Photoluminescence and Energy Transfer from Sm3+ to Eu3+ in Na3YSi2O7 Phosphor for Light-Emitting Diodes

Jia Yue Sun; Dian Peng Cui; Qiu Mei Di; Qi Guang Xu; Liu Han

doi:10.4028/www.scientific.net/AMM.597.117

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 597Photoluminescence and Energy Transfer from Sm3+ to...

Photoluminescence and Energy Transfer from Sm³⁺ to Eu³⁺ in Na₃YSi₂O₇ Phosphor for Light-Emitting Diodes

Abstract:

A series of Na₃YSi₂O₇: Eu³⁺, Sm³⁺ samples have been synthesized via solid-state reaction technique. The phase structure and luminescence properties are characterized using powder X-ray diffraction, photoluminescence excitation and emission spectra. Effective energy transfer occurs from Sm³⁺ to Eu³⁺ and Sm³⁺/Eu³⁺-codoped Na₃YSi₂O₇ shows more intense red light compared to that of Eu³⁺-doped sample under UV light excitation.

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Periodical:

Applied Mechanics and Materials (Volume 597)

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117-120

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.597.117

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Online since:

July 2014

Authors:

Jia Yue Sun*, Dian Peng Cui, Qiu Mei Di, Qi Guang Xu, Liu Han

Keywords:

Energy Transfer, Light Emitting Diode (LED), Luminescence Materials, Rare Earth

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