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

页码：1152 / 1156

页数：5

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