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2 Archives of Metallurgy and Materials

2 2017

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The Influence of Synthesis Temperature on Manufacturing and Properties of SrSi2O2N2:Eu2+ Powders

100%

Pawlik T. , Sopicka-Lizer M. , Michalik D. , Barzowska J. , Szczodrowski K. , Lesniewski T. , Grinberg M.

tom 62

nr 2

The Influence of Synthesis Temperature on Manufacturing and Properties of SrSi2O2N2:Eu2+ Powders

100%

Pawlik T. , Michalik D. , Barzowska J. , Szczodrowski K. , Lesniewski T. , Sopicka-Lizer M. , Grinberg M.

2017

tom Vol. 62, iss. 2A

687--690

This paper presents the results of the synthesis temperature on the properties of the ceramic powders of SrSi2O2N2:Eu2+ obtained by the solid-phase reaction. Synthesis was carried out in the temperature range of 1250-1650°C for 2 hours in nitrogen flow in the reducing atmosphere of the graphite furnace. The phases present in the resultant powders were identified by X-ray structural analysis (XRD). Scanning electron microscopy (SEM) was used to examine the changes in the powder morphology as a result of the synthesis. The excitation and emission spectra measurements let to study phosphor photoluminescence properties. The results show the strong influence of temperature synthesis on the formation and purity of expected phases. The synthesis temperature also affects the luminescent properties of SrSi2O2N2:Eu2+ ceramic powders.