Effect of strontium nitride on the properties of Sr2Si5N8:Eu2+ red phosphor

Teng Xiaoming; Liang Chao; He Jinhua

doi:10.1088/1674-4926/32/1/012003

J. Semicond. > 2011, Volume 32 > Issue 1 > 012003

SEMICONDUCTOR PHYSICS

Effect of strontium nitride on the properties of Sr₂Si₅N₈:Eu²⁺ red phosphor

Teng Xiaoming, Liang Chao and He Jinhua

+ Author Affiliations

DOI: 10.1088/1674-4926/32/1/012003

Abstract: The nitride phosphor Sr₂Si₅N₈:Eu²⁺ was synthesized by the high temperature solid-state method. The properties of Sr₂Si₅N₈:Eu²⁺ were discussed by X-ray diffraction (XRD) scanning electron microscope (SEM) and spectra analysis. The XRD pattern shows that the single phase produces when strontium nitride is a bit excessive. The SEM photo implies that the excessive strontium nitride works as a flux in the reaction system. The position of emission peak is also located at about 612 nm as strontium nitride is excessive. The luminescent intensity of the phosphor adding excessive strontium nitride is higher than that of the phosphor introducing stoichiometric strontium nitride. The optimized content of nitride strontium was 2.05 mol/mol for the obtained phosphor with excellent properties.

Key words: luminescence, strontium nitride, alkaline earth, white LEDs, rare earth

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张利春, 高玉芝, 宁宝俊, 张录, 王阳元. 氮离子注入对GaAs肖特基势垒性能影响的研究[J]. 半导体学报(英文版), 1990, 11(12): 966-968.

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Received: 18 August 2015 Revised: Online: Published: 01 January 2011

The nitride phosphor Sr₂Si₅N₈:Eu²⁺ was synthesized by the high temperature solid-state method. The properties of Sr₂Si₅N₈:Eu²⁺ were discussed by X-ray diffraction (XRD) scanning electron microscope (SEM) and spectra analysis. The XRD pattern shows that the single phase produces when strontium nitride is a bit excessive. The SEM photo implies that the excessive strontium nitride works as a flux in the reaction system. The position of emission peak is also located at about 612 nm as strontium nitride is excessive. The luminescent intensity of the phosphor adding excessive strontium nitride is higher than that of the phosphor introducing stoichiometric strontium nitride. The optimized content of nitride strontium was 2.05 mol/mol for the obtained phosphor with excellent properties.

Effect of strontium nitride on the properties of Sr₂Si₅N₈:Eu²⁺ red phosphor

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Effect of strontium nitride on the properties of Sr₂Si₅N₈:Eu²⁺ red phosphor

Effect of strontium nitride on the properties of Sr₂Si₅N₈:Eu²⁺ red phosphor