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Research Progress on Directionally Solidified Al2O3/YAG:Ce3+ Eutectic Composite Ceramic Phosphor for White Light Emitting Diode
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Yuan LIU, Haijun SU, Haifang LIU, Di ZHAO, Zhonglin SHEN, Jun ZHANG, Lin LIU, Hengzhi FU
Journal of the Chinese Ceramic Society | 2021, 49(4) : 708 - 722
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Journal of the Chinese Ceramic Society | 2021, 49(4): 708-722
Research Progress on Directionally Solidified Al2O3/YAG:Ce3+ Eutectic Composite Ceramic Phosphor for White Light Emitting Diode
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Yuan LIU, Haijun SU, Haifang LIU, Di ZHAO, Zhonglin SHEN, Jun ZHANG, Lin LIU, Hengzhi FU
Affiliations
  • State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072, China

    • LIU Yuan (1994-), female, Doctorial candidate. E-mail:

About Author:

LIU Yuan (1994-), female, Doctorial candidate. E-mail:

Published: 2021-04-20 doi: 10.14062/j.issn.0454-5648.20200823
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White light emitting diode (WLED) is considered as a fourth-generation green light source and presents some applications in lighting fields due to its advantages of long service life, high luminous efficiency, and free environmental pollution. The exisiting main commercialization use of WLED is a blue chip combined with YAG:Ce3+ phosphor. However, the luminescence performance of the WLED gradually declines with the increase of temperature due to a poor thermal conductivity of the resin encapsulating the phosphor, thus becoming difficult to apply to high-power lighting. It is necessary to obtain the superior phosphor materials with high quality and stability. In recent years, directionally solidified Al2O3/YAG:Ce3+ eutectic phosphor composite is considered as a novel bulk phosphor material for a high-power WLED lighting, which is expected to substitute conventional phosphors, due to its excellent luminous properties, high temperature strength and thermal stability, low power consumption as well as superior quantum efficiency. This review summarized the main preparation technologies of Al2O3/YAG:Ce3+ eutectic phosphor composite. Meanwhile, the microstructure, luminescence mechanism, and influential factors of the Al2O3/YAG:Ce3+ eutectic phosphor composite were analyzed. In addition, the future development direction was also discussed.

alumina/cerium-doped yttrium aluminum garnet  /  directional solidification  /  luminous performance  /  white light emitting diode
刘园, 苏海军, 刘海方, 赵迪, 申仲琳, 张军, 刘林, 傅恒志. 白光LED用定向凝固Al2O3/YAG：Ce3+共晶荧光复合陶瓷研究进展. 硅酸盐学报, 2021 , 49 (4) : 708 -722 . DOI: 10.14062/j.issn.0454-5648.20200823
Yuan LIU, Haijun SU, Haifang LIU, Di ZHAO, Zhonglin SHEN, Jun ZHANG, Lin LIU, Hengzhi FU. Research Progress on Directionally Solidified Al2O3/YAG:Ce3+ Eutectic Composite Ceramic Phosphor for White Light Emitting Diode[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (4) : 708 -722 . DOI: 10.14062/j.issn.0454-5648.20200823
Appendix
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Year 2021 volume 49 Issue 4
31
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Article Info
doi: 10.14062/j.issn.0454-5648.20200823
  • Receive Date：2020-11-02
  • Online Date：2026-10-30
  • Published：2021-04-20
Article Data
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History
  • Received：2020-11-02
  • Revised：2020-11-14
Funding
Affiliations
    State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072, China

Corresponding:

SU Haijun (1981-), male, Ph.D., Professor. E-mail:
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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