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author：

Dong, Xiaoqian (Dong, Xiaoqian.) [1] | Lu, Yunyi (Lu, Yunyi.) [2] | Gong, Xiaoru (Gong, Xiaoru.) [3] | Liu, Lehui (Liu, Lehui.) [4] | Yuan, Feifei (Yuan, Feifei.) [5] | Huang, Yisheng (Huang, Yisheng.) [6] | Zhang, Lizhen (Zhang, Lizhen.) [7] | Lin, Zhoubin (Lin, Zhoubin.) [8]

Indexed by：

EI

Abstract：

The　development　of　high-performance　near-infrared　(NIR)　phosphor-converted　LEDs　(pc-LEDs)　demands　phosphors　that　exhibit　broadband　emission,　high　quantum　yield,　and　excellent　thermal　stability—a　combination　that　is　rarely　achieved　in　existing　systems.　Herein,　we　report　a　novel　Cr3+-activated　Y3MgAl3SiO12　(YMASO)　phosphor　synthesized　via　an　efficient　sol-gel　route.　Crystal　field　analysis　reveals　the　coexistence　of　Cr3+　ions　in　both　strong-field　[AlO6]　and　weak-field　[MgO6]　octahedra,　facilitating　broadband　emission　with　a　full　width　at　half　maximum　(FWHM)　of　167　nm　through　dual-site　engineering.　The　optimized　YMASO:0.015Cr　exhibits　a　remarkable　internal　quantum　efficiency　of　92.73　%　and　demonstrates　favorable　thermal　stability.　When　integrated　with　a　410　nm　blue　LED　chip,　the　fabricated　NIR　pc-LED　achieves　an　output　power　of　27.55　mW　and　a　photoelectric　conversion　efficiency　of　8.7　%　at　100　mA,　surpassing　most　reported　chromium　(Cr3+)-based　systems.　This　positions　YMASO:Cr　as　a　promising　candidate　for　high-efficiency　NIR　pc-LED　applications.　©　2025　Elsevier　B.V.

Keyword：

Sol-gel process Thermal Engineering

Community：

  • [ 1 ] [Dong, Xiaoqian]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Dong, Xiaoqian]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 3 ] [Dong, Xiaoqian]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 4 ] [Lu, Yunyi]College of Chemistry, Fuzhou University, Fuzhou; 350108, China
  • [ 5 ] [Lu, Yunyi]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 6 ] [Lu, Yunyi]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 7 ] [Gong, Xiaoru]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 8 ] [Gong, Xiaoru]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 9 ] [Liu, Lehui]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 10 ] [Liu, Lehui]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou; 350108, China
  • [ 11 ] [Liu, Lehui]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 12 ] [Yuan, Feifei]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 13 ] [Yuan, Feifei]Xiamen Tungsten Co., Ltd, Xiamen; 361000, China
  • [ 14 ] [Yuan, Feifei]Rare Earth Advanced Materials Technology Innovation Center, Baotou; 014030, China
  • [ 15 ] [Huang, Yisheng]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 16 ] [Huang, Yisheng]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou; 350108, China
  • [ 17 ] [Zhang, Lizhen]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 18 ] [Zhang, Lizhen]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou; 350108, China
  • [ 19 ] [Zhang, Lizhen]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 20 ] [Lin, Zhoubin]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 21 ] [Lin, Zhoubin]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou; 350108, China

Reprint 's Address：

  • [zhang, lizhen]fujian science & technology innovation laboratory for optoelectronic information of china, fuzhou; 350108, china;;[zhang, lizhen]key laboratory of optoelectronic materials chemistry and physics, fujian institute of research the structure of matter, chinese academy of sciences, fujian, fuzhou; 350002, china;;[zhang, lizhen]fujian college, university of chinese academy of sciences, fuzhou; 350002, china

Email：


lzzhang@fjirsm.ac.cn
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Source ：

Journal of Alloys and Compounds

ISSN： 0925-8388

Year： 2025

Volume： 1032

5 . 8 0 0

JCR@2023

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 0

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