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一种新的橙红色长余辉荧光材料Y₂O₂S∶Sm³⁺

A New Orange-red Long-lasting Phosphor Material Y₂O₂S∶ Sm³⁺

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【Author】 LEI Bing-Fu 1,2, LIU Ying-Liang 2, TANG Gong-Ben 1, YE Ze-Ren 1, SHI Chun-Shan 1* (1. Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China; 2. Department of Chemistry, Jinan University, Guangzhou 510632, China)

【机构】中国科学院长春应用化学研究所稀土化学与物理国家重点实验室；暨南大学化学系；中国科学院长春应用化学研究所稀土化学与物理国家重点实验室长春130022；广州510632；长春130022；长春130022；

【Abstract】 A new Sm 3+ doped yttrium oxysulfide phosphor, which has the long-lasting phosphorescence, was synthesized by flux fusion method. The phosphors showed three typical transitions of Sm 3+ ( 4G 5/2→ 6H J, J=5/2,7/2,9/2), and the emission peaks located at 570, 606 and 659 nm respectively. A prominent luminescence and phosphorescence in orange-red can be seen in this phosphor when illuminated with UV light or visible light. The synthesized phosphors were characterized by X-ray diffraction, the excitation and photoluminescence spectra, and the after-glow intensity decay curve. The result shows that the Y 2O 2S∶ Sm 3+ phosphor is another efficient orange-red phosphor.更多还原