Near-ultraviolet excitable orange-yellow Sr3(Al2 O5)Cl2: Eu2+ phosphor for potential application in light-emitting diodes

Yu Sheng Tang, Shu Fen Hu, Wei Chih Ke, Chun Che Lin, Nitin C. Bagkar, Ru Shi Liu

Research output: Contribution to journalArticle

104 Citations (Scopus)

Abstract

Sr3 (Al2 O5) 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 620 nm and a full width at half maximum of about 175 nm under near-ultraviolet (NUV) excitation at ∼400 nm. Yellow light-emitting diodes (LEDs) for general lighting were fabricated by combining Sr3 (Al2 O5) Cl2: Eu2+ phosphor with an NUV chip. The phosphor-converted LEDs had a color temperature of about 2300 K and their color rendering index was 74.

Original languageEnglish
Article number131114
JournalApplied Physics Letters
Volume93
Issue number13
DOIs
Publication statusPublished - Oct 13 2008
Externally publishedYes

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phosphors
light emitting diodes
color
illuminating
chips
luminescence
wavelengths
excitation
temperature

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Near-ultraviolet excitable orange-yellow Sr3(Al2 O5)Cl2 : Eu2+ phosphor for potential application in light-emitting diodes. / Tang, Yu Sheng; Hu, Shu Fen; Ke, Wei Chih; Lin, Chun Che; Bagkar, Nitin C.; Liu, Ru Shi.

In: Applied Physics Letters, Vol. 93, No. 13, 131114, 13.10.2008.

Research output: Contribution to journalArticle

Tang, Yu Sheng ; Hu, Shu Fen ; Ke, Wei Chih ; Lin, Chun Che ; Bagkar, Nitin C. ; Liu, Ru Shi. / Near-ultraviolet excitable orange-yellow Sr3(Al2 O5)Cl2 : Eu2+ phosphor for potential application in light-emitting diodes. In: Applied Physics Letters. 2008 ; Vol. 93, No. 13.
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