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The maghemite (γ-Fe2O3) nanoparticles were obtained via high temperature pyrolysis with the precursor of magnetite that was synthesized via chemical coprecipitation. Then the (3-aminopropyl) triethoxysilane (APTES) was used for the surface functionalization of γ-Fe2O3 nanoparticles. Finally the gold-coated maghemite (γ-Fe2O3/Au) nanoparticles are prepared via sonochemical synthesis of a solution mixture...
A sample of Pt metallic nanoparticles (NPs) supported on gamma-Fe2O3 was successfully synthesized in a rapid chemical reduction process. The structural analyses of the synthesized sample were performed by Ultraviolet-visible spectra (UV-vis) spectrometry, Fourier transform infrared (FT-IR) spectrometer, Energy dispersive spectroscopy (EDS) and X-Ray powder diffraction (XRD). The finding is instructive...
Monodisperse magnetite (Fe3O4) nanoparticles (MNPs) of 25 plusmn 5 nm were prepared by modified chemical co-precipitation, and they were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) with the energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), thermogravimetry analysis (TGA), X-ray photoelectron spectroscopy (XPS) and magnetic property...
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