Feb. 2019

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Chinese Optics> 2019> 12(1): 112-121.

WANG Lin-xiang, TUO Juan, YE Ying, ZHAO Hai-qin. Preparation and luminescence properties of Li+, Zn2+, Mg2+ doped Lu2O3: Er3+ phosphors[J]. Chinese Optics, 2019, 12(1): 112-121. doi: 10.3788/CO.20191201.0112

Citation:

WANG Lin-xiang, TUO Juan, YE Ying, ZHAO Hai-qin. Preparation and luminescence properties of Li⁺, Zn²⁺, Mg²⁺doped Lu₂O₃: Er³⁺phosphors[J].Chinese Optics, 2019, 12(1): 112-121.doi:10.3788/CO.20191201.0112

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Preparation and luminescence properties of Li⁺, Zn²⁺, Mg²⁺doped Lu₂O₃: Er³⁺phosphors

doi:10.3788/CO.20191201.0112

WANG Lin-xiang^{1, 2, 3,,},
TUO Juan^{1, 2, 3},
YE Ying^{1, 2, 3},
ZHAO Hai-qin^{1, 2, 3}

1.
Key Laboratory of Novel Light Source and Micro/Nano-Optics, Xinjiang Normal University, Urumqi 830054, China
2.
Key Laboratory of Novel Luminescent Materials and Nanostructures, Xinjiang Normal University, Urumqi 830054, China
3.
Key Discipline Physics, Xinjiang Normal University, Urumqi 830054, China

Funds:

Natrural Science Foundation of Xinjiang, China2017D01A60

Foundation of Xinjiang Normal University Laboratory of Novel Light Source and Micro/Nano-Optics, ChinaXJNUSYS092018B06

More Information

Corresponding author:WANG Lin-xiang. E-mail:wanglinxiang23@126.com
Received Date:20 Mar 2018
Rev Recd Date:19 Apr 2018
Publish Date:01 Feb 2019

Abstract

Abstract

Li ⁺, Zn ²⁺, Mg ²⁺, Er ³⁺doped Lu ₂O ₃phosphors were synthesized using the microwave heating high temperature solid state method. The experimental results indicate that doping with Li ⁺, Zn ²⁺, Mg ²⁺and Er ³⁺will not affect the cubic phase of Lu ₂O ₃. SEM measurements show that Li ⁺doping can effectively improve the dispersibility and morphology of the sample powder, and the powder particle size distribution obtained by the co-doping of Li ⁺, Zn ²⁺and Mg ²⁺are more uniform with a particle size of 80-100 nm. The excitation spectra, emission spectra and the fluorescence lifetime of the samples were detected and analyzed using a fluorescence spectrophotometer. The results showed that under 379 nm excitation, the luminescence intensities of samples doped with 5% Li ⁺and 2% Er ³⁺, and that of samples doped with 5% Li ⁺, 2.5% Zn ²⁺, 2.5% Mg ²⁺and 2% Er ³⁺increased by 4.5 and 5.3 times than that of the sample only doped with Er ³⁺ions at 565 nm. Under 980 nm excitation, the up-conversion luminescence intensities of samples doped with 5% Li ⁺and 2% Er ³⁺, and that of samples doped with 5% Li ⁺, 2.5% Zn ²⁺, 2.5% Mg ²⁺and 2% Er ³⁺increased by 23 and 39 times than that of samples doped only with Er ³⁺ions at 565 nm. This increased by 20 and 43 times at 662 nm. Under 379 nm excitation, the lifetime of the samples doped with Li ⁺was longer than that without Li ⁺. The lifetime of the samples co-doped with Li ⁺, Zn ²⁺, Mg ²⁺and Er ³⁺increased, while the lifetime of the samples co-doping of Zn ²⁺, Er ³⁺and Mg ²⁺, Er ³⁺decreased.

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References (27)

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