Enhanced red emission of Eu3+-activated phosphors via the special design in A-sites of double perovskite structure

Sanhai Wang,Yanqiao Xu,Ting Chen,Weihui Jiang,Jianmin Liu,Xin Zhang,Wan Jiang,Lianjun Wang

Optics & Laser Technology（2021）

引用 15|浏览16

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摘要

•A novel double perovskite red phosphor Li3La3W2O12:Eu3+ has been synthesized.•The PL intensity of Li3La3W2O12:Eu3+ is higher than La2LiSbO6:Eu3+.•The phosphor exhibits high quantum efficiency of 76.6%.•A warm white LED with low CCT of 3712 K and high Ra of 90.3 is fabricated.

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关键词

Red phosphor,Perovskite structure,High luminous efficiency,Judd-Ofelt theory,Warm white LED

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