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Synthesis, optical, and morphological studies of ZnO powders and thin films fabricated by wet chemical methods

  • Robert Szczesny*
  • , Aleksandra Scigala
  • , Beata Derkowska-Zielinska
  • , Lukasz Skowronski
  • , Christophe Cassagne
  • , Georges Boudebs
  • , Roman Viter
  • , Edward Szłyk
  • *Corresponding author for this work
  • Nicolaus Copernicus University in Toruń
  • Bydgoszcz University of Science and Technology
  • Université d'Angers

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Zinc oxide nanoparticles were prepared from Zn5(CO3)2(OH)6 precursor, capped with poly(vinylpyrrolidone) (PVP), and annealed at 600 °C. The obtained powders were characterized by a powder X-ray diffraction (PXD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), UV-visible spectroscopy (UV-vis), Raman spectroscopy, infrared spectroscopy (IR), thermal analysis (TGA/DTA), and third-order nonlinear (NL) optical measurement. Morphological evaluation byTEMandSEMmeasurements indicated that the precursor micro-particles are ball-shaped structures composed of plates with a thickness of approximately 10 nm. ZnO thin films, as well as ZnO/polymer multilayer layouts, were obtained by wet chemical methods (spin- and dip-coating). Surface topography and morphology of the obtained films were studied by SEM and AFM microscopy. Films with uniformly distributed ZnO plates, due to the erosion of primary micro-particles were formed. The fabricated specimens were also analyzed using a spectroscopic ellipsometry in order to calculate dielectric function and film thickness.

Original languageEnglish
Article number2559
JournalMaterials
Volume13
Issue number11
DOIs
Publication statusPublished - 1 Jun 2020

OECD Field of Science

  • 1.3 Physical Sciences

Keywords

  • Nanoparticles
  • Optical properties
  • Poly(vinylpyrrolidone)
  • Thin films
  • Wet chemical methods
  • ZnO

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