Upconversion luminescence enhancement and color modulation in Yb3+/Er3+/Ln3+ (Ln = Tm, Ho) tri-doped YF3 microrods

被引：3

作者：

Chen, Jie ^{[1
]}

Wang, Chao ^{[2
]}

Yin, Yu ^{[2
]}

Liu, Rong ^{[2
]}

Meng, Fanxu ^{[1
]}

Wang, Shanshan ^{[1
]}

Liu, Zhigang ^{[1
]}

Yu, Shihua ^{[2
]}

机构：

[1] Jilin Inst Chem Technol, Ctr Characterizat & Anal, Jilin 132022, Peoples R China

[2] Jilin Inst Chem Technol, Sch Chem & Pharmaceut Engn, Jilin 132022, Peoples R China

来源：

OPTICAL MATERIALS | 2023年 / 140卷

关键词：

UC luminescence; Energy transfer; Yb; Er; Tm; Ho; YF3; microrods; EXCITATION; EMISSION; ENERGY;

D O I：

10.1016/j.optmat.2023.113839

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Intelligent regulation of energy transfer process among different rare earth ions doped in the matrix is an effective strategy to realize high-performance upconversion (UC) luminescence. Based on this, wheat ears like Yb3+/Er3+/(Tm3+, Ho3+) triple doped YF3 microrods were fabricated via hydrothermal method, and the morphology, crystal structure, UC luminescence performance dependent on Tm3+/Ho3+ doping concentrations were studied. By comparing with the Yb3+, Er3+ co-doped YF3 microrods, the UC luminescence intensity is enhanced in Yb3+/Er3+/(Tm3+, Ho3+) triple doped YF3 samples due to the cross relaxation processes between Er3+ and Tm3+/Ho3+. Moreover, red emission is enhanced more significantly than green emission in YF3: Yb3+, Er3+, Tm3+, which is contrary to that in YF3: Yb3+, Er3+, Ho3+. The possible energy transfer upconversion mechanism involved is discussed in detail. Meanwhile, an adjustable emission color is easy to achieve via altering the doped Er3+/Tm3+/Ho3+ ion concentration. These studies on the UC luminescence enhancement mechanism of Yb3+/Er3+/(Tm3+, Ho3+) triple doped YF3 microrods are expected to provide a reference for the development of high-efficiency luminescent materials.

引用

页数：9

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