CN101054520A - Red luminescence phosphor - Google Patents

Red luminescence phosphor Download PDF

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Publication number
CN101054520A
CN101054520A CNA2007101057488A CN200710105748A CN101054520A CN 101054520 A CN101054520 A CN 101054520A CN A2007101057488 A CNA2007101057488 A CN A2007101057488A CN 200710105748 A CN200710105748 A CN 200710105748A CN 101054520 A CN101054520 A CN 101054520A
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levigate
insulations
finished product
packing
mixed
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王海容
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Abstract

The invention relates to a red luminous fluorescent powder, the formula of which is AMaM'bOd:Smx,Ry, wherein A is at least one of Mg, Ca, Sr, Ba, Zn, Li, Na, K and Rb, M is at least one of Al, Si, B and P, M' is at least one of F, Cl, Br and I, R is at least one of Eu, Ce, Dy, Nd, Pr, Ho, Er, Mn, Bi and Cr and 0.1<=a<=12, 0<=b<=25, 1<=d<=25, 0.0001<=x<=0.5 and 0<=y<=0.5. The red luminous fluorescent powder in the invention is a composite oxide, prepared in high-temperature solid-phase method. The substrate contains no toxic or hazardous chemical components such as precious rare earth, cadmium and sulfer. The invention has the advantages of simple preparing process, low production cost, stable chemical properties, good luminous performance, high thermal-stability, wide excitation wavelength and capable of being effectively excited by ultraviolet light, purple light or blue light LED etc. The invention can be widely used in white light LED.

Description

A kind of red luminescence phosphor
Technical field
The present invention relates to a kind of red luminescence phosphor, particularly a kind of can effectively being excited and produce the fluorescent material of red emission by UV-light, purple light or blue-ray LED.
Background technology
White light-emitting diodes (W-LED, white-light-emitting diode) as a kind of junction semiconductor electroluminescent device, have that operating voltage is low, current consumption is few, light weight, volume is little, the life-span is long, radiationless, pollution-free, series of advantages such as luminescence response fast, shock resistance and security are good and receiving much concern, be referred to as the 4th generation the solid cold light source.White light LEDs is mainly realized white light by two kinds of approach at present: a kind of is the fluorescence conversion hysteria, promptly uses single led chip and phosphor combination luminous; Another kind method is to adopt red, green, blue three-color LED chip portfolio luminous.
White light LEDs has been subjected to showing great attention to of countries in the world as the green illumination light source of energy-conserving and environment-protective of new generation, utilize UV-light, purple light or blue-ray LED excitated fluorescent powder and produce the main flow that white light is present white light LEDs development, the fluorescent material development of technology has important effect to the development of white light LEDs, and its performance directly influences brightness, chromaticity coordinates, colour temperature and the color developing etc. of white light LEDs.The ultraviolet leds technology is still immature at present, and existing red fluorescence powder is relatively poor at the excitating performance of purple light or the luminous wave band of blue-ray LED, and luminous efficiency is lower, becomes the bottleneck of LED with fluorescent material and even white light LEDs development.The LED that has has researched and developed mainly contains Ca with red fluorescence powder 3(VO4) 2: Eu 3+, YVO 4: Eu 3+, Y 2O 3: Eu 3+, Bi 3+, Y 2O 2S:Eu 3+, CaO:Eu 3+, CaMoO 4: Eu 3+, (Gd, Y, Eu) 2(MoO 4) 3: Sm 3+, (Sr, Ca) S:Eu 2+, Ca 5(SiO4) 2Cl 2: Eu 2+, Sr 2Si 5N 8: Eu 2+All also do not reach requirement of actual application Deng, these red fluorescence powders luminous efficiency, thermostability and chemical stability under purple light or blue-ray LED excite, so the LED of development of new becomes the focus of domestic and international research with red luminescence phosphor.
Summary of the invention
The objective of the invention is at the problems referred to above, propose that a kind of chemical property is stable, good luminous performance, Heat stability is good, can effectively be excited by UV-light, purple light or blue-ray LED and produce the fluorescent material of red emission.
The objective of the invention is to be achieved through the following technical solutions:
The chemical formula of a kind of red luminescence phosphor of the present invention is: AM aM ' bO d: Sm x, R y,
Wherein, A is at least a among Mg, Ca, Sr, Ba, Zn, Li, Na, K, the Rb;
M is at least a among Al, Si, B, the P;
M ' is at least a among F, Cl, Br, the I;
R is at least a among Eu, Ce, Dy, Nd, Pr, Ho, Er, Mn, Bi, the Cr;
0.1≤a≤12，0≤b≤25，1≤d≤25，0.0001≤x≤0.5，0≤y≤0.5。
Compared with prior art, red luminescence phosphor of the present invention is a kind of composite oxide material, do not contain poisonous and harmful Chemical Composition such as valuable rare earth and cadmium, sulphur in the matrix, the advantage that have that preparation technology is simple, production cost is low, chemical property is stable, good luminous performance, Heat stability is good, excitation wavelength range are wide, can effectively be excited by UV-light, purple light or blue-ray LED can be widely used in white light LEDs.
Ultraviolet leds of the present invention is meant that emission wavelength is the photodiode of 200nm～380nm;
Purple LED of the present invention is meant that emission wavelength is the photodiode of 380nm～420nm;
Blue-ray LED of the present invention is meant that emission wavelength is the photodiode of 420nm～490nm.
Red luminescence phosphor of the present invention can adopt prepared such as high temperature solid phase synthesis, sol-gel method, microwave sintering synthesis method, the technological process of its high temperature solid phase synthesis is: ground and mixed is even in proportion with various raw materials, in air or reducing atmosphere in 500～1600 ℃ of following sintering 1～10 hour, with the gained sinter levigate the finished product.
Description of drawings
Fig. 1 is the emmission spectrum figure of fluorescent material under the 410nm wavelength excites in the embodiment of the invention 1
Fig. 2 is the exciting light spectrogram of fluorescent material in 200～500nm wavelength region in the embodiment of the invention 1
Embodiment
Embodiment 1: take by weighing lime carbonate (CaCO 3) 4.0g, silicon-dioxide (SiO 2) 2.7g, aluminum oxide (Al 2O 3) 2.05g, Quilonum Retard (Li 2CO 3) 0.02g, boric acid (H 3BO 3) 0.37g, samarium sesquioxide (Sm 2O 3) 0.09g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1150 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.Its emmission spectrum is seen Fig. 1, and main emission peak also has very strong emission peak near 655nm about 610nm, totally present pure red emission; Its excitation spectrum is seen Fig. 2, and main excitation peak can effectively be excited by the UV-light in 260～490nm scope, purple light or blue light near 410nm, particularly at 405～420nm purple light wave band and 455～480nm blue wave band very strong absorption is arranged.
Embodiment 2: take by weighing lime carbonate (CaCO 3) 4.0g, silicon-dioxide (SiO 2) 1.35g, aluminum oxide (Al 2O 3) 2.05g, Quilonum Retard (Li 2CO 3) 0.02g, boric acid (H 3BO 3) 0.18g, samarium sesquioxide (Sm 2O 3) 0.04g, europiumsesquioxide (Eu 2O 3) 0.04g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1200 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 3: take by weighing Strontium carbonate powder (SrCO 3) 5.9g, silicon-dioxide (SiO 2) 1.35g, aluminum oxide (Al 2O 3) 2.05g, Quilonum Retard (Li 2CO 3) 0.02g, boric acid (H 3BO 3) 0.18g, samarium sesquioxide (Sm 2O 3) 0.04g, europiumsesquioxide (Eu 2O 3) 0.04g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1200 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 4: take by weighing magnesiumcarbonate (MgCO 3) 1.7g, silicon-dioxide (SiO 2) 2.7g, aluminum oxide (Al 2O 3) 4.1g, Quilonum Retard (Li 2CO 3) 0.02g, boric acid (H 3BO 3) 0.37g, samarium sesquioxide (Sm 2O 3) 0.09g, manganous carbonate (MnCO 3) 0.12g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1250 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 5: take by weighing lime carbonate (CaCO 3) 1.7g, calcium chloride (CaCl 2) 0.92g, aluminum oxide (Al 2O 3) 2.9g, yellow soda ash (Na 2CO 3) 0.01g, boric acid (H 3BO 3) 0.31g, samarium sesquioxide (Sm 2O 3) 0.04g, bismuth oxide (Bi 2O 3) 0.06g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1100 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 6: take by weighing lime carbonate (CaCO 3) 1.8g, aluminum oxide (Al 2O 3) 4.1g, Quilonum Retard (Li 2CO 3) 0.02g, boric acid (H 3BO 3) 2.5g, samarium sesquioxide (Sm 2O 3) 0.09g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1150 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 7: take by weighing lime carbonate (CaCO 3) 1.6g, magnesium fluoride (MgF 2) 0.25g, silicon-dioxide (SiO 2) 1.2g, aluminum oxide (Al 2O 3) 2.24g, boric acid (H 3BO 3) 0.19g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1100 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 8: take by weighing calcium dihydric pyrophosphate (CaH 2P 2O 7) 2.2g, lime carbonate (CaCO 3) 1.0g, aluminum oxide (Al 2O 3) 3.45g, salt of wormwood (K 2CO 3) 0.035g, boric acid (H 3BO 3) 0.37g, samarium sesquioxide (Sm 2O 3) 0.09g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1100 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 9: take by weighing lime carbonate (CaCO 3) 4.0g, silicon-dioxide (SiO 2) 2.7g, boric acid (H 3BO 3) 0.25g, samarium sesquioxide (Sm 2O 3) 0.09g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 1150 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 10: take by weighing lime carbonate (CaCO 3) 2.0g, salt of wormwood (K 2CO 3) 1.4g, aluminum oxide (Al 2O 3) 1.1g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 900 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 11: take by weighing lime carbonate (CaCO 3) 2.0g, Quilonum Retard (Li 2CO 3) 0.74g, aluminum oxide (Al 2O 3) 3.3g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 950 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 12: take by weighing lime carbonate (CaCO 3) 2.0g, Quilonum Retard (Li 2CO 3) 0.74g, silicon-dioxide (SiO 2) 1.3g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 900 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 13: take by weighing lime carbonate (CaCO 3) 2.0g, yellow soda ash (Na 2CO 3) 1.06g, silicon-dioxide (SiO 2) 1.3g, aluminum oxide (Al 2O 3) 3.3g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 900 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 14: take by weighing lime carbonate (CaCO 3) 2.0g, Quilonum Retard (Li 2CO 3) 0.74g, silicon-dioxide (SiO 2) 1.3g, boric acid (H 3BO 3) 1.25g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 650 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 15: take by weighing calcium dihydric pyrophosphate (CaH 2P 2O 7) 4.4g, Quilonum Retard (Li 2CO 3) 0.74g, silicon-dioxide (SiO 2) 1.3g, boric acid (H 3BO 3) 1.25g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 650 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 16: take by weighing calcium dihydric pyrophosphate (CaH 2P 2O 7) 4.4g, Quilonum Retard (Li 2CO 3) 0.74g, boric acid (H 3BO 3) 1.25g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 650 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 17: take by weighing calcium dihydric pyrophosphate (CaH 2P 2O 7) 4.4g, Quilonum Retard (Li 2CO 3) 0.74g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 800 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 18: take by weighing calcium dihydric pyrophosphate (CaH 2P 2O 7) 4.4g, Calcium Fluoride (Fluorspan) (CaF 2) 0.78g, Quilonum Retard (Li 2CO 3) 0.74g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in air of packing into was in 650 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 19: take by weighing Strontium carbonate powder (SrCO 3) 5.9g, boric acid (H 3BO 3) 2.6g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in reducing atmosphere of packing into was in 750 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 20: take by weighing lime carbonate (CaCO 3) 4.0g, boric acid (H 3BO 3) 1.3g, samarium sesquioxide (Sm 2O 3) 0.07g, manganous carbonate (MnCO 3) 0.18g, after abundant ground and mixed was even, the alumina crucible roasting in reducing atmosphere of packing into was in 800 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 21: take by weighing Strontium carbonate powder (SrCO 3) 5.9g, boric acid (H 3BO 3) 2.6g, Secondary ammonium phosphate ((NH 4) 2HPO 4) 5.8g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in reducing atmosphere of packing into was in 700 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 22: take by weighing calcium dihydric pyrophosphate (CaH 2P 2O 7) 8.6g, boric acid (H 3BO 3) 2.6g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in reducing atmosphere of packing into was in 700 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 23: take by weighing Strontium carbonate powder (SrCO 3) 2.9g, magnesiumcarbonate (MgCO 3) 1.65g, boric acid (H 3BO 3) 0.25g, Secondary ammonium phosphate ((NH 4) 2HPO 4) 2.9g, samarium sesquioxide (Sm 2O 3) 0.07g, after abundant ground and mixed was even, the alumina crucible roasting in reducing atmosphere of packing into was in 1200 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 24: take by weighing Strontium carbonate powder (SrCO 3) 2.9g, aluminum oxide (Al 2O 3) 3.3g, boric acid (H 3BO 3) 1.0g, samarium sesquioxide (Sm 2O 3) 0.03g, Dysprosium trioxide (Dy 2O 3) 0.1g, after abundant ground and mixed was even, the alumina crucible roasting in reducing atmosphere of packing into was in 1300 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.
Embodiment 25: take by weighing Strontium carbonate powder (SrCO 3) 4.4g, silicon-dioxide (SiO 2) 1.9g, boric acid (H 3BO 3) 1.25g, samarium sesquioxide (Sm 2O 3) 0.03g, after abundant ground and mixed was even, the alumina crucible roasting in reducing atmosphere of packing into was in 850 ℃ of insulations 3 hours, with the levigate the finished product that get of gained sinter.

Claims (2)

1, a kind of red luminescence phosphor is characterized in that: its chemical formula is: AM aM ' bO d: Sm x, R y, wherein,
A is at least a among Mg, Ca, Sr, Ba, Zn, Li, Na, K, the Rb;
M is at least a among Al, Si, B, the P;
M ' is at least a among F, Cl, Br, the I;
R is at least a among Eu, Ce, Dy, Nd, Pr, Ho, Er, Mn, Bi, the Cr;
0.1≤a≤12，0≤b≤25，1≤d≤25，0.0001≤x≤0.5，0≤y≤0.5。
2, a kind of red luminescence phosphor according to claim 1 is characterized in that: described red luminescence phosphor can effectively be excited by UV-light, purple light or blue-ray LED and produce red emission.
CNA2007101057488A 2007-05-29 2007-05-29 Red luminescence phosphor Pending CN101054520A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101570688A (en) * 2008-04-28 2009-11-04 大连路明发光科技股份有限公司 Red light-emitting material and light emitting device using same
CN102142514A (en) * 2010-01-28 2011-08-03 海洋王照明科技股份有限公司 LED luminous plate and preparation method thereof
CN101307228B (en) * 2008-02-29 2011-11-30 中国计量学院 Chlorine-aluminosilicate fluorescent powder and method for preparing same
CN102337130A (en) * 2010-07-14 2012-02-01 海洋王照明科技股份有限公司 Bismuth ion-doped germanosilicate luminescent material and preparation method thereof
CN102618278A (en) * 2012-03-05 2012-08-01 昆明理工大学 Bismuth ion-activated aluminosilicate long afterglow phosphor material and preparation method thereof
US8262934B2 (en) * 2007-11-21 2012-09-11 Samsung Electro-Mechanics Co., Ltd. Silicate phosphor and white light emitting device including the same
CN102796519A (en) * 2011-05-23 2012-11-28 海洋王照明科技股份有限公司 Luminescent thin film and preparation method and application thereof
CN113388396A (en) * 2020-03-13 2021-09-14 包头稀土研究院 Fluorescent material and preparation method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8262934B2 (en) * 2007-11-21 2012-09-11 Samsung Electro-Mechanics Co., Ltd. Silicate phosphor and white light emitting device including the same
CN101307228B (en) * 2008-02-29 2011-11-30 中国计量学院 Chlorine-aluminosilicate fluorescent powder and method for preparing same
CN101570688A (en) * 2008-04-28 2009-11-04 大连路明发光科技股份有限公司 Red light-emitting material and light emitting device using same
CN101570688B (en) * 2008-04-28 2013-05-15 大连路明发光科技股份有限公司 Red light-emitting material and light emitting device using same
CN102142514A (en) * 2010-01-28 2011-08-03 海洋王照明科技股份有限公司 LED luminous plate and preparation method thereof
CN102337130A (en) * 2010-07-14 2012-02-01 海洋王照明科技股份有限公司 Bismuth ion-doped germanosilicate luminescent material and preparation method thereof
CN102796519A (en) * 2011-05-23 2012-11-28 海洋王照明科技股份有限公司 Luminescent thin film and preparation method and application thereof
CN102796519B (en) * 2011-05-23 2014-06-11 海洋王照明科技股份有限公司 Luminescent thin film and preparation method and application thereof
CN102618278A (en) * 2012-03-05 2012-08-01 昆明理工大学 Bismuth ion-activated aluminosilicate long afterglow phosphor material and preparation method thereof
CN113388396A (en) * 2020-03-13 2021-09-14 包头稀土研究院 Fluorescent material and preparation method thereof

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