White light-emitting properties and application testing of Eu3+ co-doped Gd5Si2BO13:Dy3+ phosphors with energy transfer between Dy3+ and Eu3+

Liu, Yukun; Liu, Yangai; Yang, Chenguang; Mei, Lefu; Ding, Hao; Yu, Hao; Zhang, Yuanyuan

doi:10.1016/j.jallcom.2022.168632

Journal of Alloys and Compounds

2023

DOI: 10.1016/j.jallcom.2022.168632

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White light-emitting properties and application testing of Eu3+ co-doped Gd5Si2BO13:Dy3+ phosphors with energy transfer between Dy3+ and Eu3+

Yukun Liu

Yangai Liu

Chenguang Yang

et al.

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Cited by 4 publications

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“…[1][2][3] Photoluminescent materials of dual luminescent centers can achieve two or more luminescence, and adjusting the doping concentration can change the relative luminous intensity of different luminescent centers, so as to realize the change of luminous color. 4,5 Moreover, based on the characteristic that different luminescent centers have different temperature quenching trends, temperature measurement can also be realized with dual luminescent centers phosphors. The temperature measurement using the luminescence intensity ratio of the emission spectra of different luminescent centers has its unique advantage, in that non-thermal coupled energy levels with different thermal quenching trends are easy to obtain a high relative sensitivity.…”

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confidence: 99%

Energy Transfer and Temperature Measurement Performance for NaGd_(1-x-y)TbxEu_ySiO₄ Phosphor

Tian¹,

Yang²,

Xiao³

2023

ECS J. Solid State Sci. Technol.

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NaGd(1-x-y)TbxEuySiO4 phosphors were synthesized through high-temperature solid-state reaction method. The effects of doping concentration and temperature of Tb3+ and Eu3+ doped NaGdSiO4 on the luminescence performance are investigated in detail. Eu3+ luminous intensity enhancement and excitation spectra expansion are realized through efficient energy transfer of Tb3+ → Eu3+. The luminous color is regulated from green to red by altering the concentration of Tb3+ and Eu3+. The temperature measurement performance of the NaGd0.85Tb0.1Eu0.05SiO4 phosphor has also been witnessed. In the temperature range of 273 K − 483 K, the maximum absolute and relative sensitivity are 0.008 K−1 and 0.533%K−1, respectively. It is evident that NaGd(1-x-y)TbxEuySiO4 phosphors are available for temperature measurement.

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Energy Transfer and Temperature Measurement Performance for NaGd_(1-x-y)TbxEu_ySiO₄ Phosphor

Tian¹,

Yang²,

Xiao³

2023

ECS J. Solid State Sci. Technol.

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Warm to neutral white light emissions from Dy3+–Eu3+ co-doped glass ceramics containing NaBSiO4 crystalline phase for W-LEDs applications

et al. 2023

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This paper reports on the structural, optical and luminescence studies of Dy3+–Eu3+ co-doped glass ceramics that are obtained via thermal treatment method. The initial confirmation on glass ceramics with the formation of NaBSiO4 crystalline phase was made through XRD study. The FTIR study showed the vibrations of network formers (B2O3, SiO2) and other functional groups. The quantity of non-bridging oxygens (NBOs) are increased in the glass ceramics with increase in annealing temperature. The absorption spectra (UV–visible-NIR) showed the possible transitions of Dy3+ and Eu3+ ions in the glass ceramics. A red-shift in the absorption band-edge and reduction in the optical band gap values were obtained for glass ceramics owing to their heating temperatures. Photoluminescence studies showed the excitations of Dy3+ and Eu3+ ions under 575 nm and 613 nm emission wavelengths. The obtained NaBSiO4 crystalline phase in the glass ceramics has enhanced the luminescence intensity, and lifetimes of Dy3+ and Eu3+ ions compared to unheated precursor glass when excited under 350 nm and 393 nm. Color chromaticity diagram and correlated color temperature (CCT) values showed a shift in the color of light from warm white of precursor glass to neutral white of glass ceramics. The overall results justify the possibility of considering the Dy3+-Eu3+ co-doped glass ceramics as efficient materials for solid-state lighting applications like W-LEDs.

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Tunable light emission of Bi and V-doped borosilicate glasses for application in white light-emitting diodes

Gorni,

Pérez,

Wolfrum

et al. 2024

Ceramics International

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White light-emitting properties and application testing of Eu3+ co-doped Gd5Si2BO13:Dy3+ phosphors with energy transfer between Dy3+ and Eu3+

Cited by 4 publications

References 39 publications

Energy Transfer and Temperature Measurement Performance for NaGd_(1-x-y)TbxEu_ySiO₄ Phosphor

Energy Transfer and Temperature Measurement Performance for NaGd_(1-x-y)TbxEu_ySiO₄ Phosphor

Warm to neutral white light emissions from Dy3+–Eu3+ co-doped glass ceramics containing NaBSiO4 crystalline phase for W-LEDs applications

Tunable light emission of Bi and V-doped borosilicate glasses for application in white light-emitting diodes

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White light-emitting properties and application testing of Eu3+ co-doped Gd5Si2BO13:Dy3+ phosphors with energy transfer between Dy3+ and Eu3+

Cited by 4 publications

References 39 publications

Energy Transfer and Temperature Measurement Performance for NaGd(1-x-y)TbxEuySiO4 Phosphor

Energy Transfer and Temperature Measurement Performance for NaGd(1-x-y)TbxEuySiO4 Phosphor

Warm to neutral white light emissions from Dy3+–Eu3+ co-doped glass ceramics containing NaBSiO4 crystalline phase for W-LEDs applications

Tunable light emission of Bi and V-doped borosilicate glasses for application in white light-emitting diodes

Contact Info

Product

Resources

About

Energy Transfer and Temperature Measurement Performance for NaGd_(1-x-y)TbxEu_ySiO₄ Phosphor

Energy Transfer and Temperature Measurement Performance for NaGd_(1-x-y)TbxEu_ySiO₄ Phosphor