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SYNTHESIS, PHOTOLUMINESCENCE AND THERMOLUMINESCENCE OF YAlO3:Eu3+ PHOSPHOR
I.H.Dhadade, Vibha Chopra, S.J. Dhoble,S.V. Moharil

Published in: International Journal of Current Engineering And Scientific Research ( IJCESR)
Volume- 5, Issue-1, pp.78-84, Jan 2018
DPI :-> 16.10046.IJCESR.2018.V5I1.7884.2321



Abstract
Yttrium orthoaluminate activated by Eu3+ (YAlO3:Eu3+) has been synthesized by using modified combustion method and its luminescent properties were investigated. The modified combustion method route consists of the redox reactions between the respective metal nitrates and mixed fuel (glycine + Urea) in a preheated furnace at 500 0C. Formation of the compound was confirmed by XRD technique and the FullProf Suite program was employed to perform the Rietvield refinement analysis to study the structure of YAlO3:Eu3+ phosphor. The incorporation of Eu3+ activator in this phosphor was studied by Photoluminescence investigation. It was found that under UV excitation of 250 nm wavelength, the phosphors shows reddish orange color. The main peak in the emission spectra was attributed to the 5D0–7F2 at 615 nm suggesting the possible use of this phosphor in fluorescent lamp. Thermoluminescence response of synthesized phosphor was studied using ? –irradiation in the dose range 1 kGy-8 kGy at a heating rate of 5 0Cs-1 at room temperature. The linear response up to 2 kGy suggested the possible use of the phosphor in dosimetry applications.

Key-Words / Index Term
combustion synthesis; mixed fuel urea; glycine

How to cite this article
I.H.Dhadade, Vibha Chopra, S.J. Dhoble,S.V. Moharil , “SYNTHESIS, PHOTOLUMINESCENCE AND THERMOLUMINESCENCE OF YAlO3:Eu3+ PHOSPHOR”, International Journal of Current Engineering And Scientific Research ( IJCESR), 5, Issue-1, pp.78-84, Jan 2018. DPI:16.10046.IJCESR.V5.I1.2321