Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+荧光粉的制备及发光特性研究

庹娟; 叶颖; 赵海琴; 王林香

doi:10.3788/CO.20191206.1279

Volume 12 Issue 6

Dec. 2019

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Chinese Optics > 2019 > 12(6): 1279-1287.

TUO Juan, YE Ying, ZHAO Hai-qin, WANG Lin-xiang. Preparation and luminescence properties of Li+, Na+ co-doped (YxGdyLu1-x-y)2O3: 0.5%Pr3+ phosphors[J]. Chinese Optics, 2019, 12(6): 1279-1287. doi: 10.3788/CO.20191206.1279

Citation:

TUO Juan, YE Ying, ZHAO Hai-qin, WANG Lin-xiang. Preparation and luminescence properties of Li⁺, Na⁺ co-doped (Y_xGd_yLu_1-x-y)₂O₃: 0.5%Pr³⁺ phosphors[J]. Chinese Optics, 2019, 12(6): 1279-1287. doi: 10.3788/CO.20191206.1279

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Preparation and luminescence properties of Li⁺, Na⁺ co-doped (Y_xGd_yLu_1-x-y)₂O₃: 0.5%Pr³⁺ phosphors

doi: 10.3788/CO.20191206.1279

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

1.
Department of Physics, Xinjiang Normal University, Urumqi 830054, China
2.
Key Laboratory of Novel Luminescent Materials and Nanostructures, Xinjiang Normal University, Urumqi 830054, China
3.
Key Discipline of Physics, Xinjiang Normal University, Urumqi 830054, China

Funds:

Natural Science Foundation of Xinjiang 2017D01A60

More Information

Corresponding author: WANG Lin-xiang, E-mail:wanglinxiang23@126.com
Received Date: 29 Nov 2018
Rev Recd Date: 30 Jan 2019
Publish Date: 01 Dec 2019

Abstract

Abstract

Li⁺, Na⁺ co-doped (Y_xGd_yLu_1-x-y)₂O₃:0.5%Pr³⁺ phosphors were synthesized with a high temperature solid-state reaction. The structures of the samples were characterized by XRD. The excitation spectra, emission spectra and fluorescence lifetime of the samples were measured and analyzed using a fluorescence spectrophotometer. The results show that they are still the cubic phase of the matrix for Li⁺, Na⁺, doped (Y_xGd_yLu_1-x-y)₂O₃:Pr³⁺ samples. The doping of Li⁺ and Na⁺ in a single matrix can effectively improve the grain size while the doping of Li⁺ and Na⁺ in a composite matrix not only effectively improves the grain size, but also causes the sample to become ceramic. Under excitation at 272 nm, the powder samples present strong red emissions of Pr³⁺ at 632 nm. Under different conditions, (Y_0.05Gd_0.05Lu_0.9)₂O₃:0.5%Pr³⁺, 2.5%Li⁺, 1%Na⁺ fluorescent powder obtained by calcination at 1 000℃ for two hours has the strongest luminescence, while the lifetime of the sample is shorter.
- fluorescent powder,
- Li⁺ and Na⁺ co doped (Y_xGd_yLu_1-x-y)₂O₃:0.5%Pr³,
- luminous intensity,
- fluorescence lifetime

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References(31)

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