Influence of synthesis conditions on particle morphology of nanosized Cu/ZnO powder by polyol method


Altincekic T. , Boz I.

BULLETIN OF MATERIALS SCIENCE, vol.31, no.4, pp.619-624, 2008 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 31 Issue: 4
  • Publication Date: 2008
  • Doi Number: 10.1007/s12034-008-0098-x
  • Title of Journal : BULLETIN OF MATERIALS SCIENCE
  • Page Numbers: pp.619-624
  • Keywords: polyol process, copper/metal oxide, catalysts, INTERMETALLIC COMPOUNDS, COPPER NANOPARTICLES, CATALYSTS, OXIDATION, SIZE

Abstract

Cu/ZnO in nanosizes have been synthesized using ethylene glycol at various conditions. The effects of reaction temperature, extent of reduction, various precursors such as CuX2.nH(2)O,ZnX2.nH(2)O (X = Cl-, NO3-, CH3CO2-), the addition of water and the removal of volatile compounds including water were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), and dynamic light scattering (DLS). Cu/ZnO powders with an average diameter of as low as 50 nm was obtained with a very low polydispersity in the absence of a protective polymer. Ethylene glycol oxidation products were also identified by Fourier transform infrared (FTIR) spectroscopy. The morphology of Cu/ZnO powders and the yield of powders are found to be strongly dependent on the synthesis conditions.