One-pot synthesis of Ag/Fe۳O۴ nanocomposite: Preparation, characterization and efficient catalyst

In this study, nanometer sized of Ag/Fe۳O۴ nanocomposite (AFN) have been synthesized by using a simple and based on chemical reduction method. The size and shape of (AFN) controlled by using of condensation (Fe۲O۳ (۲.۹۷۵ mmol), NaBH۴ (۲۱.۲۵ mmol), AgNO۳ (۲.۵۳۲ mmol) and polyvinylpyrrolidone (PVP) (۸.۹۲۵ mmol K۳۰ Mr=۱۰.۰۰۰) in ۴۰ ºC. The synthesized AFN was characterized by XRD, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and electron diffraction X-ray (EDX) spectral techniques. Measurements of X-ray diffraction (XRD) confirm that Ag/Fe۳O۴ nanocomposite have the crystalline structure. The scanning electron microscopy (SEM) images of the as-deposited Ag/Fe۳O۴ nanocomposite (AFN) have been shown that the particles aggregate into an organized spherical structure, which is characterized by diameter of ۱۰-۲۰ nm. This type of porous aggregate is characterized by large surface area, which could have potential applications in the areas of catalysis and filtration. The population distribution as measured from the TEM images shows the average particle size for the AFN nanocomposite is ۱۰-۲۰ nm.