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首页> 外文期刊>Japanese journal of applied physics >Luminescence properties of Eu~(3+)-activated TbAlO_3 perovskite compound synthesized by metal organic decomposition
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Luminescence properties of Eu~(3+)-activated TbAlO_3 perovskite compound synthesized by metal organic decomposition

机译：金属有机分解合成Eu〜（3+）活化的TbAlO_3钙钛矿化合物的发光性质

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摘要

Eu3+-activated TbAlO3 perovskite (TAP:Eu3+) phosphor was synthesized by metal organic decomposition and subsequent calcination at T-c= 1200 degrees C in air. The luminescence properties of the TAP:Eu3+ phosphor were investigated in detail by photoluminescence (PL) spectroscopy and PL excitation (PLE) spectroscopy, together with PL decay measurements. The PLE spectra and PL decay behaviors of the Eu3+ and Tb3+ emissions showed evidence of resonant energy transfer from the TAG host (Tb3+) to Eu3+. The temperature dependence of the Eu3+ emission intensity was measured at T = 10-450 K and analyzed using the conventional quenching model with the addition of the phonon occupation number term, which was promising for gaining the parity-forbidden Eu3+ transition intensity. This study was also focused on a lattice site of the Eu3+ dopant ions substituting whether for the A-site (Tb3+) or B-site (Al3+) in the TAP lattice. The Stark splitting of the D-5(0) to F-7(j) level transitions suggests that the Eu3+ ions are substituted for the A-site with the point symmetry C-s (C) 2018 The Japan Society of Applied Physics
机译：Eu3 +活化的TbAlO3钙钛矿（TAP：Eu3 +）荧光粉通过金属有机分解和随后在T-c = 1200摄氏度的空气中煅烧而合成。通过光致发光（PL）光谱和PL激发（PLE）光谱，以及PL衰减测量，详细研究了TAP：Eu3 +荧光粉的发光特性。 Eu3 +和Tb3 +发射的PLE光谱和PL衰减行为表明，共振能量从TAG主体（Tb3 +）转移到Eu3 +。 Eu3 +发射强度的温度依赖性在T = 10-450 K时测量，并使用常规猝灭模型加上声子占有数项进行分析，这有望获得禁止奇偶校验的Eu3 +跃迁强度。这项研究还集中在Eu3 +掺杂离子的晶格位点上，以取代TAP晶格中的A位（Tb3 +）或B位（Al3 +）。 D-5（0）到F-7（j）跃迁的斯塔克分裂表明，Eu3 +离子以点对称C-s取代了A-位（C）2018日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2018年第8期|082601.1-082601.6|共6页
  • 作者

    Onishi Yuya; Nakamura Toshihiro; Sone Hayato; Adachi Sadao;

  • 作者单位

    Gunma Univ, Fac Sci & Technol, Div Elect & Informat, Kiryu, Gumma 3768515, Japan;

    Hosei Univ, Fac Sci & Engn, Dept Elect & Elect Engn, Koganei, Tokyo 1888584, Japan;

    Gunma Univ, Fac Sci & Technol, Div Elect & Informat, Kiryu, Gumma 3768515, Japan;

    Gunma Univ, Fac Sci & Technol, Div Elect & Informat, Kiryu, Gumma 3768515, Japan;

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