Near-ultraviolet excitable orange-yellow Sr3(Al2O5)Cl2:Eu2+ phosphor for potential application in light-emitting diodes

被引：107

作者：

Tang, Yu-Sheng ^{[2
]}

Hu, Shu-Fen ^{[1
]}

Ke, Wei-Chih ^{[3
]}

Lin, Chun Che ^{[3
]}

Bagkar, Nitin C. ^{[3
]}

Liu, Ru-Shi ^{[3
]}

机构：

[1] Natl Taiwan Normal Univ, Dept Phys, Taipei 116, Taiwan

[2] Natl Taiwan Normal Univ, Inst Electroopt Sci & Technol, Taipei 116, Taiwan

[3] Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 13期

关键词：

D O I：

10.1063/1.2996278

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Sr-3(Al2O5)Cl-2 phosphor doped with Eu2+ was prepared by a soli-state reaction. This phosphor emits a broad orange-yellow luminescence with a peak wavelength of 620 nm and a full width at half maximum of about 175 nm under near-ultraviolet (NUV) excitation at similar to 400 nm. Yellow light-emitting diodes (LEDs) for general lighting were fabricated by combining Sr-3(Al2O5)Cl-2:Eu2+ hosphor with an NUV chip. The phosphor-converted LEDs had a color temperature of about 2300 K and their color rendering index was 74. (C) 2008 American Institute of Physics.

引用

页数：3

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