Blue-Emitting Sr3ga2o5cl2:Eu2+ Phosphor For White-Light-Emitting Diode

Jae Bum Lee,Kwang Won Park,Jehong Park,Jong Su Kim,Patrick Kung,Seongsin M. Kim

LIGHT-EMITTING DIODES: MATERIALS, DEVICES, AND APPLICATIONS FOR SOLID STATE LIGHTING XIV（2010）

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摘要

A novel blue-emitting phosphor, Sr3Ga2O5Cl2:Eu2+, was synthesized by a two-step solid-state reaction. It has the monoclinic structure with six different cation sites. It shows an efficient broad absorption band around the 400 nm of the commercial near ultraviolet light-emitting diodes (LEDs), and an intense broad blue emission. Thus, it can be a promising blue phosphor for white LED for solid state lighting.

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关键词

Sr3Ga2O5Cl2:Eu2+ Phosphor,White-Light-Emitting diode,Photoluminescence

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