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通过高性能NIR pc-LED实现远程控制和非侵入式检测.

Pengcheng Luo1,2, Dashuai Sun2, Zeyu Lyu2

  • 1Laboratory of Rare Earths, Chinese Academy of Sciences, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou 341000, P. R. China.

Inorganic chemistry
|January 22, 2024
PubMed
概括
此摘要是机器生成的。

一种新的近红外,CaLu2ZrScAl3O12:Cr3+ (CLZSA:Cr3+),为近红外转换发光二极管 (NIR pc-LED) 提供高效的宽带发射. 这种材料表现出极好的热稳定性和高输出功率,用于远程控制等应用.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 固态照明 固态照明
  • 光子学 是一个光子学.

背景情况:

  • 近红外转换发光二极管 (NIR pc-LED) 是先进的光源,因为它们的高功率,成本效益和便携性.
  • 尼尔射线光是尼尔射线pc-LED性能必不可少的组成部分.

研究的目的:

  • 报告一种新型的蓝光可激发NIR,CaLu2ZrScAl3O12:Cr3+ (CLZSA:Cr3+),用于高效的宽带NIR发射.
  • 为了评估CLZSA:Cr3+在NIR pc-LED设备中的性能,用于实际应用.

主要方法:

  • 合成和对CLZSA:Cr3+的描述.
  • 测量其光发光特性,包括辐射频谱和热稳定性.
  • 使用CLZSA:Cr3+的NIR pc-LED设备的制造和测试.

主要成果:

  • 该CLZSA:Cr3+体表现出强烈的宽带NIR发射,高峰在776nm,在半最大 (fwhm) 时全宽为140nm.
  • 这种具有显著的热稳定性,在423K的温度下保持80%的发射强度.
  • 制造的NIR pc-LED在100 mA时实现了68.4 mW的高输出功率,光电转换效率为23.0%.

结论:

  • 新型CLZSA:Cr3+是一种高效的宽带NIR发射器,适用于NIR pc-LED.
  • 开发的NIR pc-LED显示器在远程控制和非侵入式检测等应用中表现出色.