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

doi:10.1117/12.840458

11 February 2010 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

Proceedings Volume 7617, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XIV; 76171M (2010) https://doi.org/10.1117/12.840458
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

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.

Citation Download Citation

Jae Bum Lee, Kwang Won Park, Jehong Park, Jong Su Kim, Patrick Kung, and SeongSin M. Kim "Blue-emitting Sr₃Ga₂O₅Cl₂:Eu²⁺ phosphor for white-light-emitting diode", Proc. SPIE 7617, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XIV, 76171M (11 February 2010); https://doi.org/10.1117/12.840458

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