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

Yu-Sheng Tang | Zendy; ShuFen Hu | Zendy; Wei-Chih Ke | Zendy; Chun Che Lin | Zendy; Nitin Bagkar | Zendy; RuShi Liu | Zendy

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

Author(s) -

Yu-Sheng Tang,

ShuFen Hu,

Wei-Chih Ke,

Chun Che Lin,

Nitin Bagkar,

RuShi Liu

Publication year - 2008

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2996278

Subject(s) - phosphor , light emitting diode , optoelectronics , diode , materials science , color rendering index , ultraviolet , luminescence , doping , orange (colour) , wavelength , optics , analytical chemistry (journal) , chemistry , physics , chromatography

Sr3(Al2O5)Cl2 phosphor doped with Eu2+ was prepared by a soli-state reaction. This phosphor emits a broad orange-yellow luminescence with a peak wavelength of 620nm and a full width at half maximum of about 175nm under near-ultraviolet (NUV) excitation at ∼400nm. Yellow light-emitting diodes (LEDs) for general lighting were fabricated by combining Sr3(Al2O5)Cl2:Eu2+ phosphor with an NUV chip. The phosphor-converted LEDs had a color temperature of about 2300K and their color rendering index was 74.

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