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Vol. 30 No. 9 (2018): Vol 30 Issue 9

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Effect of Concentration on Synthesis of Organic Passivated Cu2-xS Nanoparticles from N-Pyrrolidine Dithiocarbamate Molecular Precursor

https://doi.org/10.14233/ajchem.2018.21360
K. Mnqiwu
Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark, 1900, South Africa
T. Xaba
Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark, 1900, South Africa
M.J. Moloto
Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark, 1900, South Africa
K.P. Mubiayi
Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark, 1900, South Africa
T.P. Mofokeng
Department of Chemistry, Vaal University of Technology, Private Bag X021, Vanderbijlpark, 1900, South Africa

Corresponding Author(s) : T. Xaba

thokozanix@vut.ac.za

Asian Journal of Chemistry, Vol. 30 No. 9 (2018): Vol 30 Issue 9

Abstract

The synthesis of copper sulfide nanocrystals from bis(N-pyrrolidinedithiocarbamato) Cu(II) single molecule precursors have been achieved. Fourier-transform infrared (FTIR) spectroscopy, elemental analysis and thermogravimetric analysis (TGA) were used to characterize the prepared complex. Nanomaterials were further confirmed by optical properties and X-ray diffraction (XRD) confirmed that the final TGA product was CuS. The absorption spectra of copper sulfide nanoparticles showed a parabolic curve which is a characteristic of CuS covellite structure. The formation of hexagonal CuS covellite phase was investigated by XRD pattern. The TEM images showed that nanoparticles capped with tri-n-octylphosphine oxide (TOPO) were better passivated than those capped with hexadecylamine.

Keywords

Dithiocarbamate complex N-Pyrrolidine dithiocarbamate Copper sulfide Nanoparticles Tri-octylphosphine oxide
Mnqiwu, K., Xaba, T., Moloto, M., Mubiayi, K., & Mofokeng, T. (2018). Effect of Concentration on Synthesis of Organic Passivated Cu2-xS Nanoparticles from N-Pyrrolidine Dithiocarbamate Molecular Precursor. Asian Journal of Chemistry, 30(9), 1978–1982. https://doi.org/10.14233/ajchem.2018.21360
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