CN113292995A - Sm3+Ion-activated barium lutetium borate orange red fluorescent powder and preparation method and application thereof - Google Patents
Sm3+Ion-activated barium lutetium borate orange red fluorescent powder and preparation method and application thereof Download PDFInfo
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- 239000000843 powder Substances 0.000 title claims abstract description 59
- -1 Ion-activated barium lutetium borate Chemical class 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 22
- 238000000227 grinding Methods 0.000 claims description 11
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 5
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 4
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 4
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 4
- 229910003443 lutetium oxide Inorganic materials 0.000 claims description 4
- MPARYNQUYZOBJM-UHFFFAOYSA-N oxo(oxolutetiooxy)lutetium Chemical compound O=[Lu]O[Lu]=O MPARYNQUYZOBJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910001954 samarium oxide Inorganic materials 0.000 claims description 4
- 229940075630 samarium oxide Drugs 0.000 claims description 4
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims description 4
- UCVMQZHZWWEPRC-UHFFFAOYSA-L barium(2+);hydrogen carbonate Chemical compound [Ba+2].OC([O-])=O.OC([O-])=O UCVMQZHZWWEPRC-UHFFFAOYSA-L 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- WBXXVIQNIMIONY-UHFFFAOYSA-H lutetium(3+);oxalate Chemical compound [Lu+3].[Lu+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O WBXXVIQNIMIONY-UHFFFAOYSA-H 0.000 claims description 3
- UMTLFFUVLKOSNA-UHFFFAOYSA-H lutetium(3+);tricarbonate Chemical compound [Lu+3].[Lu+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O UMTLFFUVLKOSNA-UHFFFAOYSA-H 0.000 claims description 3
- APRNQTOXCXOSHO-UHFFFAOYSA-N lutetium(3+);trinitrate Chemical compound [Lu+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O APRNQTOXCXOSHO-UHFFFAOYSA-N 0.000 claims description 3
- DABIZUXUJGHLMW-UHFFFAOYSA-H oxalate;samarium(3+) Chemical compound [Sm+3].[Sm+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O DABIZUXUJGHLMW-UHFFFAOYSA-H 0.000 claims description 3
- QCZFMLDHLOYOQJ-UHFFFAOYSA-H samarium(3+);tricarbonate Chemical compound [Sm+3].[Sm+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O QCZFMLDHLOYOQJ-UHFFFAOYSA-H 0.000 claims description 3
- YZDZYSPAJSPJQJ-UHFFFAOYSA-N samarium(3+);trinitrate Chemical compound [Sm+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YZDZYSPAJSPJQJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 238000000295 emission spectrum Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000010532 solid phase synthesis reaction Methods 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 238000001308 synthesis method Methods 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 19
- 239000002994 raw material Substances 0.000 description 15
- 229910052593 corundum Inorganic materials 0.000 description 10
- 239000010431 corundum Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 230000005284 excitation Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000695 excitation spectrum Methods 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000003746 solid phase reaction Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002189 fluorescence spectrum Methods 0.000 description 3
- 238000000634 powder X-ray diffraction Methods 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910021181 Sm2(CO3)3 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
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- 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
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/778—Borates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
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Abstract
The invention discloses an Sm3+Ion-activated barium lutetium borate orange-red fluorescent powder and preparation method and application thereof, wherein the chemical formula of the orange-red fluorescent powder is Lu1‑xBa3(BO3)3:xSm3+Wherein x is not less than 0.01<1. Sm of the invention3+The ion-activated orange-red fluorescent powder is synthesized by a high-temperature solid-phase method, the synthesis method is simple, the synthesis process is environment-friendly, the obtained fluorescent powder is good in thermal stability and can be effectively excited by blue light and near ultraviolet light, four obvious emission peaks are arranged at 564nm, 603nm, 651nm and 713nm, the strongest emission peak is arranged at 603nm, the emission spectrum is mainly orange-red light, CIE color coordinates are near (0.6001,0.3988), the quantum efficiency is about 13.9%, and the fluorescent powder can be used as an orange-red fluorescent material of a warm white LED.
Description
Technical Field
The invention relates to the technical field of inorganic luminescent materials, in particular to Sm3+Ion-activated barium lutetium borate orange red fluorescent powder and a preparation method and application thereof.
Background
The white Light Emitting Diode (LED) has the unique advantages of long service life, high fluorescence conversion efficiency, energy conservation, environmental protection and the like, is widely applied to the fields of various lighting equipment, electronic display screens, communication equipment and the like, and becomes a new generation of green and environment-friendly solid lighting source.
Nowadays, white LED devices usually package blue light chips and uv-uv chips together with phosphors of different emission colors to achieve white light emission. The former adopts a blue light chip and yellow fluorescent powder composite mode to form white light, and the method is low in cost and simple in packaging, so that the method is the most common preparation method of white light LED devices in the market at present, however, the emission spectrum of the white light LED lacks red components, so that the color rendering index is low (CRI <80) and the color temperature is high; the second one is that the ultraviolet-near ultraviolet chip excites the phosphor powder of three primary colors of red, green and blue to convert the needed three primary colors and to realize white light emission, and the white light emission formed by the chip has high color rendering index, adjustable color temperature, good thermal stability, low cost and high luminous efficiency. In both methods, a red or red-like phosphor is very important to increase the CRI value.
Chinese invention patent CN111139069A discloses a rare earth Sm doped barium fluoborate red phosphor, and the chemical formula of the red phosphor can be expressed as Ba5(BO3)3xSm, the doping range is 0.05-15% correspondingly, the red fluorescent powder has good luminous color rendering property and lower color temperature, but fluoride is unstable, and the red fluorescent powder can volatilize fluorine during synthesis by a high-temperature solid phase method, so that the environment can be polluted and the biotoxicity is strong. Therefore, it is important to develop a red or red-like phosphor which is efficient, stable, environment-friendly, low in biotoxicity and capable of being effectively excited by ultraviolet-near ultraviolet or blue light.
Disclosure of Invention
The primary object of the present invention is to overcome the above-mentioned deficiencies of the prior art and to provide a Sm3+The excitation spectrum coverage of the ion-activated barium lutetium borate orange red fluorescent powder is 340-500 nm, the strongest excitation peak is positioned at 404nm, and the emission peaks of the fluorescent powder are respectively positioned at 564nm (at) (under 404nm excitation)4G5/2→6H5/2)，603nm(4G5/2→6H7/2)，651nm(4G5/2→6H9/2)，713nm(4G5/2→6H11/2) The strongest emission peak is at 603nm, and the emission spectrum is dominated by orange-red light.
It is a further object of the present invention to provide Sm as described above3+A preparation method of ion-activated barium lutetium borate orange red fluorescent powder.
Another object of the present invention is to provide Sm as described above3+Application of ion activated barium lutetium borate orange red fluorescent powder.
The above object of the present invention is achieved by the following technical solutions:
sm3+Ion-activated barium lutetium borate orange red fluorescent powder with the chemical formula of Lu1-xBa3(BO3)3:xSm3+Wherein x is not less than 0.01<1。
Preferably, the chemical formula of the lutetium barium borate orange-red phosphor is Lu1-xBa3(BO3)3:xSm3+Wherein x is not less than 0.01<0.2. After a plurality of tests, the inventor finds that Sm is equivalent to Sm3+When the doping amount of (b) is within this range, the emission peak intensity of the phosphor is higher.
Sm above3+The preparation method of the ion-activated barium lutetium borate orange-red fluorescent powder comprises the following steps:
according to the chemical formula Lu1-xBa3(BO3)3:xSm3+Weighing the Lu-containing rare earth compound, the Sm-containing rare earth compound, the Ba-containing alkaline earth metal compound and boric acid according to the stoichiometric ratio, grinding, uniformly mixing and sintering to obtain the orange-red fluorescent powder.
The Lu-containing rare earth compound is selected from one or more of lutetium oxide, lutetium oxalate, lutetium carbonate and lutetium nitrate.
The rare earth compound containing Sm is selected from one or more of samarium oxide, samarium oxalate, samarium carbonate and samarium nitrate.
The alkaline earth metal compound containing Ba is selected from one or more of barium carbonate, barium bicarbonate and barium hydroxide.
Preferably, the sintering is carried out by raising the temperature to 800-1500 ℃ at the speed of 5-20 ℃/min and preserving the temperature for 8-24 h. More preferably, the temperature is raised to 1000-1300 ℃ at the speed of 10-15 ℃/min, and the temperature is kept for 10-20 h.
The invention also protects the Sm3+The ion-activated barium lutetium borate orange red fluorescent powder is applied to the fields of solid illumination and display.
The invention also protects the Sm3+The novel illumination light source is prepared from ion-activated barium lutetium borate orange red fluorescent powder.
Compared with the prior art, the invention has the beneficial effects that:
the invention takes barium lutetium borate as a matrix and is doped with Sm3+Preparing Sm from ions3+The ion-activated barium lutetium borate orange red fluorescent powder is free of fluoride, good in thermal stability, environment-friendly in preparation process, low in biotoxicity, 340-500 nm in excitation spectrum range, the strongest excitation peak is located at 404nm, and emission peaks of the fluorescent powder are respectively located at 564nm under 404nm excitation (the fluorescent powder is a red fluorescent powder)4G5/2→6H5/2)，603nm(4G5/2→6H7/2)，651nm(4G5/2→6H9/2)，713nm(4G5/2→6H11/2) The strongest emission peak is positioned at 603nm, the emission spectrum is mainly orange red light, the CIE color coordinate is near (0.6001,0.3988), the quantum efficiency is about 13.9 percent, and the fluorescent material can be used as an orange red fluorescent material of a warm white LED.
Drawings
FIG. 1 is an X-ray powder diffraction pattern of the phosphor described in example 1.
FIG. 2 is a fluorescence emission spectrum of the phosphor described in example 1.
FIG. 3 is a fluorescence excitation spectrum of the phosphor described in example 1.
FIG. 4 is a color coordinate diagram of the phosphor of example 1.
Detailed Description
In order to more clearly and completely describe the technical scheme of the invention, the invention is further described in detail by the specific embodiments, and it should be understood that the specific embodiments described herein are only used for explaining the invention, and are not used for limiting the invention, and various changes can be made within the scope defined by the claims of the invention.
Example 1
Sm3+Ion-activated barium lutetium borate orange red fluorescent powder with the chemical formula of Lu0.925Ba3(BO3)3:0.075Sm3 +。
Sm above3+The preparation method of the ion-activated barium lutetium borate orange-red fluorescent powder comprises the following steps:
weighing raw materials according to the ratio of the element substances of Lu to Ba to B to Sm to 0.925 to 3 to 0.075, wherein the raw materials are lutetium oxide (Lu)2O3)0.1840g, barium bicarbonate [ Ba (HCO)3)2]0.7780g boric acid (H)3BO3)0.1855g samarium oxide (Sm)2O3)0.0131 g. Grinding the raw materials in an agate mortar until powder with uniform particles is obtained, transferring the powder to a corundum crucible, putting the corundum crucible into a muffle furnace, and carrying out solid-phase reaction at the temperature of 1100 ℃, wherein the heat preservation time is 10h, and the temperature rise rate is 10 ℃/min. And after the reaction is finished, naturally cooling the mixture to room temperature, and uniformly grinding the mixture to obtain the product.
Example 2
Sm3+Ion-activated barium lutetium borate orange red fluorescent powder with the chemical formula of Lu0.99Ba3(BO3)3:0.01Sm3+。
Sm above3+The preparation method of the ion-activated barium lutetium borate orange-red fluorescent powder comprises the following steps:
weighing raw materials according to the quantity ratio of Lu to Ba to B to Sm to 0.99 to 3 to 0.01, wherein the content of the raw materials is lutetium carbonate [ Lu2(CO3)3]0.2451g barium carbonate (BaCO)3)0.5920g boric acid (H)3BO3)0.1855g samarium oxide (Sm)2O3)0.0017 g. Grinding the raw materials in an agate mortar until powder with uniform particles is obtained, transferring the powder to a corundum crucible, and putting the corundum crucible into a muffle furnaceSintering at 1050 ℃ for 16h at a heating rate of 10 ℃/min. And after the reaction is finished, naturally cooling the mixture to room temperature, and uniformly grinding the mixture to obtain the product.
Example 3
Sm3+Ion-activated barium lutetium borate orange red fluorescent powder with the chemical formula of Lu0.9Ba3(BO3)3:0.1Sm3+。
Sm above3+The preparation method of the ion-activated barium lutetium borate orange-red fluorescent powder comprises the following steps:
the raw materials are weighed according to the element substance quantity ratio Lu to Ba to B to Sm to 0.9 to 3 to 0.1. The raw materials are respectively lutetium oxalate [ Lu2(C2O4)3]0.2839g, barium carbonate [ BaCO ]3]0.5920g boric acid (H)3BO3)0.1855g samarium oxalate Sm2(C2O4)3]0.0240 g. Grinding the raw materials in an agate mortar until powder with uniform particles is obtained, transferring the powder to a corundum crucible, putting the corundum crucible into a muffle furnace, and carrying out solid-phase reaction at the temperature of 1200 ℃, wherein the heat preservation time is 10h, and the temperature rise rate is 10 ℃/min. And after the reaction is finished, naturally cooling the mixture to room temperature, and uniformly grinding the mixture to obtain the product.
Example 4
Sm3+Ion-activated barium lutetium borate orange red fluorescent powder with the chemical formula of Lu0.85Ba3(BO3)3:0.15Sm3+。
Weighing raw materials according to the quantity ratio of Lu to Ba to B to Sm to 0.85 to 3 to 0.15, wherein the content of the raw materials is lutetium oxide (Lu)2O3)0.1840g, barium hydroxide [ Ba (OH)2]0.5140g boric acid (H)3BO3)0.1855g, samarium carbonate Sm2(CO3)3]0.0360 g. Grinding the raw materials in an agate mortar until powder with uniform particles is obtained, transferring the powder to a corundum crucible, putting the corundum crucible into a muffle furnace, and carrying out solid-phase reaction at the temperature of 1300 ℃, wherein the heat preservation time is 12h, and the temperature rise rate is 8 ℃/min. After the mixture is cooled to room temperature naturally, grindingAnd (6) uniformly obtaining the product.
Example 5
Sm3+Ion-activated barium lutetium borate orange red fluorescent powder with the chemical formula of Lu0.875Ba3(BO3)3:0.125Sm3 +。
Respectively weighing raw materials according to the quantity ratio of Lu to Ba to B to Sm to 0.875 to 3 to 0.125, wherein the content of the raw materials is lutetium nitrate [ Lu (NO)3)3]0.3339g, barium hydroxide [ Ba (OH)2]0.5140g boric acid (H)3BO3)0.1855g samarium nitrate Sm (NO)3)3]0.0420 g. Grinding the raw materials in an agate mortar until powder with uniform particles is obtained, transferring the powder to a corundum crucible, putting the corundum crucible into a muffle furnace, and carrying out solid-phase reaction at the temperature of 1150 ℃, wherein the heat preservation time is 12h, and the temperature rise rate is 10 ℃/min. And after the reaction is finished, naturally cooling the mixture to room temperature, and uniformly grinding the mixture to obtain the product.
Comparative example 1
This comparative example 1 provides an undoped Sm3+The chemical formula of the material is LuBa3(BO3)3. Because Sm is not doped3+The chemical formula obtained in this comparative example is LuBa3(BO3)3The material of (3) does not emit light.
Characterization of the test
The x-ray powder diffraction pattern of the phosphor described in example 1 is shown in FIG. 1, and LuBa3(BO3)3Comparison of peaks in the standard card (JCPDS #77-0978) and no diffraction peaks from impurities were observed, indicating that the product was a pure phase. The x-ray powder diffraction patterns of the phosphors described in examples 2-5 are consistent with those of example 1.
FIG. 2 is a fluorescence emission spectrum of the phosphor described in example 1. As can be seen from the figure, under 404nm purple light excitation, the emission spectrum coverage of the fluorescent powder is 550-750 nm, four obvious emission peaks exist at 564nm, 603nm, 651nm and 713nm, and red fluorescence with a main peak at 603nm can be emitted.
The fluorescence emission spectra of the red phosphors described in examples 2-5 are substantially the same as those of example 1.
FIG. 3 is a fluorescence excitation spectrum of the phosphor described in example 1. As can be seen from the figure, the fluorescent powder has stronger absorption at 340-500 nm, and the strongest excitation peak is positioned at 404nm, which shows that the fluorescent powder can be effectively excited by blue light and near ultraviolet light. The fluorescence excitation spectrum of the red phosphor described in examples 2-5 is substantially the same as that of example 1.
FIG. 4 shows color coordinates of the phosphor described in example 1. As can be seen from the figure, the CIE color coordinates of the phosphor emission are (0.6001,0.3988), indicating that the phosphor emission color is orange-red. The color coordinates of the phosphors described in examples 2 to 5 are substantially the same as those of example 1.
The quantum efficiency of the phosphor powder described in example 1 was evaluated by using a hamamatsu C9920-03G absolute quantum yield measurement system, and the evaluation results showed that the quantum efficiency was 13.9%. The quantum efficiencies of the fluorescent powders of the embodiments 2 to 5 are basically consistent and are all about 13.9%.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. Sm3+The ion-activated barium lutetium borate orange red fluorescent powder is characterized in that the chemical formula is Lu1-xBa3(BO3)3:xSm3+Wherein x is not less than 0.01<1。
2. The Sm as claimed in claim 13+The ion-activated barium lutetium borate orange red fluorescent powder is characterized in that the chemical formula is Lu1- xBa3(BO3)3:xSm3+Wherein x is not less than 0.01<0.2。
3. Sm as claimed in claim 1 or 23+The preparation method of the ion-activated barium lutetium borate orange-red fluorescent powder is characterized by comprising the following steps of:
according to the chemical formula Lu1-xBa3(BO3)3:xSm3+Weighing the Lu-containing rare earth compound, the Sm-containing rare earth compound, the Ba-containing alkaline earth metal compound and boric acid according to the stoichiometric ratio, grinding, uniformly mixing and sintering to obtain the orange-red fluorescent powder.
4. Sm as claimed in claim 33+The preparation method of the ion-activated barium lutetium borate orange-red fluorescent powder is characterized in that the Lu-containing rare earth compound is selected from one or more of lutetium oxide, lutetium oxalate, lutetium carbonate and lutetium nitrate.
5. Sm as claimed in claim 33+The preparation method of the ion-activated barium lutetium borate orange red fluorescent powder is characterized in that the Sm-containing rare earth compound is one or more of samarium oxide, samarium oxalate, samarium carbonate and samarium nitrate.
6. Sm as claimed in claim 33+The preparation method of the ion-activated barium lutetium borate orange red fluorescent powder is characterized in that the alkaline earth metal compound containing Ba is selected from one or more of barium carbonate, barium bicarbonate and barium hydroxide.
7. Sm as claimed in claim 33+The preparation method of the ion-activated barium lutetium borate orange-red fluorescent powder is characterized in that sintering is carried out by heating to 800-1500 ℃ at the speed of 5-20 ℃/min and keeping the temperature for 8-24 h.
8. Sm as claimed in claim 33+The preparation method of the ion-activated barium lutetium borate orange-red fluorescent powder is characterized in that sintering is carried out by heating to 1000-1300 ℃ at a speed of 10-15 ℃/min and preserving heat for 10-20 h.
9. The method of1 or 2 said Sm3+The ion-activated barium lutetium borate orange red fluorescent powder is applied to the fields of solid illumination and display.
10. Sm as claimed in claim 1 or 23+The novel illumination light source is prepared from ion-activated barium lutetium borate orange red fluorescent powder.
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