Comparative Study on Luminescent Properties of LiLa2BO5:Tb3+ Phosphors Synthesized with Different Methods

Yin Rong Fu

doi:10.4028/www.scientific.net/AMM.377.146

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 377Comparative Study on Luminescent Properties of...

Comparative Study on Luminescent Properties of LiLa₂BO₅:Tb³⁺ Phosphors Synthesized with Different Methods

Abstract:

A novel green-emitting phosphors Tb³⁺-doped LiLa2BO5 phosphor was synthesized by different methods: the solid-state reaction method and solgel method. The green phosphor was characterized by XRD. The green phosphor has a dominant excitation peak located at 280nm. The emission intensity was enhanced by Tb³⁺doped ion, and decreased due to concentration quenching. Under the excitation wavelength of 280 nm, the relative intensity of the solgel derived phosphor is about 81% of solid-state reaction derived phosphor. The intense green emission of LiLa2BO5 under 280nm excitation suggests that Tb³⁺ -doped LiLa2BO5 phosphor is a potential green phosphor for near-UV LEDs.

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Periodical:

Applied Mechanics and Materials (Volume 377)

Pages:

146-150

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.377.146

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Online since:

August 2013

Authors:

Yin Rong Fu

Keywords:

Green Phosphor, LiLa₂BO₅:Tb³⁺, Rare Earth, Solgel, Solid-State Reaction

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