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Interpretation of the 4f-5d Excitation Spectra of Eu3+ and Tb3+ Doped in Crystals Xia Shangda1,Duan Changkui1,Chen Tao2 (1.Institute of Modern Physics, Chongqing University of Post... spectra of Eu3+ and Tb3+ doped in crystals LiYF4, YPO4 and CaF2 measured by van Pieterson et al. In 2002 was analyzed and assigned based on the simple model proposed by Duan and co-workers in the last few......
New Green Phosphors Ba(1-x)SrxZr(BO3)2 Doped with Tb3+ for PDP Applications Shen Fang1,Xu Jianhua2,He Dawei1,Liu Hongli1 (1.Laboratory of Material for Information Storage and Display, Institute... of the borate groups. The latter bands are due to the transitions of Tb3+(4f8→4f75d). The host absorption band moves about 30 nm to the high energy region with x increasing. As the Ce3+ is doped......
Luminescence Properties of Tb3+-Doped LuAG Films Prepared by Pechini Sol-Gel Method Guo Hai1,Zhang Weiping2,Lin Lin3,Yin Min2,You Baogui2 (1.Department of Physics, Zhejiang Normal University... temperature. Excitation and emission spectra of Tb3+ doped LuAG films were measured. The effects of heat-treatment temperature and doping concentration of Tb3+ on the luminescent properties were also......
Cathodoluminescent properties of Tb3+-doped yttria nanocrystallites W.Str1,D.Hreniak2,P.Psuja2 (1.e)k(Institute of Low Temperature and Structure Research,Polish Academy of Sciences,ul.Okolna 2,50-422 Wroclaw,Poland;2.Institute of Low Temperature and Structure Research,Polish Academy of Sciences,ul.Okolna 2,50-422 Wroclaw,Poland) Abstract:The Tb3+-doped Y2O3 nanopowders were synthesized using......
Synthesis and Properties of Tb3+-Doped CaxSr1-xWO4 孙聚堂1,杨水金1 (1.College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China) Abstract:Tb3+-doped CaxSr1-xWO4 was prepared... parameters in the systems CaxSr1-xWO4 were found to vary linearly with compositions. The emission and excitation spectra were measured. The miscibility, luminescence properties of Tb3+-doped......
BaAl12O19中Mn2+和Tb3+的发光及Tb3+对Mn2+的能量传递 贺明睿1,李文泽2,田彦文1,杨瑞琴2,张丽清2,肖林久2,陈永杰2 (1.东北大学,材料与冶金学院,辽宁,沈阳,110004;2.沈阳化工学院,应用化学学院,辽宁,沈阳,110142) 摘要:采用溶胶-凝胶法合成了Mn2+,Tb3+单掺及共掺的BaAl12O19荧光粉,对其发光性质和Tb3+对Mn2+的能量传递机理进行了研究.研究结果表明,Tb3+单掺的BaAl12O19荧光粉,发射峰位于440nm,489nm,543nm,587nm和623nm,属于Tb3+的5D3→7FJ和5D4→7FJ (J=6,5,4,3)跃迁发射;Mn2+单掺的荧光粉,发射峰位于516nm,归属于Mn2+的4T1→6A1跃迁发射.Mn2+,Tb3+共掺后,Mn2+的发射强度明显提高,而Tb3+的发光强度降低,Tb3+对Mn2+有......
Sol-gel processed Ce3+, Tb3+ codoped white emitting phosphors in Sr2Al2SiO7 PAN Wen1,LIN Yuan1,NING Guiling1,YANG Xuefeng1 (1.State Key Laboratory of Fine Chemicals, Department of Materials Science and Chemical Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China) Abstract:Sr2Al2SiO7:Ce3+, Tb3+ white emitting phosphors were fabricated using the sol......
Synthesis and Luminescent Properties of Ce3+, Tb3+ Co-Doped Zn4B6O13 李善兰1,王思宏1,常树岚1,阚玉和1 (1.Department of Chemistry, Science and Engineering College, Yanbian University, Yanji 133002, China) Abstract:Green-photoluminescence material Zn4B6O13: Ce3+, Tb3+ was first synthesized by spread method of high temperature and solid state reaction, which is cubic crystal system with lattice parameters: a0......
掺杂Tb3+的Ba2WO3F4荧光体的合成及其发光特性 孙聚堂1,杨水金2 (1.武汉大学化学学院,;2.湖北师范学院化学系,) 摘要:本文采用固相反应法合成了Ba2WO3F4及掺杂Tb3+的Ba2WO3F4荧光体,测定其X射线粉末衍射光谱,激发光谱和发射光谱.所合成的Ba2WO3F4荧光体为单斜晶系,属CC空间群(C4S),晶胞参数为:a=1.1511nm,b=0.9382nm,c=0.7188nm,β=126.05°.探讨了Ba2WO3F4及掺杂Tb3+离子的Ba2WO3F4荧光体的发光特性. 关键词:Ba2WO3F4; Tb3+; 合成; 发光; [全文内容正在添加中] ......
Gd3+为敏化剂的掺Tb3+硅酸盐闪烁玻璃 王胜1,钱奇1,杨中民1,姜中宏1,张勤远1 (1.特种功能材料教育部重点实验室,华南理工大学,光通信材料研究所,广州,510640) 摘要:实验制备了以Tb3+为激活剂,Gd3+为敏化剂的硅酸盐闪烁玻璃,研究了Tb2O3和Gd2O3含量对玻璃密度和玻璃折射率,以及对玻璃在紫外光激发和X射线激发条件下的光学光谱特性的影响.通过研究Tb3+/Gd3+共掺闪烁玻璃的激发与发光特性,荧光寿命,结合稀土离子能级结构,分析了Gd3+→Tb3+离子之间的能量转移与传递机制.结果表明:在紫外激发条件下,大量引入Tb2O3和Gd2O3可提高Gd3+→Tb3+离子之间的能量传递效率,有利于,Tb3+离子的绿色发光;但是在X射线激发条件下大量引入Tb3+离子,由于缺陷数增加而弱化Tb3+离子荧光. 关键词:Tb3+离子; Gd3+离子; 闪烁玻璃; 能量传......