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Polymers 2014, 6(9), 2332-2344; doi:10.3390/polym6092332

Preparation and Characterization of ZnS, CdS and HgS/Poly(methyl methacrylate) Nanocomposites

Department of Chemistry, University of Fort Hare, Private Bag X1314, Alice 5700, Eastern Cape, South Africa
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Received: 26 May 2014 / Revised: 24 July 2014 / Accepted: 4 August 2014 / Published: 5 September 2014
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Abstract

The synthesis and characterization of ZnS/PMMA (poly(methyl methacrylate)), CdS/PMMA and HgS/PMMA nanocomposites are presented. Hexadecylamine (HDA)-capped ZnS, CdS and HgS nanoparticles were synthesized using dithiocarbamate single molecule precursors at 180 °C. FTIR (Fourier transform infrared spectroscopy) spectra measurement confirmed the dispersion of the metal sulfide nanoparticles in the PMMA matrices to form the metal sulfides/PMMA nanocomposites. Powder X-ray diffraction confirmed the presence of the amorphous PMMA in the nanocomposites. The ZnS and HgS particles were indexed to the cubic phase, while the HgS particles correspond to the hexagonal phase. Thermogravimetric analyses showed that the metal sulfide nanocomposites are thermally more stable than their corresponding precursor complexes. The TEM (Transmission electron microscope) analyses revealed that the ZnS nanoparticles have a particle size of 3–5 nm; the crystallite size of the CdS nanoparticles is 6–12 nm, and HgS nanoparticles are 6–12 nm. View Full-Text
Keywords: ZnS; CdS; HgS; poly(methyl methacrylate); nanocomposites; synthesis; characterization ZnS; CdS; HgS; poly(methyl methacrylate); nanocomposites; synthesis; characterization
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MDPI and ACS Style

Mbese, J.Z.; Ajibade, P.A. Preparation and Characterization of ZnS, CdS and HgS/Poly(methyl methacrylate) Nanocomposites. Polymers 2014, 6, 2332-2344.

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