Mg2Y8Si6O26∶Ce3+, Mn2+荧光粉的制备及发光性能的研究

doi:10.3964/j.issn.1000-0593(2013)04-0940-05

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Abstract Mg₂Y₈Si₆O₂₆∶Ce³⁺, Mn²⁺ phosphor was synthesized by the high temperature solid-state reaction, and the structure and luminescence properties were characterized by X-ray diffraction (XRD) and fluorescence spectrophotometer. The XRD pattern demonstrated that the synthetic material belongs to the hexagonal phase of Mg₂Y₈Si₆O₂₆ crystal without detectable impurity and space group P6₃/m. The excitation and emission spectrum showed that there exist two lattice positions for Ce³⁺ in Mg₂Y₈Si₆O₂₆ crystal and their luminescence properties were compared. There are two emission peaks at 400 and 600 nm in the emission spectra under excitation at 286 nm, which come from Ce³⁺ and Mn²⁺ emission, respectively. It was demonstrated that there exists energy transfer between Ce³⁺ and Mn²⁺. The white light can be achieved by changing Mn²⁺ concentration. It can be used as a potential single-phased white phosphor excited by ultraviolet light.

Key words：Apatite structure;Single host;Luminescence;Energy transfer

Received: 2012-08-05 Accepted: 2012-10-25

ZTFLH:

O482.31

Corresponding Authors: YANG Yan-min E-mail: mihuyym@163.com

Cite this article:

YANG Yan-min,SU Xian-yuan,JIAO Fu-yun, et al. Synthesis and Luminescence Properties of Mg₂Y₈Si₆O₂₆∶Ce³⁺, Mn²⁺ Phosphor [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2013, 33(04): 940-944.

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https://www.gpxygpfx.com/EN/10.3964/j.issn.1000-0593(2013)04-0940-05 OR https://www.gpxygpfx.com/EN/Y2013/V33/I04/940

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