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1. 中国地质大学 材料与化学学院,湖北 武汉,430074
2. 中国地质大学 教育部纳米矿物材料及应用工程研究中心,湖北 武汉,430074
纸质出版日期:2013-2-10,
收稿日期:2012-10-25,
修回日期:2012-12-19,
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夏章艮, 梁玉军, 黄文珠, 李云丽, 杨帆, 李雪静. 新型绿色发光材料(Ce<sub>0.67</sub>Tb<sub>0.33</sub>)MgAl<sub>11</sub>O<sub>19</sub>∶Mn<sup>2+</sup>的合成及其光学性能[J]. 发光学报, 2013,34(2): 144-148
XIA Zhang-gen, LIANG Yu-jun, HUANG Wen-zhu, LI Yun-li, YANG Fan, LI Xue-jing. Synthesis and Photoluminescence Properties of A Novel Green-emitting Phosphor(Ce<sub>0.67</sub>Tb<sub>0.33</sub>)MgAl<sub>11</sub>O<sub>19</sub>∶Mn<sup>2+</sup>[J]. Chinese Journal of Luminescence, 2013,34(2): 144-148
夏章艮, 梁玉军, 黄文珠, 李云丽, 杨帆, 李雪静. 新型绿色发光材料(Ce<sub>0.67</sub>Tb<sub>0.33</sub>)MgAl<sub>11</sub>O<sub>19</sub>∶Mn<sup>2+</sup>的合成及其光学性能[J]. 发光学报, 2013,34(2): 144-148 DOI: 10.3788/fgxb20133402.0144.
XIA Zhang-gen, LIANG Yu-jun, HUANG Wen-zhu, LI Yun-li, YANG Fan, LI Xue-jing. Synthesis and Photoluminescence Properties of A Novel Green-emitting Phosphor(Ce<sub>0.67</sub>Tb<sub>0.33</sub>)MgAl<sub>11</sub>O<sub>19</sub>∶Mn<sup>2+</sup>[J]. Chinese Journal of Luminescence, 2013,34(2): 144-148 DOI: 10.3788/fgxb20133402.0144.
采用高温固相法成功地合成了新型高效绿色荧光粉 (Ce
0.67
Tb
0.33
)Mg
1-
x
Al
11
O
19
∶
x
Mn
2+
。通过XRD和荧光光谱等对其结构及发光性能进行了系统研究。结果表明:新合成的(Ce
0.67
Tb
0.33
)Mg
1-
x
Al
11
O
19
∶
x
Mn
2+
与典型的商用绿粉(Ce
0.67
Tb
0.33
)MgAl
11
O
19
(CMAT)具有相同的晶体结构;激发光谱处于237~326 nm范围内
由一个峰位位于291 nm的宽激发带组成
这是典型的Ce
3+
的特征激发;在紫外光激发下
该荧光粉除了在490
541
590
620 nm存在Tb
3+
的特征发射峰外
还在516 nm出现了一个较强的归属于Mn
2+
的
4
T
1g
(G)
6
A
1g
(S)电子跃迁的宽发射峰。Mn
2+
作为共激活剂增大了该荧光材料在绿色区域的发射面积
其中(Ce
0.67
Tb
0.33
)Mg
0.850
Al
11
O
19
∶0.150Mn
2+
荧光粉发射光谱的积分面积最大
为CMAT的226%
其CIE坐标为(0.194
0.695)
比CMAT(0.288
0.572)更加接近NTSC标准值(0.21
0.71)
即Mn
2+
的引入不但提高了荧光粉的发光效率
而且改善了其色纯度。结果表明新型(Ce
0.67
Tb
0.33
)Mg
1-
x
Al
11
O
19
∶
x
Mn
2+
绿色荧光粉比传统的CMAT在显示领域具有更好的潜在应用前景。
The novel green-emission phosphors (Ce
0.67
Tb
0.33
)Mg
1-
x
Al
11
O
19
∶
x
Mn
2+
have been prepared at 1 300℃ by solid-state reaction method. The crystal structure and photoluminescence properties were characterized by XRD and fluorescence spectra
respectively. The results show that (Ce
0.67
Tb
0.33
)Mg
1-
x
Al
11
O
19
∶
x
Mn
2+
has the same crystal structure with the typical commercial green phosphor (Ce
0.67
Tb
0.33
)MgAl
11
O
19
(CMAT). The excitation spectrum consists of a broad band range from 237 to 326 nm centered at 291 nm
which can be attributed to the characteristic excitation peaks of Ce
3+
. While excited under ultraviolet light
the phosphors exhibit not only the characteristic emission peaks of Tb
3+
at 490
541
590 and 620 nm
but also a new broad emission band around 516 nm
which is assigned to the
4
T
1g
(G)
6
A
1g
(S) electron transition of Mn
2+
. The integral area of the emission spectrum increases while doped with Mn
2+
as a co-activator
and the integral area is about 226% of CMAT as
x
=15.0%
and the CIE 1931 chromaticity coordinates of Mn
2+
doped phosphors (0.194
0.695) are closer to the NTSC standard values (0.21
0.71) while compared with CMAT (0.288
0.572). The results indicate that this new phosphor has a higher luminous efficiency in green area and color purity than that of CMAT
and it has a promising application in display fields.
(Ce0.67Tb0.33)Mg1-xAl11O19∶xMn2+荧光粉光致发光
(Ce0.67Tb0.33)Mg1-xAl11O19∶xMn2+phosphorsphotoluminescence
Zhou J, Wang Y H, Liu B B, et al. Effect of H3BO3 on structure and photoluminescence of BaAl12O19∶Mn2+ phosphor under VUV excitation [J]. J. Alloys Compd., 2009, 484(1/2):439-443.[2] Singh V, Natarajan V, Zhu J J. Luminescence and EPR investigations of Mn activated calcium aluminate prepared via combustion method [J]. Opt. Mater., 2007, 30(3):468-472.[3] Hong G Y, Jeoung B W, Jeon B S, et al. Improvement of discharge characteristics of the Zn2SiO4∶Mn2+ phosphor layer in plasma display panels [J]. J. Electrochem. Soc., 2004, 151(10):H205-H209.[4] Ronda C R. Recent achievements in research on phosphors for lamps and displays [J]. J. Lumin., 1997, 72/73/74(1):49-54.[5] Feldmann C, Jüstel T, Ronda C R. Inorganic luminescent materials: 100 years of research and application [J]. Adv. Funct. Mater., 2003, 13(7):511-516.[6] Yang D M, Hu W Y, Liu X, et al. Synthesis of (Ce0.67Tb0.33)MgAl11O19 phosphors by combustion method and its luminescent properties [J]. J. Southwest Univ. Sci. Technol.(西南科技大学学报), 2008, 23(3):5-7 (in Chinese).[7] Hu X F, Ma L, Yan S R, et al. Effect of A12O3 morphology on the properties and luminescence of Ce0.67Tb0.33MgAl11O19 phosphor [J]. Chin. Rare Earths (稀土), 2007, 28(5):68-71 (in Chinese).[8] Feng Z Y, Zhuang W D, Huang X W, et al. Effect of MgF2-H3BO3 flux on the properties of (Ce,Tb)MgAl11O19 phosphor [J]. J. Rare. Earths (中国稀土学报:英文版), 2010, 28(3):351-355 (in English).[9] Park B K, Lee S S, Kang J K, et al. Single-step solid-state synthesis of CeMgAl11O19∶Tb phosphor [J]. Bull. Korean Chem. Soc., 2007, 28(9):1467-1471.[10] Zhang J Y, Zhang Z T, Tang Z L, et al. Mn2+ luminescence in (Ce,Tb)MgAl11O19 phosphor [J]. Mater. Chem. Phys., 2001, 72(1):81-84.[11] Zhang J Y, Zhang L, Tang Z L, et al. Luminescent properties of (Ce0.67Tb0.33)MnxMg1-xAl11O19 phosphor in VUV region [J]. Ceram. Int., 2003, 29:583-586.[12] Cheng L H, Zhong H Y, Sun J S, et al. Solid state reaction synthesis and spectroscopic properties of Gd2(MoO4)3∶Tb3+ phosphor [J]. Chin. J. Lumin.(发光学报), 2011, 32(12):1238-1242 (in Chinese).[13] Guan L, Zuo J G, Liu C, et al. Influence of Tb3+concentration on the luminescent properties of SrMoO4∶Tb3+ [J]. Chin. J. Lumin.(发光学报), 2011, 32(8):779-783 (in Chinese).[14] Ju G F, Hu Y H, Cheng L, et al. Photoluminescence properties of color-tunable SrMgAl10O17∶Eu2+,Mn2+ phosphors for UV LEDs [J]. J. Lumin., 2012, 132(7):1792-1797.[15] You H P, Song Y H, Jia G, et al. Energy transfer from Tb3+ to Mn2+ in LaMgAl11O19∶Tb, Mn phosphors [J]. Opt. Mater., 2008, 31(2):342-345.[16] Wang X, Tian L H. Photoluminescence characteristics of Na4Ca3(AlO2)10∶Eu2+,Mn2+ [J]. Chin. J. Lumin.(发光学报), 2011, 32(11):1109-1114 (in Chinese).[17] Shinde K N, Nagpure I M, Fulke A B, et al. Effect of temperature on intense green emitting Na2Ca(PO4)F∶Mn2+ phosphor [J]. J. Lumin., 2011, 26(5):363-367.
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