Luminescent Properties of Efficient Near-infrared Phosphors Y3（In<italic style="font-style: italic">x</italic>Ga1-<italic style="font-style: italic">x</italic>）2Ga3O12∶Cr3+ with Garnet Structure

WU Bin; LIU Le; YAO Leqi; FU Yibing

doi:10.37188/CJL.20240324

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Luminescent Properties of Efficient Near-infrared Phosphors Y₃（In_xGa_1-_x）₂Ga₃O₁₂∶Cr³⁺ with Garnet Structure

Synthesis and Properties of Materials | 更新时间：2026-01-27

- Luminescent Properties of Efficient Near-infrared Phosphors Y₃（In_xGa_1-_x）₂Ga₃O₁₂∶Cr³⁺ with Garnet Structure
  增强出版
- Chinese Journal of Luminescence Vol. 46, Issue 6, Pages: 1067-1074(2025)
- 作者机构：
  
  江苏博睿光电股份有限公司，江苏南京 211103
- 作者简介：
- 基金信息：
  
  Special funding from the Innovation Support Program （Soft Science Research） of Jiangsu Province(BK20230166);the Transformation Program of Scientific and Technological Achievements of Jiangsu Province(BA2020007)
- DOI：10.37188/CJL.20240324
  CLC： O482.31
- CSTR：32170.14.CJL.20240324
- Received：14 January 2025，
  
  Revised：2025-02-11，
  
  Published：25 June 2025
- 稿件说明：
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吴斌,刘乐,姚乐琪等.具有石榴石结构的高效近红外荧光粉Y₃（In_xGa_1-_x）₂Ga₃O₁₂∶Cr³⁺发光性能[J].发光学报,2025,46(06):1067-1074.

WU Bin,LIU Le,YAO Leqi,et al.Luminescent Properties of Efficient Near-infrared Phosphors Y₃（In_xGa_1-_x）₂Ga₃O₁₂∶Cr³⁺ with Garnet Structure[J].Chinese Journal of Luminescence,2025,46(06):1067-1074.
吴斌,刘乐,姚乐琪等.具有石榴石结构的高效近红外荧光粉Y₃（In_xGa_1-_x）₂Ga₃O₁₂∶Cr³⁺发光性能[J].发光学报,2025,46(06):1067-1074. DOI： 10.37188/CJL.20240324. CSTR： 32170.14.CJL.20240324.

WU Bin,LIU Le,YAO Leqi,et al.Luminescent Properties of Efficient Near-infrared Phosphors Y₃（In_xGa_1-_x）₂Ga₃O₁₂∶Cr³⁺ with Garnet Structure[J].Chinese Journal of Luminescence,2025,46(06):1067-1074. DOI： 10.37188/CJL.20240324. CSTR： 32170.14.CJL.20240324.

摘要

近红外荧光粉转换的发光二极管（NIR pc-LED）在植物照明、生物成像等领域表现出很高的应用价值，而近红外荧光粉的发光效率与热稳定性直接影响器件的最终性能，因此开发高效且热稳定的近红外荧光粉至关重要。本文采用高温固相法制备了具备石榴石结构的高效近红外荧光粉Y

∶

，发射光谱覆盖600~1 000 nm。通过对In

含量的调整，实现了对光谱的调谐，并实现了最高95.8%的内量子效率。同时，该荧光粉具备优异的热稳定性。实验结果表明，与室温相比，423 K时的发光强度保留了83.6%。最后，我们利用该荧光粉与商用蓝光LED制备了高效的NIR pc-LED器件，在350 mA的电流驱动下，实现了273.5 mW的近红外输出功率。这些结果表明，该系列近红外荧光粉和NIR pc-LED器件具备很大的应用潜力。

Abstract

Near-infrared phosphor-converted light-emitting diodes （NIR pc-LEDs） have demonstrated significant application potential in the fields such as plant lighting and bioimaging. The luminescence efficiency and thermal stability of near-infrared phosphors directly determine device performance， emphasizing the importance of developing highly efficient and thermally stable near-infrared phosphors. In this study， we synthesized an efficient near-infrared phosphor， Y

∶

， with a garnet structure using a high-temperature solid-state method. The emission spectrum ranges from 600 nm to 1 000 nm. By adjusting the In

content， we achieved spectral tuning and attained an internal quantum efficiency of up to 95.8%. Additionally， the phosphor exhibits excellent thermal stability. Experimental results show that at 423 K， the luminescence intensity remains at 83.6% of the room-temperature value. Finally， we fabricated high-efficiency NIR pc

-LED devices by combining this phosphor with commercial blue LEDs， achieving a near-infrared output power of 273.5 mW under a 350 mA current drive. These results demonstrate that this series of near-infrared phosphors and NIR pc-LED devices hold high application potential.

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Luminescent Properties of Efficient Near-infrared Phosphors Y3（InxGa1-x）2Ga3O12∶Cr3+ with Garnet Structure

DOI：10.37188/CJL.20240324

摘要

Abstract

关键词

Keywords

references

Luminescent Properties of Efficient Near-infrared Phosphors Y₃（In_xGa_1-_x）₂Ga₃O₁₂∶Cr³⁺ with Garnet Structure