Synthesis and luminescence properties of Eu3+-doped Ba3Gd(PO4)(3) phosphors for light-emitting diodes

Di Qiumei; Xu Qiguang; Han LiuSun Jiayue

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Synthesis and luminescence properties of Eu3+-doped Ba3Gd(PO4)(3) phosphors for light-emitting diodes

机译：Eu3+掺杂Ba3Gd（PO4）（3）发光二极管用荧光粉的合成及发光性能

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Reddish-orange emitting Eu3+-activated Ba3Gd(PO4)(3) phosphors have been successfully synthesized by a conventional solid-state reaction. X-ray powder diffraction confirmed the phase formation. The photoluminescence excitation and emission spectra were investigated. The band gap of Ba3Gd(PO4)(3) was estimated to be about 3.68 eV from the diffuse reflection spectrum. The temperature-dependent luminescence of Ba3Gd(PO4)(3):Eu3+ was discussed, and the activation energy for thermal quenching was calculated as 1.74 eV. The fluorescence decay curve and the commission internationale de L'Eclairage value of Ba3Gd(PO4)(3):Eu3+ phosphors were also investigated in detail. The phosphor presented high color purity. Ba3Gd(PO4)(3):Eu3+ might be a promising reddish-orange emitting phosphor used in white light-emitting diodes. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)

机译：通过常规固相反应成功合成了红橙色发射Eu3+活化的Ba3Gd（PO4）（3）荧光粉.X射线粉末衍射证实了相的形成。研究了光致发光激发和发射光谱.从漫反射光谱中估计Ba3Gd（PO4）（3）的带隙约为3.68 eV。讨论了Ba3Gd（PO4）（3）：Eu3+的温度变化性发光，计算出热猝灭活化能为1.74 eV。还详细研究了Ba3Gd（PO4）（3）：Eu3+荧光粉的荧光衰减曲线和委托国际值。荧光粉呈现出高颜色纯度。Ba3Gd（PO4）（3）：Eu3+可能是一种很有前途的红橙色发光荧光粉，用于白色发光二极管。（C） 2015年光电仪器工程师学会（SPIE）

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来源
《Optical Engineering》 |2015年第3期|035104-1-035104-5|共5页
作者
Di Qiumei; Xu Qiguang; Han LiuSun Jiayue;
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作者单位

Beijing Technol & Business Univ, Sch Sci, Beijing 100048, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;光学仪器;
关键词
optical materials; rare earths; reddish-orange emitting;

机译：光学材料;稀土;红橙色发射;

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Synthesis and luminescence properties of Eu3+-doped Ba3Gd(PO4)(3) phosphors for light-emitting diodes

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