CN1024673C - 红色发射荧光粉及其制备工艺 - Google Patents
红色发射荧光粉及其制备工艺 Download PDFInfo
- Publication number
- CN1024673C CN1024673C CN 89109464 CN89109464A CN1024673C CN 1024673 C CN1024673 C CN 1024673C CN 89109464 CN89109464 CN 89109464 CN 89109464 A CN89109464 A CN 89109464A CN 1024673 C CN1024673 C CN 1024673C
- Authority
- CN
- China
- Prior art keywords
- red
- tranmitting
- phosphor powder
- powder
- sio
- 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.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 title claims abstract description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims description 7
- 238000002360 preparation method Methods 0.000 title claims description 3
- 239000000463 material Substances 0.000 claims description 11
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 10
- 238000001354 calcination Methods 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 239000003086 colorant Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- 239000002994 raw material Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 rare earth ion Chemical class 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Landscapes
- Luminescent Compositions (AREA)
Abstract
一种红色发射荧光粉(Y1-xEux)2O3·yMuOz(0.01≤x≤0.2;0.01≤y≤2(或1);MuOz=Al2O3或SiO2),采用(Y1-xEux)2O3成品与Al2O3(或SiO2)直接混匀,灼烧制成,由本工艺制得的红色发射荧光粉具有同(Y1-xEux)2O3相似的主峰波长、色度坐标和发光亮度,而原料成本却有较大的降低。
Description
本发明属于荧光粉及其制造工艺。
低压汞蒸气灯三基色混合粉的红色组份目前都使用Y2O3∶Eu,但这个化合物需用较多量的稀土离子Eu3+作为激活剂,而氧化铕Eu2O3的价格十分昂贵,加上基质Y2O3的价格亦比较高,造成Y2O3∶Eu红粉很高的原料成本,不利于它的推广应用。1987年捷克专利CS236,389提出了化学式为(Y1-xEux)2O3·ySiO2(0.01≤x≤0.3,1≤y≤6)的红色发射荧光粉,它较之Y2O3∶Eu,原料费用有较大的降低,但是专利报道的合成方法为Y2O3,Eu2O3和SiO2混匀,经灼烧成产品,这样制成的荧光粉亮度远不如Y2O3∶Eu,而且光谱能量分布也有差异,性能有较大的下降。
本发明的目的是提出一种性能同Y2O3∶Eu相仿,而原料费用有较大幅度降低的红色发射荧光粉以及与之相适应的荧光粉制作工艺。
本发明提出的红色发射荧光粉以三基色红粉Y2O3∶Eu为基本材料,其化学式为(y1-xEux)2O3·yMnOz,这里,下标x,y表示该元素的用量范围,MuOz表示氧化物Al2O3或SiO2,Al2O3可用Al2(OH)3代替。当MuOz为Al2O3(或Al2(OH)3)时,0.01≤x≤0.2,0.01≤y≤2,当MuOz为SiO2时,0.01≤x≤0.2,0.01≤y≤1。
本发明提出的上述红色发射荧光粉(Y1-xEux)2O3·yMuOz的制作方法如下:将三基色红粉成品Y2O3∶Eu和Al2O3(或Al2(OH)3)或SiO2直接混合,于800℃~1400℃灼烧0.5~5小时,即得所需荧光粉。Al2O3的加入量为Y2O3∶Eu用量0.01~2(mole比),Al2O3可用Al2(OH)3代替。SiO2的加入量为Y2O3∶Eu用量的0.01~1(mole比)。本方法中,SiO2的加入量还可扩大到Y2O3∶Eu用量的0.01~6(mole比)。这个制作方法的特点是工艺简单,荧光粉的发光性质同Y2O3∶Eu相仿,避免了由Y2O3∶Eu制备原料中加入Al2O3或SiO2易生成稀土铝酸盐或硅酸盐而造成亮度下降以及发光光谱改变等缺点,因而既降低了荧光粉制作的原料成本又保证了荧光粉的发光性能。
本发明的制作方法中,不同的灼烧温度对荧光粉的亮度有较大的影响,结果见表1和表2。(表1、2见文后)
本发明荧光粉的最大峰值为611nm,色度坐标为x=0.646±0.005,y=0.350±0.005,同(Y0.96Eu0.04)2O3红粉的峰值611nm,色坐标x=0.646,y=0.350相同。
实施例1:取(Y0.96Eu0.04)2O3红粉23克,加Al2O34克混合均匀,于1100℃灼烧2小时,冷却取出,粉碎过200目筛,即得成品,色坐标为x=0.646,y=0.350,亮度为(Y0.96Eu0.04)2O3的98-100%。
实施例2:取(Y0.96Eu0.04)2O3红粉20克,加SiO23.0克,混合均匀,于1150℃灼烧2小时,冷却取出,粉碎后即提成品,色坐标为x=0.646,y=0.350,亮度为(Y0.96Eu0.04)2O3的98-100%。
表1、不同灼烧温度对(Y0.96Eu0.04)2O3·0.5Al2O3亮度的影响
温度(℃) 800 900 1000 1100 1200 1300 1400
(Y0.96Eu0.04)2O3·0.5Al2O*1 395 98 98 100 98 90 85
*1以(Y0.96Eu0.04)2O3的亮度为100。
表2、不同灼烧温度对(Y0.96Eu0.04)2O3·0.5Al2O3亮度的影响
温度(℃) 800 900 1000 1100 1200 1300 1400
(Y0.96Eu0.04)2O3·0.5Al2O*2 395 99 99 100 96 94 88
*2以(Y0.96Eu0.04)2O3的亮度为100。
Claims (1)
- 一种红色发射荧光粉的制备工艺,以三基色红粉Y2O3∶Eu为基本材料,其特征在于还加上Al2O3(或Al2(OH)3)或SiO2,直接混和,于800℃~1400℃灼烧0.5~5小时,Al2O3(或Al2(OH)3)的加入量为Y2O3∶Eu用量的0.1~2(mole比),SiO2的加入量为Y2O3∶Eu用量的0.01~2(mole比)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 89109464 CN1024673C (zh) | 1989-12-13 | 1989-12-13 | 红色发射荧光粉及其制备工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 89109464 CN1024673C (zh) | 1989-12-13 | 1989-12-13 | 红色发射荧光粉及其制备工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1044114A CN1044114A (zh) | 1990-07-25 |
CN1024673C true CN1024673C (zh) | 1994-05-25 |
Family
ID=4858022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 89109464 Expired - Fee Related CN1024673C (zh) | 1989-12-13 | 1989-12-13 | 红色发射荧光粉及其制备工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1024673C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012006771A1 (zh) * | 2010-07-12 | 2012-01-19 | 海洋王照明科技股份有限公司 | 氧化物发光材料及其制备方法 |
-
1989
- 1989-12-13 CN CN 89109464 patent/CN1024673C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1044114A (zh) | 1990-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101726246B1 (ko) | 질소산화물 등색-적색 형광물질 및 그 형광물질을 포함한 발광막 혹은 발광시트 및 발광소자 | |
CN102421869A (zh) | 基于Eu2+-(共)掺杂石榴石混晶的发光物质及其制备和用途 | |
CN101445729B (zh) | 一种白光led用荧光粉的制备方法 | |
CN101307228B (zh) | 氯铝硅酸盐荧光粉及其制备方法 | |
CN1053807A (zh) | 长余辉磷光材料及其制备 | |
US3211666A (en) | Phosphor | |
CN100580052C (zh) | 一种可被紫外光、蓝光led激发而发红光的荧光粉 | |
CN112625683A (zh) | 一种锗酸盐型红色荧光粉及制备方法 | |
CN1024673C (zh) | 红色发射荧光粉及其制备工艺 | |
CN110484251B (zh) | 一种磷铝酸锶锂钠荧光粉及其制备方法 | |
CN107325813B (zh) | 一种蓝绿色荧光材料及其制备方法 | |
CN108276998B (zh) | 三价钐离子掺杂钛酸钆钡红色荧光粉及其制备方法 | |
JP2000017257A (ja) | 蛍光体及びそれを用いた発光スクリーン | |
CN1028872C (zh) | 稀土铝酸盐绿色发射荧光体的制备方法 | |
CN1067097C (zh) | 稀土Al2O2-B2O3绿色发光材料制备 | |
JP3098266B2 (ja) | 発光組成物及び蛍光ランプ | |
US3359210A (en) | Green-yellow emitting europium alumino silicate phosphor | |
KR20060106196A (ko) | 장중파장 자외선용 청색 형광체 및 그의 제조 방법 | |
KR100285274B1 (ko) | 가돌리늄알루미네이트계 녹색 형광체와 이의 제조방법 | |
CN1664055A (zh) | 一种小粒径硅酸锌锰绿色荧光粉的制备方法 | |
CN115261017B (zh) | 一种能够被紫光激发的蓝光发光材料及其制备方法 | |
CN110951489B (zh) | 一种铕激活的硅酸盐蓝光荧光粉及其制备方法 | |
KR100415133B1 (ko) | Bam 형광체의 입자형태 조절방법 | |
CN106381144A (zh) | 一种绿色荧光粉及其制备方法 | |
JPH04270782A (ja) | 蛍光体およびこれを用いた蛍光ランプ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
C10 | Entry into substantive examination | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |