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Synthesis and conductivity evaluation of PVTri-Fe3O4 nanocomposite
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2010 (English)In: Journal of Non-Crystalline Solids, ISSN 0022-3093, E-ISSN 1873-4812, Vol. 356, no 9-10, 484-489 p.Article in journal (Refereed) Published
Abstract [en]

Poly(1-vinyl-1,2,4-triazole) (PVTri)-Fe3O4 nanocomposite with conducting character was synthesized by a wet chemical process. PVTri has been freshly synthesized and coated/adsorbed on magnetite nanoparticles that are synthesized via a sonochemical route. The structure, morphology and electrical properties of the products were characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Thermal gravimetric analysis (TGA), scanning electron microscopy (SEM) and Dielectric impedance spectroscopy, respectively. Crystallite size of magnetite was calculated by X-ray line profile fitting as 12 +/- 6 nm. FT-IR and TGA analysis confirm the adsorption of PVTri on magnetite nanoparticles. SEM micrographs revealed that Fe3O4 nanoparticles are slightly aggregated upon PVTri coating. Conductivity and permittivity measurements show the effect of glass transition temperature of polymer par in PVTri-Fe3O4 nanocomposite.

Place, publisher, year, edition, pages
2010. Vol. 356, no 9-10, 484-489 p.
Keyword [en]
Conductivity, Dielectric properties, relaxation, electric modulus, Magnetic properties, Nano-composites, Thermal properties, electrical-properties, composites, magnetite, polymers, films
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-19323DOI: 10.1016/j.jnoncrysol.2009.12.022ISI: 000275769800009ScopusID: 2-s2.0-76249115680OAI: diva2:337370
Knut and Alice Wallenberg Foundation
QC 20110114Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-02-10Bibliographically approved

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Toprak, Muhammet S.
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Functional Materials, FNM
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