Simultaneous enhancement of upconversion luminescence and photoelectric effect in NaYF4:Yb3+/Tm3+/Zr4+ tri-doped microcrystals

被引：1
作者：
Liu, Bing [1 ]
Liang, Jingheng [1 ]
Wang, Lili [1 ]
Tiu, Zian Cheak [2 ]
机构：
[1] Changchun Univ Technol, Key Lab Adv Inst Mat Sci, Changchun 130012, Peoples R China
[2] INTI Int Univ, Fac Engn & Quant Surveying, Nilai 71800, Negeri Sembilan, Malaysia
来源：
MATERIALS RESEARCH EXPRESS | 2023年 / 10卷 / 08期
关键词：
up-conversion; luminescence enhancement; photoelectric characterization; rare earth; NANOPARTICLES; NANOCRYSTALS; FLUORESCENCE; MORPHOLOGY; SIZE; YB3+;
D O I：
10.1088/2053-1591/acf02a
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
beta-NaYF4: Yb3+/Tm3+/Zr4+ microcrystals are synthesized by a facile hydrothermal route. The up-conversion (UC) luminescence and photoelectric effects are enhanced simultaneously with the introduction of Zr4+ ions under IR excitation. With the Tm3+ ions fluorescence spectra under 980 nm excitation, the blue and red emissions reached the highest intensity in the case of 4 mol% Zr4+ doping. Taking the advantage of Zr4+ stimulates the free electrons transfer from the valence band (VB) to the conduction band (CB) in beta-NaYF4:Yb3+/Tm3+/Zr4+ microcrystals, the photocurrent reached the highest intensity in the case of 4 mol% Zr4+ doping at 780 nmexcitation. The beta-NaYF4: Yb3+/Tm3+/Zr4+ microcrystals with both enhancedUCluminescence and photoelectric properties are highly potential to contribute in photovoltaic and infrared sensors application.
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页数：8
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