A Comparative Study on the Photoluminescence Properties of Sr3RE2(BO3)4:Eu3+ (RE=Y, Gd) Red Phosphors with High Quenching Concentration and Intensity of 5D07F4 Transition

被引：10
作者：
Shi, Lei [1 ]
Han, Ya-jie [1 ]
Wang, Shuang [1 ]
Ji, Zhi-xin [2 ]
Liu, Xiao-feng [3 ]
Zhang, Zhi-wei [1 ]
Wang, Li-jiang [1 ]
机构：
[1] Hebei Normal Univ Sci & Technol, Chem Engn Coll, Qinhuangdao 066600, Hebei, Peoples R China
[2] Hebei Normal Univ Sci & Technol, Coll Agron & Biotechnol, Qinhuangdao 066600, Hebei, Peoples R China
[3] Qinhuangdao Qiaohao Environm Protect Technol Co L, Qinhuangdao 066600, Hebei, Peoples R China
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2019年 / 48卷 / 08期
关键词：
Phosphors; SGBO:Eu3+ and SYBO:Eu3+; white light-emitting diode; photoluminescence; LUMINESCENCE PROPERTIES; SPECTROSCOPIC PROPERTIES; EMITTING PHOSPHOR; ENERGY-TRANSFER; OXYAPATITE PHOSPHORS; LASER OPERATION; EU3+ ION; EMISSION; GROWTH; THERMOLUMINESCENCE;
D O I：
10.1007/s11664-019-07322-3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We successfully synthesized Sr3Gd2(BO3)(4):Eu3+ (SGBO:Eu3+) and Sr3Y2(BO3)(4):Eu3+ (SYBO:Eu3+) phosphors through a high-temperature solid-state reaction. The structure was shown by x-ray powder diffraction and the irregular morphology of SGBO:Eu3+ and SYBO:Eu3+ phosphors was seen by a field emission scanning electron microscope. Additionally, the photoluminescence excitation spectra and emission spectra were also presented. As shown in the results, the phosphors could be stimulated by near ultraviolet light and then exhibited red light emission, which is consistent with the calculated color coordinates. The quenching concentrations of Eu3+ in SYBO and SGBO hosts are much higher than that in other borate hosts. In particular, far-red light-emitting at 702nm due to the transition of (D0F4)-D-5-F-7 is beneficial to plant growth. The results show that the prepared samples have application value in white light emitting diodes.
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页码：5143 / 5153
页数：11
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