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http://dx.doi.org/10.12989/amr.2012.1.2.161

Preparation and characterization of nanoflake composite multi core-shell SrFe12O19/Fe3O4/PEG/PPy  

Hosseini, Seyed Hossein (Department of Chemistry, Faculty of Science, Islamic Azad University)
Majidpour diz, Mohammad (Department of Chemistry, Faculty of Science, Imam Hossein University)
Publication Information
Advances in materials Research / v.1, no.2, 2012 , pp. 161-168 More about this Journal
Abstract
Nanoflake composite multi core-shell $SrFe_{12}O_{19}/Fe_3O_4$/PEG/Polypyrrole was synthesized by in situ polymerization method. In this paper, the fabrication of $SrFe_{12}O_{19}$ nanoflake is as first core by solgel method. Then fabricated a shell layer from magnetic nanoparticles of $Fe_3O_4$, which synthesized by coprecipitation technique, onto the $SrFe_{12}O_{19}$ nanoflake. Polyethylene glycol (PEG) as a polymer layer and as second shell was coated onto the before core-shell. Than core-shell $SrFe_{12}O_{19}/Fe_3O_4$/PEG was used as template for the preparation of $SrFe_{12}O_{19}/Fe_3O_4$/PEG/Polypyrrole composite. Final composite has a conductive property among $4.23{\times}10^{-2}Scm^{-1}$ and magnetic property about $M_s$=2.99 emu/g. Also final composite in soluble at organic solvent such as DMF and DMSO and has a flake structure. Conductivity and magnetic property respectively determine by four-probe instrument and vibrant sample magnetometer (VSM), morphology and article size determined by FE-SEM, TEM and XRD.
Keywords
nanoflake; conductive polymer; magnetic; PPy;
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