Facile Synthesis and Enhancement of Luminescence Properties of Red-Emitting Sr2Si5N8 : Eu2 + Phosphor
A facile synthetic technique for producing high-quality red-emitting Sr2Si5N8 : Eu2+ phosphor was successfully prepared at 1600 C for 5 hours under an unpressurized 5%H2/95%N2 atmosphere. The prepared Sr2Si5N8
: Eu2+ phosphor showed broadband emission spectra as well as higher emission intensity than the conventional Sr2Si5N8 : Eu2+ phosphor. The phosphor-converted LED with Sr2Si5N8 : Eu2+ by facile
synthetic route showed an increase of quantum efficiency of 10% with a high color rendering index value (>90). Therefore, we expect this synthetic technique to be a candidate for enhancing the photoluminescence properties of nitride phosphor.
Keywords: FACILE SYNTHETIC ROUTE; SR2SI5N8 : EU2+ PHOSPHOR; WHITE LED
Document Type: Research Article
Publication date: 01 August 2015
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