Down-shift and up-conversion luminescence in BaLuF5:Er3+ glass-ceramics
Down-shift and up-conversion luminescence in BaLuF5:Er3+ glass-ceramics
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BaLuF5:Er3 微晶玻璃的下移和上转换发光
DOI：
10.1016/j.jlumin.2014.02.007
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发表时间：
2014
影响因子：
3.6
通讯作者：
Jeong Jung Hyun
中科院分区：
文献类型：
--
作者：
Yang JingWen;Guo Hai;Liu XueYun;Noh Hyeon Mi;Jeong Jung Hyun
采用熔融淬火技术和后续热处理工艺首次成功制备出独特的掺铒BaLuF 5基透明微晶玻璃。通过XRD、TEM、吸收光谱、激发光谱、下转换光谱和上转换光谱等测试手段，系统地研究了其结构和发光性能。在980 nm激光激发下，所有样品均呈现出强烈的Er 3+（2 H11/2，4S 3/2，4F 9/2→ 4 I15/2）特征发射。在微晶玻璃中，Er 3+离子的上转换效率显著提高（6500倍），寿命延长，证实了Er 3+离子在晶化后优先进入声子能量较低的BaLuF 5纳米晶。结果表明，BaLuF 5基透明微晶玻璃是稀土离子掺杂的优良基质。
Unique Er3+doped transparent BaLuF5based glass–ceramics were triumphantly elaborated for the first time by melt-quenching technique and subsequent thermal treatment. The structural and luminescent properties were systemically investigated by XRD, TEM, absorption, excitation, down-shift and up-conversion spectra. All samples exhibit intense characteristic emissions of Er3+(2H11/2,4S3/2,4F9/2→4I15/2) excited by 980 nm laser. The dramatically enhanced up-conversion (6500 times) and longer lifetime in glass–ceramics confirm that most Er3+ions have preferentially entered into BaLuF5nanocrystals with lower phonon energy after crystallization. Our results indicate BaLuF5based transparent glass–ceramics may be excellent hosts for rare earth ions doping.