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Chinese Optics Letters
SCIE,EI,SCOPUS,CJCR,CSCD
2019, 17(5)
Studies on photoluminescence properties of Ca4La6(SiO4)4(PO4)2O2 based phosphors for white LEDs
录用时间:2019-02-22
论文摘要
The apatite compound Ca4La6(SiO4)4(PO4)2O2 (CLSPO) was explored as the host material for phosphors used in white light-emitting diodes (wLEDs). The crystal structure of the CLSPO host prepared by the solid-state reaction method was investigated with Rietveld refinement. The Rare-earth ions (Eu3+/ Tb3+/Ce3+, Tb3+/Tb3+, Mn2+) activated CLSPO phosphors were synthesized and their photoluminescence properties, quantum yields as well as thermal stabilities were studied. Under near-ultraviolet excitations, the Eu3+ and Tb3+ doped CLSPO compounds exhibited red and green emissions with high luminescence efficiencies. Besides, tunable emissions from green to orange were obtained by introducing Mn2+ ions into the Tb3+ doped CLSPO samples. The results showed the phosphors studied may have potential applications for wLEDs.
引用本文
Cheng Ju, Zhang Jia, 陆 建, Bian Xintian, Zhang Hongchao, Shen Zhonghua, Ni Xiaowu, Ma Pengcheng, Shi Jin. Studies on photoluminescence properties of Ca4La6(SiO4)4(PO4)2O2 based phosphors for white LEDs[J]. Chinese Optics Letters, 2019, 17(5): . 
DOI:10.3788/col201917.05
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