Effects of rare-earth (Er, La and Yb) doping on morphology and structure properties of ZnO nanostructures prepared by wet chemical method
authors Zamiri, R; Lemos, AF; Reblo, A; Ahangar, HA; Ferreira, JMF
nationality International
journal CERAMICS INTERNATIONAL
author keywords ZnO; Nanostructured materials; Rare earth
keywords M EMISSION DYNAMICS; OXIDE THIN-FILMS; ZINC-OXIDE; OPTICAL-PROPERTIES; LUMINESCENCE; NANOCRYSTALS; PHOTOLUMINESCENCE; EU
abstract Rare-earth (Er, La and Yb) doped ZnO nanostructures have been synthesized by precipitation. The prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS). Their optical properties were studied by Raman spectroscopy at room temperature and UV-Visible diffuse reflectance spectroscopy techniques. The effects of rare-earth dopant on morphology and optical properties of the prepared materials were studied and discussed. It was found that the presence of rare-earth ion in crystal structure of ZnO can change the morphology and band gap of ZnO nanostructures. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
publisher ELSEVIER SCI LTD
issn 0272-8842
year published 2014
volume 40
issue 1
beginning page 523
ending page 529
digital object identifier (doi) 10.1016/j.ceramint.2013.06.034
web of science category Materials Science, Ceramics
subject category Materials Science
unique article identifier WOS:000330820500068
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journal impact factor 3.83
5 year journal impact factor 3.513
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