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Vol. 27 No. 12 (2015): Vol 27 Issue 12

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Synthesis and Characterization of Zn(II), Cd(II) and Hg(II) Complexes of Diethyl Thiourea and 1-Ethoxylcarbonyl-1-ethylenecarbonyl-2,2-dithiolate and Their Use to Prepare Metal Sulfides Nanoparticles

https://doi.org/10.14233/ajchem.2015.19232
Jejenija Osuntokun
Department of Chemistry, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
Peter A. Ajibade
Department of Chemistry, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa

Corresponding Author(s) : Peter A. Ajibade

pajibade@ufh.ac.za

Asian Journal of Chemistry, Vol. 27 No. 12 (2015): Vol 27 Issue 12

Abstract

Zn(II), Cd(II) and Hg(II) mixed complexes of ligand diethylthiourea as primary ligand and 1-ethoxylcarbonyl-1-ethylenecarbonyl-2,2-dithiolate as secondary ligand were synthesized and characterized by elemental and spectroscopic techniques. The complexes were used as precursors to prepare metal sulfide nanoparticles. The optical and structural properties of the nanoparticles were studied by UV-visible, photoluminescence, XRD and SEM. The absorption spectra of the nanoparticles show peaks which are blue shifted relative to their bulk molecules due to quantum confinement effects. The XRD diffraction patterns shows that ZnS and CdS nanoparticles are in cubic phase while the HgS nanoparticles are in metacinnabar crystalline phase. The nanoparticles sizes obtained from the TEM ranges from 2-11 nm.

Keywords

Dithiolates Alkylthiourea Group 12 complexes Nanoparticles Metal sulfides
Osuntokun, J., & A. Ajibade, P. (2015). Synthesis and Characterization of Zn(II), Cd(II) and Hg(II) Complexes of Diethyl Thiourea and 1-Ethoxylcarbonyl-1-ethylenecarbonyl-2,2-dithiolate and Their Use to Prepare Metal Sulfides Nanoparticles. Asian Journal of Chemistry, 27(12), 4563–4567. https://doi.org/10.14233/ajchem.2015.19232
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