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首页> 外文期刊>Optical Materials >Broadband up-conversion in SrLaAlO_4: Yb~(3+)/Ho~(3+)/Mn~(4+) phosphor
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Broadband up-conversion in SrLaAlO_4: Yb~(3+)/Ho~(3+)/Mn~(4+) phosphor

机译:SRLAALO_4的宽带上转换:YB〜(3 +)/ HO〜(3 +)/ MN〜(4+)磷光体

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摘要

A series of SrLaAlO4 (SLA): Yb3+/Ho3+/Mn4+ phosphors have been synthesized via high-temperature solid-state reaction method. The SLA: Yb3+/Ho3+/Mn4+ phosphor shows a broadband red up-conversion luminescence band of 600-800 nm under the excitation of 980 nm laser excitation, which is composed of the Mn4+: (2)Eg -(4)A(2g) and Ho3+: F-5(5)- I-5(8), S-5(2)/F-5(4)- I-5(7) emissions. The Ho3+, Yb3+ and Mn4+ concentrations dependent up-conversion emission spectra, Mn4+ concentration dependent lifetime of Ho3+ 546 nm emission, and pumping power dependent up-conversion behaviors of the SLA: Yb3+/Ho3+/Mn4+ phosphor have been studied. It is believed that the Yb3+- Ho3+- Mn4+ energy transfer is responsible for the broadband red up-conversion, which provides reference significance for exploring novel up-conversion phosphors.
机译:一系列SRLAALO4(SLA):通过高温固态反应方法合成了YB3 + / HO3 + / MN4 +磷光体。 SLA:YB3 + / HO3 + / MN4 +荧光体显示宽带红色上转换发光带600-800nm的激发980nm激光激发,其由Mn4 +:(2)(例如 - >(4)A( 2g)和HO3 +:F-5(5) - > I-5(8),S-5(2)/ F-5(4) - > I-5(7)排放。 HO3 +,YB3 +和MN4 +浓度依赖于转换发射光谱,HO3 + 546nm发射的MN4 +浓度依赖性寿命,并研究了SLA:YB3 + / HO3 + / MN4 +荧光体的泵送功率依赖性上转换行为。据信YB3 + - > HO3 + - > MN4 +能量转移负责宽带红色上转换,这为探索新型上转换磷光体提供了参考意义。

著录项

  • 来源
    《Optical Materials》 |2020年第11期|110416.1-110416.6|共6页
  • 作者单位

    Xiangtan Univ Sch Phys & Optoelect Xiangtan 411105 Hunan Peoples R China;

    Xiangtan Univ Sch Phys & Optoelect Xiangtan 411105 Hunan Peoples R China;

    Xiangtan Univ Sch Phys & Optoelect Xiangtan 411105 Hunan Peoples R China;

    Xiangtan Univ Sch Phys & Optoelect Xiangtan 411105 Hunan Peoples R China;

  • 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 eng
  • 中图分类
  • 关键词

    Broadband; Mn4+; Up-conversion; Energy transfer;

    机译:宽带;MN4 +;上转换;能量转移;
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