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EFFECT OF STRONTIUM DOPING ON NANOSTRUCTURE AND CHROMATICITY OF Y₂O₃:Eu COMPOUNDS

Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Science, Tehran, Iran

Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Science, P.O. Box 14155/6451, Tehran, Iran

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YADOLAH GANJKHANLOU

Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran

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MAHMOOD KAZEMZAD

Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran

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ABDOLMAJID BAYANDORI MOGHADDAM

Department of Engineering Science, College of Engineering, University of Tehran, P.O. Box 11155-4563, Tehran, Iran

Nanoscience and Nanotechnology Research Center, University of Tehran, P.O. Box 1417763111, Tehran, Iran

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FEREIDOUN ALIKHANI HESSARI

Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran

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, and

RASSOUL DINARVAND

Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran

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https://doi.org/10.1142/S0217979211101545Cited by:4 (Source: Crossref)

Abstract

In this work, various nano-sized samples of Y₂O₃, Y₂O₃:Eu and Y₂O₃:Eu, Sr were prepared by urea solution combustion method. Then the resultant nanopowders were investigated by means of X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), Fourier transform infrared spectroscopy (FTIR) and photo-luminescence emission spectra. Furthermore, the CIE color coordinate of samples were calculated from photoluminescence emission spectra. Results showed that by doping of strontium, the photoluminescence intensity and chromaticity of Y₂ O₃:Eu phosphor was enhanced while crystallite size was decreased.

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