Preparation and Luminescence Properties of Dy3+ Doped Sr3Lu(PO4)3 as a New Single Phase White Light Emitting Phosphor

Jiang Nan Du; Deng Hui Xu; Zai Fa Yang; Xue Dong Gao; Jia Yue Sun

doi:10.4028/www.scientific.net/KEM.727.612

Paper Titles

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Effects of Charge Compensators on Structure and Luminescent Properties of Microwave Synthesized CaMoO₄:Eu³⁺ Red Phosphors
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Morphology Control and Photoluminescent Properties of Bundled ZnO Nanorods Array Based on Silicon Nanoporous Pillar Array
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Synthesis and Photoluminescence Properties of Sc_0.88-xLu_0.05VO₄:Eu³⁺_0.07,Bi³⁺_x Red Phosphor
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Preparation and Luminescence Properties of Dy³⁺ Doped Sr₃Lu(PO₄)₃ as a New Single Phase White Light Emitting Phosphor
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Up-Conversion Luminescence Properties of Ho³⁺ Doped and Yb³⁺/Ho³⁺ Co-Doped Y₂WO₆ Phosphors
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Synthesis and Luminescence Properties of a Blue-Emitting Sr₃NaLu(PO₄)₃F:Eu²⁺ Phosphor
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Synthesis, Crystal Structure and Luminescence Property on Cabazoly-Based Zinc Metal Organic Frameworks
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 727Preparation and Luminescence Properties of Dy3+...

Preparation and Luminescence Properties of Dy³⁺ Doped Sr₃Lu(PO₄)₃ as a New Single Phase White Light Emitting Phosphor

Abstract:

The novel white light emitting phosphors Sr₃Lu_(1-_x₎Dy_x(PO₄)₃ (x = 0.02, 0.04, 0.06, 0.08, 0.10) were synthesized via a conventional high-temperature solid-state reaction method at 1250°C. The excitation spectrum indicated that these phosphors had a strong absorption in near UV region in the range from 260 to 460 nm. And under 350 nm excitation, the blue emission at 483nm (⁴F_9/2→⁶H_15/2) and yellow emission at 576 nm (⁴F_9/2→⁶H_13/2) were observed in the phosphors, respectively. We studied the effect of different doping concentrations of Dy³⁺ activator on the luminescence properties and found that the optimum doping concentration is 6 mol%. According to the Dexter’s theory, this quenching behavior is ascribed to be electric d-d interaction. Furthermore, the chromaticity coordinate (x = 0.28, y = 0.32) of Sr₃Lu (PO₄)₃:0.06Dy³⁺ phosphor was very close to the “ideal white” (x = 0.33, y = 0.33) in the chromaticity diagram. Our results indicate that the Sr₃Lu (PO₄)₃:Dy³⁺ phosphor can serve as a promising candidate for single-component white light emitting phosphor under near UV excitation.

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Key Engineering Materials (Volume 727)

Pages:

612-617

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.727.612

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Online since:

January 2017

Authors:

Jiang Nan Du, Deng Hui Xu, Zai Fa Yang, Xue Dong Gao, Jia Yue Sun

Keywords:

Optical Properties, Phosphor, Solid State Reaction, Sr₃Lu(PO₄)₃:Dy³⁺

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