期刊
CERAMICS INTERNATIONAL
卷 40, 期 1, 页码 523-529出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2013.06.034
关键词
ZnO; Nanostructured materials; Rare earth
资金
- FCT (Fundacao para a Ciencia e a Tecnologia) [SFRH/BPD/76185/2011]
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.
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