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成都理工大学 材料科学技术研究所,四川 成都,610059
收稿日期:2011-09-21,
修回日期:2011-11-15,
网络出版日期:2012-02-10,
纸质出版日期:2012-02-10
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邱克辉, 徐磊, 李峻峰, 权浩, 邓科文. Ca<sub>2</sub>Li<sub>2</sub>BiV<sub>3</sub>O<sub>12</sub>∶Eu<sup>3+</sup>荧光粉的制备和发光性能[J]. 发光学报, 2012,33(2): 161-165
QIU Ke-hui, XU Lei, LI Jun-feng, QUAN Hao, DENG Ke-wen. Synthesis and Luminescent Properties of Ca<sub>2</sub>Li<sub>2</sub>BiV<sub>3</sub>O<sub>12</sub>∶Eu<sup>3+</sup> Phosphor[J]. Chinese Journal of Luminescence, 2012,33(2): 161-165
邱克辉, 徐磊, 李峻峰, 权浩, 邓科文. Ca<sub>2</sub>Li<sub>2</sub>BiV<sub>3</sub>O<sub>12</sub>∶Eu<sup>3+</sup>荧光粉的制备和发光性能[J]. 发光学报, 2012,33(2): 161-165 DOI: 10.3788/fgxb20123302.0161.
QIU Ke-hui, XU Lei, LI Jun-feng, QUAN Hao, DENG Ke-wen. Synthesis and Luminescent Properties of Ca<sub>2</sub>Li<sub>2</sub>BiV<sub>3</sub>O<sub>12</sub>∶Eu<sup>3+</sup> Phosphor[J]. Chinese Journal of Luminescence, 2012,33(2): 161-165 DOI: 10.3788/fgxb20123302.0161.
采用高温固相法成功合成了一种可用于白光LED的Ca
2
Li
2
BiV
3
O
12
∶Eu
3+
新型红色荧光粉
使用X射线衍射仪和荧光分光光度计对合成样品进行了表征
研究了合成温度和Eu
3+
含量对合成样品相组成和发光性能的影响。结果表明
采用高温固相法在650~700 ℃能合成纯度较高、结晶度好的Ca
2
Li
2
BiV
3
O
12
∶Eu
3+
荧光粉
合成样品激发带覆盖200~400 nm
发射光谱的线状发射峰可归属于Eu
3+
的
5
D
0
7
F
J
(
J
= 1
2
3
4)特征锐线发射
Eu
3+
摩尔分数为14%时荧光粉的发光强度最大。
A novel red phosphor Ca
2
Li
2
BiV
3
O
12
∶Eu
3+
was synthesized by solid-state method and characterized by X-ray diffraction (XRD) and fluorescence spectrophotometer. The influence of synthesis temperature and the concentration of Eu
3+
ions
on phase compositions and luminescent properties were systematically investigated. The results show that the Ca
2
Li
2
BiV
3
O
12
∶Eu
3+
phosphor with high purity and crystallinity can be obtained at 650~700 ℃. The excitation band of the phosphor prepared covers 200~400 nm
the emission spectra are described by the well-known
5
D
0
7
F
J
(
J
=1
2
3
4) emission lines of the Eu
3+
ions
the sample prepared with the Eu
3+
mole fraction of 14% has the highest emission intensity. This phosphor shows a strong red emission centered at 612 nm under near-UV light and may be applied for white light-emitting diodes.
Riwotzki K, Haase M. Colloidal YVO4∶Eu and YP0.95V0.05O4∶Eu nanoparticles: Luminescence and energy transfer processes [J]. J. Phys. Chem. B, 2001, 105(51):12709-12713.[2] Osva1do A S, Simone A C, Renata R I. A new procedure to obtain Eu3+ doped oxide and oxosalt phosphors [J]. Journal of Alloys and Compounds, 2000, 303-304:316-319.[3] Grzechnil A, Paul F, Mcmillan. High pressure behavior of Sr3(VO4)2 and Ba3(VO4)2 [J]. J. Solid State Chem., 1997, 132(1):156-162.[4] Merkle L D, Pinto A, Verdum H. Laser action from Mn5+ in Ba3(VO4)2 [J]. Appl. Phys. Lett., 1992, 61(20):2386-2388.[5] Buijsse B, Schmidt J, Chan L Y, et al. Electron spin-echo-detected excitation spectroscopy of manganese-doped Ba3(VO4)2: Identification of tetrahedral Mn5+ as the active laser center [J]. Phys. Rev. B, 1995, 51(10):6215-6220.[6] Huang Jiaping, Chen Donghua. Luminescence properties of a new orange-emitting phosphor [J]. Appl. Phys. A, 2010, 102(1):239-243.[7] Qiu Kehui, Li Junfu, Li Junfeng, et al. Luminescence property of Ca3(VO4)2∶Eu3+ dependence on molar ratio of Ca/V and solution combustion synthesis temperature [J]. J. Mater. Sci., 2010, 45(20):5456-5462.[8] Liu Guixia, Li Ruolan, Dong Xiangting, et al. Hydrothermal synthesis of GdVO4∶Eu3+ luminescent nanomaterials with different morphologies [J].Chin. J. Lumin.(发光学报), 2010, 31(3):385-389 (in Chinese).[9] Jagannathan R. Eu3+ luminescence in BiSr2V3O11 A potential red phosphor? [J]. J. Lumin., 1996, 68(2-4):211-216.[10] Natarajan V, Dhobale A R, Lu Chunghsin. Preparation and characterization of tunable YVO4∶Bi3+, Sm3+ phosphors [J]. J. Lumin., 2009, 129(3):290-293.[11] Datta R K. Bismuth in yttrium vanadate and yttrium europium vanadate phosphors [J]. J. Electrochem. Soc., 1967, 114(10):1057-1063.[12] Zuo Yinyan, Ling Weijun, Zhang Feng, et al. Photoluminescence properties of YVO4∶Eu3+ phosphor after thermal treatment [J]. Chin.J. Lumin.(发光学报), 2010, 31(1):64-68 (in Chinese).
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