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In this study, the effect of Zn doping on photoluminescence, Chromaticity and structural properties of Y  2  O  3 : Eu compound were studied. For this purpose, various Y  2  O  3 : Eu samples containing different Zn  2+  concentration and distribution were prepared by combustion method. The resultant samples were characterized by X-ray diffractometry (XRD), Photoluminescence spectroscopy (PL) and scanning electron microscopy (SEM). The XRD patterns of samples were also examined by Rietveld refinement method and results showed that the samples had nano-sized crystallites. It has been also shown that doping of Zn  2+  ion in structure of Y  2  O  3 : Eu compound can effectively enhance the PL intensity and chromaticity of Y  2  O  3 : Eu compound, while doping of Zn at surface of Y  2  O  3 : Eu powder reduces PL intensity, crystallinity and chromaticity of this compound.

international journal of modern physics. conference series

EFFECT OF Zn ADDITION ON LUMINESCENCE OF Y2O3:Eu NANOPOWDERS USING SOLUTION COMBUSTION METHOD