Improved photoluminescence and thermal stable by charge compensation for Sr0.3Ca0.7(MoO4)2: Tb3+, Eu3+ red-emitting phosphors

Yin, Xueai; Lü, Shuchen

doi:10.1007/s10854-022-09774-6

J Mater Sci: Mater Electron

2023

DOI: 10.1007/s10854-022-09774-6

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Improved photoluminescence and thermal stable by charge compensation for Sr0.3Ca0.7(MoO4)2: Tb3+, Eu3+ red-emitting phosphors

Xueai Yin

Shuchen Lü

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“…For some examples, please refer to the cited literature. [3][4][5][6][7][8][9][10] In this important research area, our group has focused on the Tb 3+ →Eu 3+ energy transfer in Tb-based crystalline materials, i.e. in conditions where the Tb 3+ -Tb 3+ energy migration is present.…”

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Excited State Dynamics of Undoped and Eu³⁺-doped TbAl₃(BO₃)₄ Crystals

Ruggieri¹,

Ceccon²,

Bettinelli³

et al. 2023

ECS J. Solid State Sci. Technol.

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The room-temperature luminescence spectra and emission decay curves of undoped and Eu3+-doped TbAl3(BO3)4 crystals, grown using the flux growth technique, are presented and discussed. The experimental results show that excitation of the Tb3+ levels gives rise to 5D0 emission from the Eu3+ ion, and therefore non-radiative energy transfer is operative involving the two ions. Analysis of the experimental data indicates that the excitation of the Tb3+ donor ion gives rise to diffusion limited migration of the energy in the 5D4 level of the Tb3+ subset of cations, followed by the energy transfer process populating the 5D0 level of Eu3+. Upon increasing the concentration of the Eu3+ acceptor, the mainly green emission intensity and the decay time of the 5D4 level decrease, while the red emission of 5D0 becomes dominant. The experimental data are interpreted on the basis of the trigonal huntite-type structure of the double borate crystals under investigation.

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mentioning

confidence: 99%

Excited State Dynamics of Undoped and Eu³⁺-doped TbAl₃(BO₃)₄ Crystals

Ruggieri¹,

Ceccon²,

Bettinelli³

et al. 2023

ECS J. Solid State Sci. Technol.

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Improved photoluminescence and thermal stable by charge compensation for Sr0.3Ca0.7(MoO4)2: Tb3+, Eu3+ red-emitting phosphors

Cited by 1 publication

References 40 publications

Excited State Dynamics of Undoped and Eu³⁺-doped TbAl₃(BO₃)₄ Crystals

Excited State Dynamics of Undoped and Eu³⁺-doped TbAl₃(BO₃)₄ Crystals

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Improved photoluminescence and thermal stable by charge compensation for Sr0.3Ca0.7(MoO4)2: Tb3+, Eu3+ red-emitting phosphors

Cited by 1 publication

References 40 publications

Excited State Dynamics of Undoped and Eu3+-doped TbAl3(BO3)4 Crystals

Excited State Dynamics of Undoped and Eu3+-doped TbAl3(BO3)4 Crystals

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Product

Resources

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Excited State Dynamics of Undoped and Eu³⁺-doped TbAl₃(BO₃)₄ Crystals

Excited State Dynamics of Undoped and Eu³⁺-doped TbAl₃(BO₃)₄ Crystals