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Simultaneous and rapid microwave synthesis of polyacrylamide-metal sulfide (Ag2S, Cu2S, HgS) nanocomposites

Zhu, Jie-Fang and Zhu, Ying-Jie and Ma, Ming-Guo and Yang, Li-Xia and Gao, Lian (2007) Simultaneous and rapid microwave synthesis of polyacrylamide-metal sulfide (Ag2S, Cu2S, HgS) nanocomposites. JOURNAL OF PHYSICAL CHEMISTRY C, 111 (10). pp. 3920-3926.

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Polyacrylamide-metal sulfide (Ag2S, Cu2S, HgS) nanocomposites with metal sulfide nanoparticles homogeneously dispersed in the polyacrylamide (PAM) matrix have been successfully synthesized using corresponding metal salt, sulfur powder, and acrylamide monomer (AM) in ethylene glycol (EG) by microwave heating. This method is based on the simultaneous formation of metal sulfide nanoparticles and polymerization of the AM, leading to a homogeneous distribution of metal sulfide nanoparticles in PAM matrix without aggregation. EG acts simultaneously as a solvent, a microwave absorber, and a reductant; thus no additional reductant is needed. Another advantage is that no initiator for AM polymerization and no surfactant for the stabilization of these metal sulfide nanoparticles are necessary. The products are characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared (FT-IR), ultraviolet visible (UV-vis) absorption spectra, photoluminescence (PL), thermogravimetric (TG), and differential scanning calorimetric analysis (DSC). The present method may be extended to prepare other polymer-metal sulfide nanocomposites.

Item Type:Article
Subjects:Material Science > Functional and hybrid materials
Analytical Science > Microscopy and probe methods
Material Science > Nanostructured materials
ID Code:2486
Deposited By:Farnush Anwar
Deposited On:07 Jan 2009 11:30
Last Modified:09 Jan 2009 12:10

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