Preparation and characterization of Cu2SnSe4 nanoparticles using a microwave-assisted polyol method

Haviv Grisaru, V. G. Pol, Aharon Gedanken, Israel Nowik

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The microwave-assisted polyol method has been applied to the preparation of nanosized Cu2SnSe4. Cheap materials such as CuCl (of CuCl2·2H2O), Sn and Se were used as starting materials. Polyethylene glycol (PEG) is the only solvent in which the reaction takes place and the materials did not react in ethylene glycol, tri-, or tetraethylene glycol. Mössbauer spectroscopic measurements revealed a single doublet whose isomer shift of 1.81 mm/s is typical of that seen in tetravalent covalent tin semiconductors. The final product was characterized by X-ray powder diffraction, transmission electron microscopy (TEM), high resolution TEM (HR-TEM), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and electron paramagnetic resonance (EPR) spectroscopy.

Original languageEnglish
Pages (from-to)1859-1864
Number of pages6
JournalEuropean Journal of Inorganic Chemistry
Issue number9
DOIs
StatePublished - 3 May 2004

Keywords

  • Copper
  • Microwave heating
  • Nanoparticles
  • Polyol method
  • Selenium
  • Tin

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