation method thereof
CN104962285A (en) * 2015-04-20 2015-10-07 陕西科技大学 Submicron Tm3+:beta-Li2TiO3 high purity blue light phosphor and preparation method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR850001134B1 (en) * 1980-12-27 1985-08-09 도오요 고오한 가부시기가이샤 Process for tin plated steel sheet
US20040240622A1 (en) * 2003-05-30 2004-12-02 Eastman Kodak Company Radiographic imaging assembly for mammography

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR850001134A (en) * 1983-06-29 1985-03-16 후지이 미노루 Fireproof coating composition
CN102585813A (en) * 2011-12-28 2012-07-18 大连海事大学 Color-controllable long afterglow material excited by ultraviolet light and preparation method thereof
CN104830330A (en) * 2015-04-20 2015-08-12 陕西科技大学 Sub-micron grade Sm3+: beta-Li2TiO3 blood-orange-light fluorescent powder and preparation method thereof
CN104893721A (en) * 2015-04-20 2015-09-09 陕西科技大学 Submicron Eu<3+>: beta-Li2TiO3 high-purity red fluorescent powder and preparation method thereof
CN104962284A (en) * 2015-04-20 2015-10-07 陕西科技大学 Ce4+ activated beta-Li2TiO3 single matrix white light phosphor and preparation method thereof
CN104962285A (en) * 2015-04-20 2015-10-07 陕西科技大学 Submicron Tm3+:beta-Li2TiO3 high purity blue light phosphor and preparation method

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
"Defect Crystal Structure of Low Temperature Modifications of Li2MO3 (M=Ti, Sn) and Related Hydroxides";Nadezda V. Tarakina et al.,;《Advances in Science and Technology》;20101027;第63卷;第352-357页 *
"Formation kinetics of Na2SnO3 from SnO2 and Na2CO3 roasted under CO-CO2 atmosphere";Bingbing Liu et al.,;《Powder Technology》;20170606;第165卷(第10期);第34-40页 *
"Novel porous CaSnO3:Eu3+ and Ca2SnO4:Eu3+ phosphors by co-precipitation synthesis and postannealing approach: A general route to alkaline-earth stannates";Xiang Ying Chen et al.,;《Journal of Alloys and Compounds》;20100310;第497卷(第1-2期);第354-359页 *
"Preparation and luminescence properties of Eu3+-doped MSnO3 (M = Ca, Sr and Ba) perovskite materials";Zhouguang Lu et al.,;《Journal of Alloys and Compounds》;20040804;第387卷(第1-2期);第L1-L4页 *
"Self-trapped exciton in Li2GeO3";Anatoly N. Trukhin et al.,;《Journal of Luminescence》;19991006;第72-74卷;第890-892页 *
"Synthesis and emission analysis of RE3+ (Eu3+ or Dy3+): Li2TiO3 ceramics";G. Bhaskar Kumar et al.,;《Ceramics International》;20071207;第35卷(第1期);第521-525页 *
"Synthesis and luminescence properties of Li2SnO3:Mn4+ red-emitting phosphor for solid-state lighting";Renping Cao et al.,;《Journal of Alloys and Compounds》;20170210;第704卷(第15期);第124-130页 *
"镧系离子掺杂β- Li2TiO3荧光粉的水热合成及发光性能";高丹鹏;《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》;20160215(第02期);第B016-401页 *

Also Published As

Publication number Publication date
CN107652972A (en) 2018-02-02

Similar Documents

Publication Publication Date Title
Lou et al. Cathodoluminescence of rare-earth-doped zinc aluminate films
Li et al. Single-phased white-emitting Ca3Y (GaO) 3 (BO3) 4: Ce3+, Tb3+, Sm3+ phosphors with high-efficiency: photoluminescence, energy transfer and application in near-UV-pumped white LEDs
US6987353B2 (en) Light emitting device having sulfoselenide fluorescent phosphor
Chawla et al. Broad yellow orange emission from SrAl2O4: Pr3+ phosphor with blue excitation for application to white LEDs
CN107189776B (en) Green silicate long-afterglow luminescent material and preparation method thereof
Lu et al. Synthesis and luminescence properties of a double perovskite Ca2LaNbO6: Mn4+ deep-red phosphor
MXPA06011944A (en) White light emitting diode.
CN107974250B (en) Blue-green silicate ultra-long afterglow luminescent material and preparation method thereof
CN111234814B (en) Mn (manganese)4+Doped nitrogen oxide red fluorescent powder and preparation method thereof
CN114437724B (en) Gallate-based multicolor long-afterglow luminescent material and preparation method thereof
CN110257057A (en) A kind of yellow longpersistent luminescent material and preparation method thereof
CN107418571B (en) Mn (manganese)2+Doped yellow long-afterglow luminescent material and preparation method thereof
US4220551A (en) Novel blue light emitting luminophors
Lu et al. Defect induced anti-thermal quenching of Cr3+ doped Zn1-xLi2xGa2O4 for plant growth LED
CN112980444B (en) Garnet-based long-afterglow luminescent material and preparation method thereof
CN107652972B (en) Color-adjustable self-activated long afterglow material and preparation method thereof
CN105778904B (en) A kind of gallium aluminium hydrochlorate base fluorescent material and preparation method thereof
CN107474838B (en) Blue-green long-afterglow luminescent material and preparation method thereof
US9045690B2 (en) Silicate luminescent material and production method thereof
CN114456808B (en) Tantalate-based red long-afterglow luminescent material and preparation method thereof
CN106147767B (en) A kind of long after glow luminous material and preparation method thereof
CN114836211A (en) Cu ion doped gallium germanate based green long afterglow material and preparation method thereof
US3639252A (en) New orange-red emitting europium-activated yttrium stannate phosphor for warm-white blends
KR100793082B1 (en) Blue-emitting phosphors for long-middle ultraviolet ray and their production method
JP3345823B2 (en) Afterglow phosphor

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
GR01 Patent grant
GR01 Patent grant