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author：

Jin, Ming (Jin, Ming.) [1] | Cheng, Aopeng (Cheng, Aopeng.) [2] | Xu, Wentao (Xu, Wentao.) [3] | Li, Yanan (Li, Yanan.) [4] | Zhang, Haitao (Zhang, Haitao.) [5] | Li, Huibing (Li, Huibing.) [6] | Zhou, Du (Zhou, Du.) [7] | Wang, Yuewen (Wang, Yuewen.) [8] | Ling, Junrong (Ling, Junrong.) [9] | Zhou, Youfu (Zhou, Youfu.) [10]

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EI

Abstract：

With　the　development　of　the　high-power　solid-state　lighting　(SSL)　industry,　there　is　an　urgent　demand　for　low-cost　color　converters　with　good　luminescent　performance　and　thermal　robustness.　Conventional　phosphor　ceramics　face　the　problems　of　high　sintering　energy　consumption　and　low　light　extraction　efficiency.　In　the　present　work,　a　two-step　sintering　(TSS)　method　has　been　developed　to　obtain　a　series　of　YAG:Ce　and　YAG:Ce-Al2O3　samples　at　a　lower　temperature　of　1600　°C,　where　the　operating　power　is　reduced　to　67%　of　the　traditional　one-step　process.　The　TSS　samples　have　a　fine　microstructure,　which　leads　to　a　better　scattering　enhancement　effect.　The　impacts　of　grain　size　and　composition　on　optical　and　thermal　properties　were　investigated　in　detail.　The　luminous　characteristics　and　stability　were　analyzed　by　packaging　phosphor　ceramics　with　blue　LEDs,　with　a　maximum　LE　of　188.72　lm/W,　CRI　of　58.7,　and　CCT　in　the　range　of　3628–5048　K,　respectively.　Such　suitable　properties　of　the　TSS　material　make　it　a　promising　candidate　for　high-power　white　LEDs　applications.　©　2023　Elsevier　Ltd　and　Techna　Group　S.r.l.

Keyword：

Alumina Aluminum oxide Costs Energy utilization Grain size and shape Light emitting diodes Luminescence Microstructure Phosphors Sintering Yttrium aluminum garnet

Community：

  • [ 1 ] [Jin, Ming]College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 2 ] [Jin, Ming]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 3 ] [Jin, Ming]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 4 ] [Cheng, Aopeng]College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 5 ] [Cheng, Aopeng]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 6 ] [Cheng, Aopeng]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 7 ] [Xu, Wentao]Fujian Science Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
  • [ 8 ] [Xu, Wentao]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 9 ] [Xu, Wentao]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 10 ] [Xu, Wentao]Adv Energy Sci & Technol Guangdong Lab, 29 Sanxin North Rd, Huizhou; 116023, China
  • [ 11 ] [Li, Yanan]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 12 ] [Li, Yanan]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 13 ] [Li, Yanan]College of Chemistry and Materials Science, Fujian Normal University, Fuzhou; 350002, China
  • [ 14 ] [Zhang, Haitao]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 15 ] [Zhang, Haitao]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 16 ] [Zhang, Haitao]College of Chemistry and Materials Science, Fujian Normal University, Fuzhou; 350002, China
  • [ 17 ] [Li, Huibing]College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 18 ] [Li, Huibing]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 19 ] [Li, Huibing]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 20 ] [Zhou, Du]College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350108, China
  • [ 21 ] [Zhou, Du]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 22 ] [Zhou, Du]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 23 ] [Wang, Yuewen]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 24 ] [Wang, Yuewen]Fujian College, University of Chinese Academy of Sciences, Fuzhou; 350002, China
  • [ 25 ] [Wang, Yuewen]College of Chemistry and Materials Science, Fujian Normal University, Fuzhou; 350002, China
  • [ 26 ] [Ling, Junrong]Fujian Science Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
  • [ 27 ] [Ling, Junrong]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 28 ] [Zhou, Youfu]Fujian Science Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou; 350108, China
  • [ 29 ] [Zhou, Youfu]State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China
  • [ 30 ] [Zhou, Youfu]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Mater, Chinese Academy of Sciences, Fujian, Fuzhou; 350002, China

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Source ：

Ceramics International

ISSN： 0272-8842

Year： 2023

Issue： 16

Volume： 49

Page： 27631-27640

5 . 1

JCR@2023

5 . 1 0 0

JCR@2023

ESI HC Threshold：49

JCR Journal Grade：1

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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