Enhancement of 1536 nm emission of Er doped ZnO nanopowder by Ag doping
authors Zamiri, R; Poor, HRB; Rebelo, A; Umar, AA; Ferreira, JMF
nationality International
journal OPTICAL MATERIALS
author keywords ZnO nanopowders; Rare earth; Photoluminescence
keywords 1.54 MU-M; OPTICALLY-ACTIVE CENTER; THIN-FILM; LASER-ABLATION; M PHOTOLUMINESCENCE; LOCAL-STRUCTURE; LUMINESCENCE; SI; TEMPERATURE; SILICON
abstract Er, Er-Ag and Er-Mg co-doped ZnO nanopowders were prepared by wet chemical precipitation method. The structure and morphology of the prepared samples were studied by XRD and SEM, respectively. The effect of Ag and Mg on visible and IR emission properties of Er doped ZnO nanopowders have been systematically investigated. We found that Mg did not change the visible and IR emission properties of Er doped ZnO nanopowders. But, addition of Ag drastically decreases the visible emission and enhances the IR emission at 1536 nm. (C) 2014 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0925-3467
year published 2014
volume 36
issue 8
beginning page 1295
ending page 1298
digital object identifier (doi) 10.1016/j.optmat.2014.03.012
web of science category Materials Science, Multidisciplinary; Optics
subject category Materials Science; Optics
unique article identifier WOS:000336872100004
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journal impact factor 2.320
5 year journal impact factor 2.339
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