Tuning red-green-white up-conversion color in nano NaYF4:Er/Yb phosphor

被引：28
|
作者：
Bednarkiewicz, A. [1 ]
Wawrzynczyk, D. [2 ]
Nyk, M. [2 ]
Samoc, M. [2 ]
机构：
[1] Polish Acad Sci PAN, Inst Low Temp & Struct Res, PL-50422 Wroclaw, Poland
[2] Wroclaw Univ Technol, Inst Phys & Theoret Chem, Dept Chem, PL-50370 Wroclaw, Poland
来源：
JOURNAL OF RARE EARTHS | 2011年 / 29卷 / 12期
关键词：
lanthanides; up-conversion; white up-conversion emission; nanphosphors; rare earths; LIGHT GENERATION; EMISSION; NANOCRYSTALS; LUMINESCENCE; FLUORIDE; NANOPARTICLES; PHASE; YB3+;
D O I：
10.1016/S1002-0721(10)60615-1
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The possibility of tuning between red, green and broadband white color of up-conversion was demonstrated in thermally 450 degrees C treated Yb/Erco-doped nano NaYF4 phosphor. The color variability was studied by means of power dependence of luminescence, which exhibited unusual behavior. Large hysteresis, as well as discrepancy from a power law indicated the important role the increased heating played during the up-conversion in nano-sized materials.
引用
收藏
页码：1152 / 1156
页数：5
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