Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 781, Issue -, Pages 929-935Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.12.101
Keywords
Mn doped ZnO; Nanorods; Microwave assisted hydrothermal; XPS; FTIR
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In this study, undoped and Mn doped ZnO nanopowders were synthesized by using the microwave assisted hydrothermal (MW-HTS) method. Doping ratio of Mn in the ZnO was set to 1, 5 and 10%. The effect of Mn concentration on the structural and morphological properties of ZnO nanopowders was investigated using XRD, SEM, XPS and FTIR. XRD results showed that the nanopowders have hexagonal wurtzite structure. The lattice parameters increased with increasing Mn incorporation. SEM images showed that all the samples were formed in nanorod structure and the average diameter of the rods decreased with the Mn concentration. XPS results verified the presence of Mn as a doping element into ZnO crystal lattice and the oxidation states of Mn and Zn. The chemical interactions of ZnO and ZnO:Mn nanopowders were determined for using FTIR spectrum. (C) 2018 Elsevier B.V. All rights reserved.
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