Upconversion luminescence properties of Yb3+/Ho3+/Tm3+ tri-doped LiTaO3 polycrystals

Zhang Tao; Li Zhenhui; Cui Caixia; Zhang Danyi; Cai Yudong; Xin Yifan

doi:10.11884/HPLPB202335.230204

Volume 35 Issue 12

Nov. 2023

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Zhang Tao, Li Zhenhui, Cui Caixia, et al. Upconversion luminescence properties of Yb3+/Ho3+/Tm3+ tri-doped LiTaO3 polycrystals[J]. High Power Laser and Particle Beams, 2023, 35: 121005. doi: 10.11884/HPLPB202335.230204

Citation:

Zhang Tao, Li Zhenhui, Cui Caixia, et al. Upconversion luminescence properties of Yb³⁺/Ho³⁺/Tm³⁺ tri-doped LiTaO₃ polycrystals[J]. High Power Laser and Particle Beams, 2023, 35: 121005. doi: 10.11884/HPLPB202335.230204

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Upconversion luminescence properties of Yb³⁺/Ho³⁺/Tm³⁺ tri-doped LiTaO₃ polycrystals

doi: 10.11884/HPLPB202335.230204

Zhang Tao^{1, 2
,},
Li Zhenhui^{1, 2},
Cui Caixia^{1
,
,},
Zhang Danyi^{1
,
,},
Cai Yudong²,
Xin Yifan³

1.
Beihai Campus, Guilin University of Electronic Technology, Beihai 536000, China
2.
School of Information and Communication, Guilin University of Electronic Technology, Guilin 541004, China
3.
College of Science, Harbin Engineering University, Harbin 150001, China

Received Date: 2023-06-30
Accepted Date: 2023-10-17
Rev Recd Date: 2023-11-15

Available Online: 2023-11-20

Publish Date: 2023-12-15

Abstract

Abstract

The Yb³⁺/Ho³⁺/Tm³⁺-doped LiTaO₃ polycrystalline materials at various doping mole fractions were prepared using a high-temperature solid-state synthesis method. The X-ray diffraction (XRD) patterns, ultraviolet-visible absorption (UV-Vis) spectra, and upconversion fluorescence emission spectra of Yb³⁺/Ho³⁺ -doped, Yb³⁺/Tm³⁺-doped, and Yb³⁺/Ho³⁺/Tm³⁺-doped LiTaO₃ samples were tested. The XRD results indicate that the doped rare earth ions have not altered the crystal structure of LiTaO₃, suggesting that the rare earth ions entered the lattice by replacing the host ions. The UV absorption edge of the samples shows a redshift followed by a blueshift with increasing mole fractions of Ho³⁺ or Tm³⁺. Under excitation from a 980 nm pump source, upconversion blue light (475 nm), green light (545 nm), and red light (663 nm and 650 nm) were observed in the visible region. The upconversion fluorescence chromaticity can be tailored by varying the mole fractions of Ho³⁺/Tm³⁺ in LiTaO₃. Among the samples, the mole fractions 2.0%Yb³⁺/0.05%Ho³⁺/0.4%Tm³⁺ doped LiTaO₃ polycrystalline specimen exhibits the excellent upconversion output near the standard white light.
- LiTaO₃ polycrystal,
- high-temperature solid-state synthesis,
- Yb³⁺/Ho³⁺/Tm³⁺ doping,
- upconversion luminescence

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References(17)

References

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