Synthesis and luminescence properties of double perovskite red-emitting NaSrLaTeO6:Sm3+ phosphors with high thermal stability and color purity for w-LEDs

Yang, Yue; Liang, Zhikai; Hu, Ziyue; Chen, Jiexin; Yang, Ruiqi; Li, Changlin; Xie, Xinjing; Zou, Zhequan; Ouyang, Xuan; Zhao, Jin; Deng, Bin; Yu, Ruijin

doi:10.1016/j.jlumin.2022.119262

Journal of Luminescence

2022

DOI: 10.1016/j.jlumin.2022.119262

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Synthesis and luminescence properties of double perovskite red-emitting NaSrLaTeO6:Sm3+ phosphors with high thermal stability and color purity for w-LEDs

Yue Yang

Zhikai Liang

Ziyue Hu

et al.

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Cited by 22 publications

References 49 publications

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A Novel Thermally Stable Warm White Phosphor CaYGaO₄:Dy³⁺ for Indoor Lighting Applications

Zhang,

Cui,

Guo

et al. 2024

Physica Status Solidi (b)

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Trichromatic phosphors can be blended to produce white light‐emitting diodes (WLEDs) by altering the mixing ratio, albeit with inherent limitations like inadequate thermal stability and imprecise sample proportions. In this study, a series of single‐host CaYGaO4:Dy3+ (CYGO:Dy3+) phosphors are synthesized using a high‐temperature solid‐state reaction method. The microstructure of prepared samples is analyzed through X‐ray diffraction, scanning electron microscope, energy dispersive X‐ray spectroscopy. The results confirm that Dy3+ ions are effectively doped into the CaYGaO4 (CYGO) host. The band structure and state density of CYGO are calculated based on density functional theory (DFT). Furthermore, the band gap (Eg) was verified through the tested absorption spectra (Abs) data. In the spectra of CYGO:Dy3+, there are two excitations in the ultraviolet region, 347 and 364 nm, and the excitation peaks are mainly composed of 485 nm in the blue region and 570 nm in the yellow region. Finally, the phosphor is integrated with a 365 nm chip LED device, and its performance is thoroughly analyzed. The investigation confirms the promising application of CYGO:Dy3+ as a single‐phase warm white phosphor in the realm of indoor lighting applications.

show abstract

A Novel Thermally Stable Warm White Phosphor CaYGaO₄:Dy³⁺ for Indoor Lighting Applications

Zhang,

Cui,

Guo

et al. 2024

Physica Status Solidi (b)

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Dy3+-doped NaSrLaTeO6: a novel yellow-emitting double perovskite phosphors with high thermal stability for WLEDs

Zheng

et al. 2023

J Mater Sci: Mater Electron

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Investigation of Structural and Luminescent Aspects of Sm3+ Activated Yttrium Niobium Titanate Phosphor for Optoelectronic Applications

Dubey,

Sangwan,

Maurya

et al. 2024

J. Electron. Mater.

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Synthesis and luminescence properties of double perovskite red-emitting NaSrLaTeO6:Sm3+ phosphors with high thermal stability and color purity for w-LEDs

Cited by 22 publications

References 49 publications

A Novel Thermally Stable Warm White Phosphor CaYGaO₄:Dy³⁺ for Indoor Lighting Applications

A Novel Thermally Stable Warm White Phosphor CaYGaO₄:Dy³⁺ for Indoor Lighting Applications

Dy3+-doped NaSrLaTeO6: a novel yellow-emitting double perovskite phosphors with high thermal stability for WLEDs

Investigation of Structural and Luminescent Aspects of Sm3+ Activated Yttrium Niobium Titanate Phosphor for Optoelectronic Applications

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Synthesis and luminescence properties of double perovskite red-emitting NaSrLaTeO6:Sm3+ phosphors with high thermal stability and color purity for w-LEDs

Cited by 22 publications

References 49 publications

A Novel Thermally Stable Warm White Phosphor CaYGaO4:Dy3+ for Indoor Lighting Applications

A Novel Thermally Stable Warm White Phosphor CaYGaO4:Dy3+ for Indoor Lighting Applications

Dy3+-doped NaSrLaTeO6: a novel yellow-emitting double perovskite phosphors with high thermal stability for WLEDs

Investigation of Structural and Luminescent Aspects of Sm3+ Activated Yttrium Niobium Titanate Phosphor for Optoelectronic Applications

Contact Info

Product

Resources

About

A Novel Thermally Stable Warm White Phosphor CaYGaO₄:Dy³⁺ for Indoor Lighting Applications

A Novel Thermally Stable Warm White Phosphor CaYGaO₄:Dy³⁺ for Indoor Lighting Applications