Studies of luminescence property of long afterglow Eu2+, Dy3+ activated Sr2MgSi2O7 phosphor-Reference-Cited by-同舟云学术

Studies of luminescence property of long afterglow Eu2+, Dy3+ activated Sr2MgSi2O7 phosphor

Published:2004-08-01 Issue:4 Volume:33 Page:220-225
ISSN:0369-9420
Container-title:Pigment & Resin Technology
language:en
Short-container-title:

Author:

Mirhabibi A.R.,Moztarzadeh F.,Aghajani Bazazi A.,Solati M.,Maghsoudipour A.,Sarrafi M.H.

Abstract

Long afterglow Sr2MgSi2O7 (SMS) phosphor was prepared by Douby's methods at high temperature and reductive atmosphere. The excitation and emission spectra of this phosphor showed that both had broad bands and that the main emission peak at 469 nm was due to 4f‐5d transitions of Eu+2 and implied that the luminescence centres Eu+2 occupied the Sr+2 sites in the Sr2MgSi2O7 host. The phosphor doped only with Eu ions did not demonstrate the long afterglow phenomenon, but when co‐doped with Dy+3 ions in the SMS matrix, significant long afterglow was observed.

Publisher

Emerald

Subject

Materials Chemistry,Surfaces, Coatings and Films

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