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Structural investigation of mechanically activated ZnO powder

Само за регистроване кориснике
2015
Peleš_2015_Journal-of-Alloys-and-Compounds_648_971.pdf (2.654Mb)
Аутори
Peleš, Adriana
Pavlović, Vera P.
Filipović, Suzana
Obradović, Nina
Mančić, Lidija
Krstić, Jugoslav
Mitrić, Miodrag
Vlahović, Branislav
Rašić, Goran
Kosanović, Darko
Pavlović, Vladimir B.
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документу
Апстракт
Abstract Commercially available ZnO powder was mechanically activated in a planetary ball mill. In order to investigate the specific surface area, pore volume and microstructure of non-activated and mechanically activated ZnO powders the authors performed N2 physisorption, SEM and TEM. Crystallite size and lattice microstrain were analyzed by X-ray diffraction method. XRD patterns indicate that peak intensities are getting lower and expend with activation time. The reduction in crystallite size and increasing of lattice microstrain with prolonged milling time were determined applying the Rietveld's method. The difference between non-activated and the activated powder has been also observed by X-ray photoelectron spectroscopy (XPS). XPS is used for investigating the chemical bonding of ZnO powder by analyzing the energy of photoelectrons. The lattice vibration spectra were obtained using Raman spectroscopy. In Raman spectra some changes along with atypical resonant scattering were notic...ed, which were caused by mechanical activation. © 2015 Published by Elsevier B.V.

Кључне речи:
mechanical activation / N2 physisorption / Raman spectroscopy / SEM / TEM / XPS / XRD / ZnO
Извор:
Journal of Alloys and Compounds, 2015, 648, 971-979
Издавач:
  • Elsevier
Пројекти:
  • United States National Aeronautics and Space Administration (NASA), Grant NNX09AV07A
  • United States National Science Foundation (NSF) / Centers of Research Excellence in Science and Technology (CREST), Grant HRD-0833184
  • Serbian Academy of Sciences and Arts, Project F-198
  • Усмерена синтеза, структура и својства мултифункционалних материјала (RS-172057)

DOI: 10.1016/j.jallcom.2015.06.247

ISSN: 0925-8388

WoS: 000361158300139

Scopus: 2-s2.0-84937238971
[ Google Scholar ]
URI
http://dais.sanu.ac.rs/123456789/3521
Колекције
  • ITN SANU - Opšta kolekcija
Институција
Институт техничких наука САНУ

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