CaLuBO₄:Tb³⁺荧光粉的制备及发光性质

CaLuBO 4 :Tb 3+ 荧光粉的制备及发光性质 Preparation and Photoluminescence Properties of CaLuBO 4 : Tb 3+ Phosphor 孙晓园 SUN Xiao-yuan 1 first-author 范小暄 FAN Xiao-xuan 1 何俊杰 HE Jun-jie 1 吕启松 LYU Qi-song 1 姜光远 JIANG Guang-yuan 1 邓昀 DENG Yun 1 骆永石 LUO Yong-shi 2 吴春雷 WU Chun-lei 3 长春师范大学 物理学院,吉林 长春,130032 长春师范大学 物理学院,吉林 长春,130032 Department of Physics, Changchun Normal University, Changchun 130032, China Department of Physics, Changchun Normal University, Changchun 130032, China 中国科学院长春光学精密机械与物理研究所 发光学及应用国家重点实验室, 吉林 长春 130033 中国科学院长春光学精密机械与物理研究所 发光学及应用国家重点实验室, 吉林 长春 130033 State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences 牡丹江师范学院 理学院, 黑龙江 牡丹江 157012 牡丹江师范学院 理学院, 黑龙江 牡丹江 157012 Faculty of Science, Mudanjiang Normal University Faculty of Science, Mudanjiang Normal University 采用高温固相反应法合成了不同Tb 3+ 掺杂浓度的CaLuBO 4 : x Tb 3+ 荧光粉，研究了样品的晶体结构和发光性质。在紫外光激发下，样品的发射光谱由Tb 3+ 离子的 5 D 3 7 F J （ J =6，5，4）和 5 D 4 7 F J ' （ J '=6，5，4，3）特征发射组成，其中位于545 nm和554 nm附近的 5 D 4 7 F 5 跃迁发射强度最大。荧光粉的激发光谱是由位于紫外区的Tb 3+ 的4f-5d和f-f跃迁构成的。研究了Tb 3+ 浓度对样品发光性质的影响。测量并分析了CaLuBO 4 : x Tb 3+ 荧光粉的 5 D 3 能级和 5 D 4 能级荧光寿命。结果表明，CaLuBO 4 : x Tb 3+ 是一种适于紫外激发的新型黄绿光荧光粉。 The phosphors CaLuBO 4 : x Tb 3+ were synthesized through the solid-state reaction technique. The structure, photoluminescence properties of these phosphors were described. Upon excitation with UV light excitation, the photoluminescence emission spectra could be assigned to the transitions of Tb 3+ from 5 D 3 7 F J ( J =6, 5, 4) and 5 D 4 7 F J' ( J '=6, 5, 4, 3). The two strong emissions peaked at 545 nm and 554 nm, which arose from the 5 D 4 - 7 F 5 of Tb 3+ , respectively. The photoluminescence excitation spectra show a broad 4f-5d band and f - f transitions in UV region. The dependence of photoluminescence intensities on Tb 3+ concentration was studied. The luminescence lifetimes of 5 D 3 and 5 D 4 energy level were measured and analysed, respectively. The CaLuBO 4 : x Tb 3+ phosphor is a novel yellow-green emitting phosphor suitable for ultraviolet light excitation. 荧光粉 光致发光 荧光寿命 phosphor photoluminescence fluorescence lifetime 张亮亮,张家骅,郝振东,等. Cr3+掺杂的宽带近红外荧光粉及其研究进展[J]. 发光学报, 2019,40(12):1449-1459. ZHANG L L,ZHANG J H,HAO Z D,et al.. 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