TW200951203A - Phosphor materials and methods for fabricating the same - Google Patents

Abstract

The invention provides phosphor materials and methods for fabricating the same. The formula of the phosphor material is represented as Sr2(Ce1-xSnx)O4, wherein x is between 0.001 and 0.5. A rare earth elements may be doped to form another phosphor materials, represented as Sr2(Ce1-xSnx)O4: yL, wherein L is the rare earth element, x is between 0.001 and 0.5 and y is between 0.001 and 0.3. The phosphor materials may be fabricated by the sol-gel method or the solid-state method.

Description

200951203 IX. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to a fluorescent material, and more particularly to a fluorescent material doped with a rare earth element. [Prior Art] Fluorescent materials are widely used in human life, and are widely used in the fields of lighting, technology, and medical care. In the early days, they were mainly used in fluorescent lamps and neon lights. In the recent years, with the advent of the multimedia video era, Optical materials have gradually played an important role in the field of electronic displays. In a new generation of displays, the field emission display (FED) technology is similar to that of a conventional cathode ray tube (CRT). It separates the CRT from the fluorescent powder and the tip discharge electron source on two substrates, and uses a high electric field to connect the electrons. Released from the tip, and then use high pressure to accelerate the impact of the fluorescent plate to emit bright light, which has the advantages of high brightness, power saving, no viewing angle limitation, fast reaction time, etc., but the absorption effect of the current fluorescent material in the UV band is not good, The development of the FED is limited. U.S. Patent No. 6,558,574 discloses a conductive red fluorescent material consisting of (Sni_xEux) 02 which is capable of emitting light at a low voltage and can be applied to a field emission device. It is still necessary to find a fluorescent material that has a better absorption effect in the UV light band for use in an electronic display. SUMMARY OF THE INVENTION The present invention provides a fluorescent material, represented by a chemical formula of S^Cej.xSndC^, wherein χ=〇·〇〇1~〇·5 〇 The present invention also provides a fluorescent material comprising: a body Materials, including recognition, 5

0991-A51305-TW 200951203 Oxide, tin oxide; a dopant, including rare earth element L, the fluorescent material is expressed by the chemical formula as Sr2(Ce]_xSnx)〇4:yL, where x=0.001~0.5,y =0.001~0.3. The invention also provides a method for preparing a fluorescent material, comprising the steps of: providing an aqueous solution comprising tin metal ions, chain metal ions and base metal ions; adding a chelating agent to the aqueous solution; adding a polymerization agent In the aqueous solution; heating the aqueous solution to form a gel; heating to remove excess moisture in the knee; and calcining the gel under air to obtain a fluorescent material expressed by a chemical formula ShCCekSrijJC^ , where χ=〇·〇〇1~0.5. The present invention also provides another method of preparing a fluorescent material, comprising the steps of: providing a mixture comprising a tin compound, a cerium compound and a base metal compound; grinding the mixture with a solvent to form a mixed slurry; The mixed slurry is placed in a crucible; the crucible is calcined in air to obtain a fluorescent material expressed by a chemical formula of SrKCeuSnOCU, wherein χ=0·001~0.5. The above and other objects, features and advantages of the present invention will become more <RTIgt; A novel fluorescent material, which is represented by a chemical formula as S^CebxSnjJC^, wherein X represents a composition ratio of tin (Sn), and its value is in the range of 0.001 to 0.5, preferably in the range of 0_01 to 0.3, and the optimum range is 0.05. -0.2 〇The size of this material ranges from 0.1 μm to 10 μm. The fluorescent material of the present invention has special optical properties and is mainly affected by the content of tin. When no tin is added, please refer to Fig. 1(a). The excitation wavelength of the material ranges from 220 nm to 430 nm. Between the excitation peaks of 294 nm and 345 nm, and the excitation peak of 294 nm is higher than the excitation peak of 345 nm, but when adding tin to this material, please

0991-A51305-TW 200951203 Referring to Figure 1(b), the wavelength of the excitation light of this fluorescent material ranges from 220 nm to 430 nm' and the main excitation peak gradually changes from 294 nm to 345 nm. This data represents The addition of tin contributes to the absorption of this material in the UV band (320-400 nm). In one embodiment, when the composition ratio of tin is 0.1, the absorption intensity at a wavelength of 345 nm is preferred. The Sr/CekSnJC^ fluorescent material of the present invention, when the material is excited at a wavelength of 345 nm, has a main emission light wavelength ranging from 450 to 530 nm, which is a blue light material. Similarly, when the composition ratio of tin is gradually increased, The intensity of the main Ο radiation peak of this fluorescent material will gradually increase. In one embodiment, the X value of the material is 0.1 Å and the intensity of the emitted light at a wavelength of 483 nm is preferred. At present, many commercial materials or research reports indicate that rare earth ions have special luminescent properties, mainly due to the characteristics of the 4 f electronic orbital of rare earth ions, which show different electronic transition forms. Therefore, the present invention also provides a fluorescent material comprising a host material and a dopant, the host material comprising an oxide of lanthanum, cerium and tin, the dopant comprising a rare earth element L, the fluorescent material being represented by a chemical formula as Sr/CeixSnjJC ^ : yL, wherein X represents the composition ratio of tin (Sn), and its value is from 0.001 to 0.5, preferably in the range of 0.01 to 0.3, and most preferably in the range of 0.05 to 0.2. And L represents a rare earth element including lanthanum (La), cerium (Ce), praseodymium (Pr), cerium (Nd), cerium (Sm), cerium (Eu), cerium (Gd), cerium (Tb), cerium ( 〇丫), 鈥 (11〇), 铒 (ugly, 鋥 (1'111), 镱 (Yb) or 钍 (Th), alone or in combination of the above, the doping amount y value is 0.001~0_3, The preferred range is from 0.003 to 0.2, and the optimum range is from 0.01 to CU. In addition, the size of the phosphor material is about 0.1 to 1 〇μπι. Since the host material itself has good absorption intensity in the UV band, the UV band is utilized. When the material is excited, a blue light material can be obtained. When the rare earth ions are doped, the rare earth ions have special light-emitting characteristics, so that the light-emitting intensity of the fluorescent material can be enhanced to make the light-emitting effect better.

0991-A51305-TW 200951203 In the embodiment, the fluorescent material comprises a doping ratio in which the X value is between 0.001 and 0.5' and the y value represents the rhyme (Eu), and the value is between 〇·〇〇1~0.3. . Since the emission range of the dopant Eu3+ is red, the material becomes a red fluorescent material whose main excitation light wavelength ranges from 29 〜 to 370 nm, and the main emission wavelength ranges from 5 〇〇 to 700 nm. . In a preferred embodiment, when the field y value is 0.1, the excitation light intensity at a wavelength of 345 nm is better, and the radiation intensity at a wavelength of 616 nm is better. In another embodiment, the fluorescent material comprises Sr2(CeixSnx)〇4: ySm3+, ❹=medium value is between G.GG1~G.5, and y value represents egg m) doping ratio, the value thereof &quot; at 0.001~0.3. Since the light-emitting range of the dopant Sm3+ is red light, the material becomes a red-light fluorescent material, whose main excitation light wavelength ranges from 29 〜 to 37 〇 nm ′ and the main emission light wavelength ranges from 500 to 700 nm. In another embodiment, the phosphor material comprises Sr2 (CenS) 〇 &quot; ySm3+, ZGd3+' wherein the X value is between ~〇·5, and the y value represents the doping ratio of 钐(Sm), /, The value 'I is in G.0G1 to G.3' and the z value indicates the doping ratio of *L(Gd), and the value is between (10) and 〇.3. Since the emission ranges of the dopants %3 + and Gd3+ are both red, the germanium material becomes a red fluorescent material, and the main excitation light wavelength range is m 370 _ ' and the main emission light wavelength range includes 500 nm to 700 nm. The invention also includes a method for preparing a glory material, which is prepared by using a sol-gel method (10)-(tetra)method), wherein χ=〇〇〇ι~〇5, comprising the following steps: (4) first providing an aqueous solution, The aqueous solution includes tin metal ions, and the metal ions of the Mingjin U can be formed, for example, by adding tin to the water, oxidizing the carbonic acid or the bismuth salt of the bismuth, and adding some strong acid to help if the added compound is not easily dissolved. Dissolving, for example, hydrochloric acid, _ or sulfuric acid; (b) subsequently adding a meal in this aqueous solution, wherein the chelating agent includes but is not limited

0991-A51305-TW 8 200951203 In citric acid, pentaethylenehexamine (PEHA), glycidyl methacrylate (GMA) or ethylenediaminetetraaccetic Acid, EDTA),. The effect of adding a chelating agent is that the chelating agent can bond with the metal ion to form a complex to improve the uniformity and reactivity of the metal ion distribution in the sol-gel method; (c) After stirring evenly Further adding a polymerization agent in the aqueous solution, wherein the polymerization agent includes, but not limited to, a polyol containing two or more hydroxyl groups, such as ethylene glycol or glycerin, and the polymerization agent is added to cause dehydration polymerization with the chelating agent to increase the reaction. Uniformity of ruthenium, and polymerization agent: chelating agent: the molar ratio of all metal ions is (1~10) : (1~4) : 1 ; (d) After stirring the aqueous solution uniformly, it is heated to 70 ° C ~35CTC to remove excess water and form a gel; (e) then heat the gel to 300 ° C ~ 800 ° C under air for 0.5 to 10 hours to remove excess water from the gel and Organic matter (F) In the air calcination the gel to a temperature of 700~1600 ° C, passes through the small 0.5~24, this fluorescent material can be obtained. @ The present invention also includes another method of preparing a fluorescent material, which is prepared by a solid-state method, wherein x = 0.001 to 0.5, comprising the following steps: (a) providing a mixture comprising An oxide, carbonate or nitrate of tin, antimony and bismuth; (b) grinding the mixture with a solvent by ball milling to form a mixed slurry, wherein the solvent comprises ethanol, methanol, acetone or isopropanol, Since the added particles are easily uneven in size, the composition is made uniform by ball milling; (c) the mixed slurry is placed in the crucible;

0991-A51305-TW 200951203 (d) Squeeze in air to a temperature of 700 ° C to 1600 ° C for 0.5 to 96 hours to obtain a fluorescent material. The fluorescent material obtained by the above production method was observed by a scanning electron microscope (SEM) to have a particle size of about 0.1 μm to ΙΟμπι. The excitation spectrum and the emission spectrum of the fluorescent material are measured by photoluminescence spectrometer (photoluminescent, PL). The main excitation spectrum wavelength is 220 nm~430 nm, which is in line with the absorption of UV band. The main emission wavelength range is 450 nm. ~ 530 nm, can be used as a fluorescent material. In the above method of preparing a fluorescent material, a rare earth element may be additionally added, and a compound containing a rare earth element such as an oxide, a carbonate or a nitrate of a rare earth element may be added. If the sol-gel method is used, the molar number of the rare earth element compound required is calculated according to the chemical formula to be synthesized, and then the polymerization agent: chelating agent: the molar ratio of all metal ions is (1 to 10): (1~ 4) : 1, and referring to the above synthesis method, a fluorescent material containing a rare earth element can be obtained. If the solid phase method is used, the proportion of the doped rare earth element is determined according to the chemical formula to be synthesized, the molar number of the rare earth element compound required is calculated, and the above-mentioned synthesis method can be used to obtain a fluorescent material containing a rare earth element. In the rare earth element-doped phosphor material, the range of the excitation spectrum and the emission spectrum φ varies depending on the dopant, and the intensity of the excitation or emission spectrum varies depending on the composition ratio of the dopant. The fluorescent material of the present invention can be applied to a light emitting diode (LED) or a field emission display (FED) in the future due to its good absorption in the UV band. [Examples] Example 1 Preparation of Sr2Ce04 According to the stoichiometric ratio of Sr2Ce04, the starting materials Sr(N〇3)2, Ce(N〇3)3 were added and deionized water was added to prepare an aqueous solution, and citric acid was added. As a chelating agent, after mixing evenly, add ethylene glycol as a polymerization agent.

0991-A51305-TW 200951203 The molar ratio of ethylene glycol, citric acid and metal ions is 4: 2: 1, the solution is uniformly stirred and heated to 70~350DC to remove excess water and form a gel. The glue was heated at 500 ° C in an air atmosphere for 2 hours to remove residual moisture and organic matter, and the obtained powder precursor was calcined at 1000 ° C for 4 hours in the air to obtain the desired powder. When the fluorescent material is not tin ion added, please refer to Fig. 1(a). An asymmetric broadband (220~430 nm) can be obtained in the excitation spectrum. After analysis, it is found that the two are located at 294 and 345 nm respectively. The excitation peak consists of a peak at 294 nm that is higher than the peak at 345 nm. The phosphor is excited at 345 nm, see Figure 2 (a), which has a broad emission peak at 483 nm and is a blue light. Example 2 Preparation of Sr2(Ce〇.93Sn〇.Q7)〇4 According to the stoichiometric ratio of Sr2(Ce〇.93Sn〇.〇7)〇4, SnO was dissolved in a small amount of acid, and the starting material Sr(N) was added. 〇3)2, Ce(N03)3 and add deionized water to prepare an aqueous solution, add citric acid as a chelating agent, and after mixing uniformly, add ethylene glycol as a polymerization agent. 'In which the molar ratio of ethylene glycol, citric acid and metal ions is 4:2: 1, the solution is uniformly stirred and heated to 70-350 ° C to remove excess water and form a gel. The residual moisture and organic matter were removed by heating at 500 ° C for 2 hours in an air atmosphere, and the obtained powder precursor was calcined at room temperature for 4 hours to obtain a desired powder. When the tin ion addition amount is increased to 0.07, please refer to Fig. 1(b). The excitation spectrum is still an asymmetric wide band (220~430 nm), which is composed of excitation peaks of 294 nm and 345 nm. The intensity of the excitation peak at 345 nm was increased as compared with Example 1, and the intensity of the excitation peak at 294 nm was lower than that of Example 1. The phosphor is excited at 345 nm, see Figure 2(b), and the emission spectrum is still at 483 11

0991-A51305-TW 200951203 nm, the light emission intensity is higher than that of the fluorescent material without adding tin (Example 1). Example 3 Preparation of Sr2(CeG.8SnG.2)04 According to the stoichiometric ratio of Sr2(Ce〇.8Sn〇.2)〇4, SnO was dissolved in a small amount of acid, and the starting materials Sr(N03)2, Ce ( N03)3 is added with deionized water to prepare an aqueous solution, citric acid is added as a chelating agent, and after mixing uniformly, ethylene glycol is added as a polymerization agent, wherein ethylene glycol and citric acid are used. The molar ratio to the metal ion is 4:2:1, the solution is uniformly stirred and heated to 70-350 ° C to remove excess water and form a gel, and then the gel is heated at 500 ° in an air atmosphere. C, 2 hours to remove residual water and organic matter, the obtained powder precursors were calcined at room temperature for 4 hours to obtain the desired powder. Increasing the amount of tin ions added to 0.2, see Figure 3, where an asymmetric broadband (220~430 nm) is obtained in the excitation spectrum, and the intensity of the excitation peak at 350 nm in the excitation spectrum continues to increase, while at 294 nm. The intensity of the excitation peak decreases. The phosphor was excited at 345 nm. See Figure 4 for a broad emission peak in the blue region at 483 nm.实施 Example 4 Preparation of SrXCeuSnojCXt According to the stoichiometric ratio of Sr2(CeG.6Sn〇.4)〇4, SnO is dissolved in a small amount of acid, and the starting materials Sr(N03)2, Ce(N03)3 are added and deionized water is added. Formulated into an aqueous solution, adding citric acid as a chelating agent, and after mixing uniformly, ethylene glycol is added as a polymerization agent, wherein the molar ratio of ethylene glycol, citric acid and metal ions is 4 : 2 : 1, the solution is uniformly stirred and heated to 70 to 350 ° C to remove excess water and form a gel, after which the gel is heated at 500 ° C in an air atmosphere for 2 hours to remove residual moisture and organic matter. The obtained powder precursor was calcined at room temperature for 4 hours to obtain the desired powder. 12

0991-A51305-TW 200951203 Increase the amount of tin ions added to 〇·4, see Figure 5, where an asymmetric broadband (220~ 430 nm) excitation peak is obtained in the excitation spectrum at 350 nm. The intensity continues to increase while the intensity of the excitation peak at 294 nm decreases. The phosphor was excited at 345 nm, see Figure 6 for a broad emission peak in a blue region with a wavelength at 483 nm. Example 5 Preparation of Sr2 (Ce〇.wSno.oOC^: 0.01Eu3+ according to Sr2 (Ce0 93 Sn0.07)O4: 0.01Eu3+ stoichiometric ratio, SnO was dissolved in © a small amount of acid, and the starting material Sr(N03) was added. 2, Ce (N03) 3 and En2 〇 3, and add deionized water to prepare an aqueous solution, add citric acid as an integrator, after mixing uniformly, add ethylene glycol as a polymerization The molar ratio of ethylene glycol, citric acid and metal ions is 4:2: i, the solution is uniformly stirred and heated to 70-350 ° C to remove excess water and form a gel, and then the gel is formed. After heating at 500 ° C in an air atmosphere, the remaining water and organic matter were removed for 2 hours, and the obtained powder precursor was calcined at 100 rc for 4 hours to obtain the desired powder. The ratio of the fixed tin ion addition amount was G.G7, #Add a very small amount of ytterbium ions (y= Φ 〇·〇1), please refer to Figure 7, the excitation spectrum consists of a broadband (220~430 nm) and several sharp fronts (397 and 417 nm). The highest peak of this broadband is located near 345 nm. This fluorescent village material is excited at 345 nm, please refer to Figure 8, which can be obtained in the ~~ (10) Sharp radiation peak, the highest peak position is 616_, belonging to the red light region. Example 6 Preparation of Sr2(CeG.93SnM7K)4 : 〇1Eu3+ According to Sr2(Ce 〇.93 Sn 0·07) Ο4 : 〇. In the acid, add the starting materials Sr(N03)2, ee(NQ3)3^, and η water to prepare an aqueous solution. Add lemon: Add: remove the tick and add 'ethylene glycol-mix:

0991-A51305-TW 13 200951203 The molar ratio of citric acid to metal ion is 4 · 2 . 1. Stir the solution evenly and heat it to 70~350. 0: Remove excess water and form a gel, then condense it. The glue was heated at 500 ° C in an air atmosphere, and the remaining moisture and organic matter were removed in 2 hours. The obtained powder precursor was calcined in air for 4 hours to obtain the desired powder. The fixed tin ion addition ratio is 0.07. When adding more 铕^ (y=〇1), please refer to Fig. 9. The excitation spectrum is still a wide band (22〇~43〇nm) and several sharp edges. Composed of (397 and 417 nm), the highest peak of this broadband is located near 345 melons. The phosphor is excited at 345 nm. See Figure 1 for multiple sharp peaks at 45 〇 to 7 〇〇 nm. The southernmost peak is at 616 nm, which is a red region. Example 7 Preparation of Sr2 (Ce〇.93Sn〇.()7)〇4 : 〇_2eu3+ According to Sr2(Ce〇.93Sn0.07)〇4 : 0.2 Eu3+ stoichiometric ratio, Sn〇 is dissolved in a small amount of acid, Add the starting materials Sr(N03)2, Ce(N〇3)3 and Eu2〇3, add deionized water to prepare an aqueous solution, add citric acid as a chelating agent, stir evenly, add B Glycol (ethylene glyc〇l) as a polymerization agent, wherein the molar ratio of ethylene glycol, citric acid to metal ions is 4: 2: 1, the solution is evenly disturbed and then heated to φ to 70~350 ° C In order to remove excess water and form a gel, the gel is heated at 500 ° C in an air atmosphere for 2 hours to remove residual moisture and organic matter, and the obtained powder precursor is calcined at 1000 ° C for 4 hours in the air. , you have the desired powder. The tin ion addition ratio is fixed to 〇·〇7. When adding more luminescence ions, please refer to Fig. 11'. The excitation spectrum is still composed of a broad band and several sharp fronts. The highest peak of the excitation spectrum is around 345 nm. Excitation of this phosphor at 345 nm, please see Figure 12, can obtain multiple sharp radiation peaks at 450 ~ 700 nm, the highest peak at 616 nm ' belongs to the red region, the intensity of the light with the amount of strontium ions added Increase and enhance.

Example 8 Preparation of Si^CeowSno.WC^ : 〇.〇5Sm3+ 0991-A51305-TW 14 200951203 High purity SrC03, Ce02, Sn02 and Sm2〇3 according to Sr2(Ce0.93Sn0.07) 〇4: 〇.〇5Sm3+ The stoichiometric ratio is added to the appropriate amount of ethanol as the medium. After the ball mill is uniformly ground, a mixed slurry is obtained, and the slurry is dried and placed in an oxidized shackle. The mixture is simmered in air at a temperature of 1 〇〇 (^c) After 4 hours, you can get the desired fluorescent material. The fixed tin ion molar ratio is 〇.〇7, and the 钐 ion molar ratio is 0.05 'see Figure 13 'It can be observed at 22〇~430 nm A broad excitation spectrum, the highest peak of the excitation spectrum is around 345 nm. When the fluorescing powder is excited at 345 nm, please see Figure 14 to observe several sharp radiation peaks in the wavelength range of 550~700 nm. Red light region. Example 9 Preparation of Sr2 (Ce0.93Sn〇.()7)04 : 〇_〇3Sm3+, 0.03Gd3+ High purity SrC03, Ce02, Sn02, Sm203 and Gd203 according to S^Ceo.wSiioWCU : 〇.〇 The stoichiometric ratio of 3Sm3+ and 0.03Gd3+, adding an appropriate amount of ethanol as a medium, after being uniformly ground by a ball mill, The slurry is dried, and then dried in an alumina crucible, simmered in air at a temperature of 1000 ° C, and after 4 φ hours, the desired fluorescent material is obtained. The ratio of the fixed tin ion molar is 〇 〇7, the ratio of erbium ions and erbium ions is fixed to 0.03, please refer to Fig. 15, which can observe a broad excitation peak at 220~430 nm, in addition, compared with Fig. 13 (not Doped with ytterbium (13+ fluorescent material), this example adds several sharp excitation peaks between 400 and 450 nm, but the highest peak is still around 345 nm. The fluorescent material is excited by 345 nm energy, see Figure 16 'A set of sharp radiant peaks (550 nm to 7 〇〇 nm) is observed, which is the energy transition of the erbium ions in the red region. Although the invention has been disclosed above in several preferred embodiments, it is not To define the invention, any person having ordinary knowledge in the art, without departing from the present invention

0991-A51305-TW 15 200951203 In the spirit and scope of the invention, the scope of protection of the invention is defined by the scope of the appended claims.

16

0991-A51305-TW 200951203 [Simplified Schematic] Figures 1, 3, 5, 7, 9, 11, 13, and 15 are a fluorescence excitation spectrum for illustrating the wavelength of the excitation light of the embodiment of the present invention. strength. Figures 2, 4, 6, 8, 10, 12, 14, and 16 show a fluorescence emission spectrum for illustrating the wavelength and intensity of the emitted light of an embodiment of the present invention. [Main component symbol description] No 0

0991-A51305-TW 17

Claims (1)

200951203 X. Patent application scope: It is expressed by chemical formula as Sr2(Cei_xSnx)〇4, wherein 2. The main excitation light wavelength of the fluorescent material as described in claim 1 is 22〇nm~43〇nm. 3_ The main emitting light of the fluorescent material as described in claim 1 is in the range of 450 nm to 530 nm. 4. The fluorescent material as described in claim 1 is a blue fluorescent material. 5. The particle size of the fluorescent material as described in claim 1 is 0.1 μπι to 10 μιη. 6. A fluorescent material comprising: a host material comprising an oxide of lithium, lanthanum, tin; a dopant comprising a rare earth element L, the fluorescent material being represented by a chemical formula as Sr2 (Ce "xSnx) 〇 4 : yL ' where x=〇〇〇1~〇5, y=〇〇〇1~〇3. 1. A fluorescent material χ = 0.001~0.5. Wherein the fluorescent material, wherein the fluorescent material is the fluorescent material, wherein the fluorescent material is the fluorescent material according to claim 6, wherein the rare earth element L comprises lanthanum (La) or cerium (Ce). , 镨 (Pr), 鈥 (10)), 钐 (Sm), 铕 (4), 釓 (Gd), 铽 (Tb), 镝 (Dy), 鈥 (H〇), 铒 (Er), 铥 (Tm), 镱Or stove (several), alone or a combination of the above. 8. The fluorescent material according to claim 6, wherein the fluorescent material has a particle size of from 0.1 μm to 10 μm. 9_ The fluorescent material according to the above-mentioned claim, wherein the fluorescent material comprises SrKCerxSnJCXt: yEu3+, wherein χ=〇_〇〇ι~〇 5, y = 〇 〇〇1~〇 3. 10. The phosphor material of claim 9, wherein the phosphor material has a primary excitation light wavelength in the range of 290 nm to 370 nm. The fluorescent material according to claim 9, wherein the fluorescent material 〇99]-A513〇5-TW 18 200951203 has a main emission wavelength ranging from 500 nm to 700 nm. 12. The fluorescent material of claim 9, wherein the fluorescent material is a red fluorescent material. 13. The fluorescent material according to claim 6, wherein the fluorescent material comprises Sr2(cei-xSnx)04: ySm3+, wherein χ=〇.〇〇ι~0.5 'y=〇〇〇1~ 〇 3. Wherein the fluorescent material is the fluorescent material, wherein the fluorescent material, wherein the fluorescent material is x=〇.〇01 ～0.5, y 14. The fluorescent material according to claim 13 The main excitation light wavelength ranges from 290 nm to 370 nm. 15. The main emission light of the fluorescent material described in claim 13 is in the range of 500 nm to 700 nm. 16. The fluorescent material described in claim 13 is a red fluorescent material. 17. The phosphor material as described in claim 6 includes Sr2(Cei-xSnx)〇4: ySm3+, zGd3+, where =0.001-0.3 &gt; z=0.〇〇l~〇.3 〇18 The main excitation light wavelength range of the phosphor material as described in claim 17 is 丨29〇nm~37〇nm. A. The primary material of the fluorescent material described in the scope of the patent application is the range of 500~700 nm. , w phosphor material 20 · The fluorescent material described in claim 17 is a red and green fluorescent material. k phosphor material 21 - a method for preparing a fluorescent material, comprising the steps of: providing an aqueous solution comprising a tin metal from a molybdenum ruthenium metal ion; adding a chelating agent to the aqueous solution; and adding a polymerization agent in the aqueous solution; heating the water; the gluten solution to form a gel; 0991-A51305-TW 200951203 heating to remove excess moisture in the gel; and calcining the gel under air to obtain a fluorescent The material, the fluorescent material is expressed by the chemical formula as Sr2(Ce-xSnx)04, where x=0.001~0.5. 22. The method of preparing a fluorescent material according to claim 21, wherein the metal ion is an oxide, carbonate or nitrate of tin, antimony and bismuth. 23. The method of preparing a fluorescent material according to claim 21, wherein the chelating agent comprises citric acid, pentaethylene hexamine (PEHA), methacrylic acid glycidol vinegar ( Glycidyl ❹ methacrylate, GMA) or ethylenediaminetetraaccetic acid (EDTA). 24. The method of preparing a fluorescent material according to claim 21, wherein the polymerization agent comprises a polyol having two or more hydroxyl groups. 25. The method of preparing a fluorescent material according to claim 24, wherein the polyol comprises ethylene glycol. 26. The method of preparing a fluorescent material according to claim 21, wherein the polymerization agent: the chelating agent: the molar ratio of all the metal ions is © (1 to 10): (1 to 4) : 1. 27. The method of preparing a fluorescent material according to claim 21, wherein the aqueous solution is heated to form the gel at a temperature ranging from 70 ° C to 350 ° C. 28. The method of preparing a fluorescent material according to claim 21, wherein the gel is calcined under air at a temperature ranging from 7 ° C to 1600 ° C. 29. A method of preparing a fluorescent material, comprising the steps of: providing a mixture comprising a tin compound, a crane compound and a cerium compound; grinding the mixture with a solvent to form a mixed slurry; In one ;; and 20 0991-A51305-TW 200951203, in the air, the burnt horse is burned to obtain - the work light type is expressed as Sr2 (C~ xSn> 〇, 'i fluorescent material is chemical x) 〇 4, Where x = 0.001 ~ 〇.5. A method of preparing a mixture of sputum and stalks as described in claim 29 of the patent application, which is as claimed in claim 29, as claimed in the patent application, carbonate or acid salt. The preparation of the fluorescent material described in item 29 includes the ethanol, methanol, acetone or isopropanol. The method of cockroach, 32. The temperature range of the smoldering in the air prepared in the preparation of the fluoran as described in claim 29 of the patent application range is 70 (TC~160 (rc. ru, its 0991-A51305- TW 2]