Effect of Eu3+ on Microstructure and Luminescence Properties of BiPO4 for Near-UV LED

Yun Ling Liang; Wei Zhang; Zheng Fa  Hu; Shi Xin Liu; Zu Yong Feng; Jie Luo

doi:10.4028/www.scientific.net/AMM.543-547.3745

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 543-547Effect of Eu3+ on Microstructure and Luminescence...

Effect of Eu³⁺ on Microstructure and Luminescence Properties of BiPO₄ for Near-UV LED

Abstract:

The phosphors Bi_1-xPO₄:xEu³⁺(x=0.01-0.08) were synthesized by the conventional solid-state reaction method. The crystal structure,morphology,photoluminescence properties and concentration quenching of these phosphors were systematically investigated. The powder X-ray diffraction revealed that the samples BiPO₄:Eu³⁺ transform from high-temperature monoclinic phase (HTMP) to low-temperature monoclinic phase (LTMP) with the increasing Eu³⁺ content. All the samples show the characteristic red emission of Eu³⁺ ions using the fluorescence spectrometer. The concentration quenching of Eu³⁺ in BiPO₄ phosphor can be mainly attributed to multiple-multiple interaction.

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Periodical:

Applied Mechanics and Materials (Volumes 543-547)

Pages:

3745-3749

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.543-547.3745

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Online since:

March 2014

Authors:

Yun Ling Liang, Wei Zhang, Zheng Fa Hu*, Shi Xin Liu, Zu Yong Feng, Jie Luo

Keywords:

Optical Materials, Phosphor, Photoluminescence (PL), White Light

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