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Li Mingcai, Zhang Xuejie, Zheng Yinjian, Xu Yaliang, Zhang Haoran, Liu Yingliang, Lei Bingfu. F enhanced luminescence performance of SrLu2O4:Ce3+ glass ceramic for superior high-power artificial horticultural LEDs. CERAMICS INTERNATIONAL. DOI: 10.1016/j.ceramint.2020.05.259
来源:CERAMICS INTERNATIONAL
发布时间:2020-09-17
作者:郑胤建、许亚良
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作者: Li, MC (Li, Mingcai); Zhang, XJ (Zhang, Xuejie); Zheng, YJ (Zheng, Yinjian); Xu, YL (Xu, Yaliang); Zhang, HR (Zhang, Haoran); Liu, YL (Liu, Yingliang); Lei, BF (Lei, Bingfu) | ||||||||
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影响因子 (2019 年): 3.83 | ||||||||
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摘要: The discovery of light converter excited by near-ultraviolet (UV) superior broadband blue-emitting lighting source is a main challenge in plant growth LEDs. In this study, SrLu2O4:Ce3+, Li+, F- blue phosphor has been synthesized via a solid-state reaction. Benefitting from doping of F- ions, SrLu2O4:Ce3+, Li+, F- phosphor (lambda(ex) = 405 nm, lambda(em) = 460 nm) shows a strong broadband (FWHM = 90 nm) blue-emitting with lower critical concentration of Ce3+ ions and an increasing 6.9% thermal quenching performance (92.1% @ 423 K of the peak intensity at room temperature). Moreover, a blue light converter composed of SrLu2O4:Ce3+, Li+, F- phosphor and glass matrix is obtained based on phosphor-in-glass (PiG) technology, exhibiting excellent thermal stability and outstanding moisture resistance. A red light converter with commercial red phosphor is obtained by the same method. Furthermore, by combining of two light converters with near-UV chip, a proof-of-concept plant growth high power LED is achieved and applied in indoor Italian lettuce growing in comparison with commercial plant lamps. | ||||||||
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语言: English | ||||||||
文献类型: Article | ||||||||
作者关键词: Phosphor; Thermal stability; Glass ceramic; Plant growth LEDs | ||||||||
KeyWords Plus: RED-EMITTING PHOSPHORS; PLANT-GROWTH; LIGHT CONVERTER; HIGH-BRIGHTNESS; ENERGY-TRANSFER; BLUE; CE3+; PHOTOLUMINESCENCE; SUBSTITUTION; EFFICIENT | ||||||||
地址: [Li, Mingcai; Zhang, Xuejie; Zhang, Haoran; Liu, Yingliang; Lei, Bingfu] South China Agr Univ, Coll Mat & Energy, Guangdong Prov Engn Technol Res Ctr Opt Agr, Key Lab Biobased Mat & Energy,Minist Educ, Guangzhou 510642, Peoples R China. [Zhang, Xuejie; Zhang, Haoran; Liu, Yingliang; Lei, Bingfu] Guangdong Lab Lingnan Modern Agr, Guangzhou 510642, Peoples R China. [Zheng, Yinjian; Xu, Yaliang] Chinese Acad Agr Sci, Inst Urban Agr, Chengdu 610213, Peoples R China. |
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通讯作者地址: Liu, YL; Lei, BF (corresponding author),South China Agr Univ, Coll Mat & Energy, Guangdong Prov Engn Technol Res Ctr Opt Agr, Key Lab Biobased Mat & Energy,Minist Educ, Guangzhou 510642, Peoples R China. | ||||||||
电子邮件地址: tleibf@scau.edu.cn | ||||||||
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Web of Science 类别: Materials Science, Ceramics | ||||||||
研究方向: Materials Science | ||||||||
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The present work was supported by the National Natural Science Foundation of China (Grant No. 21671070); the Project of GDUPS (2018) for Prof. Bingfu LEI; the Guangzhou Science & Technology Project (No. 202007020005). |