Ag/cobalt ferrite/polyaniline (CPA) nanocomposite has been synthesized by in-situ polymerization of aniline on preformed cobalt ferrite and Ag nanoparticles. Monodisperse cobalt ferrite (15–20 nm) and Ag (~10 nm) nanoparticles were prepared by coprecipitation and
citrate reduction method respectively. Prepared nanocomposite was characterized by X-ray diffraction (XRD), Transmission electron microscopy (TEM), Scanning electron microscopy (SEM), and UV-Vis spectrophotometry. XRD confirms the presence of spinel cobalt ferrite nanoparticles in the composite.
HRTEM results reveal the formation of core/shell structures of cobalt ferrite/polyaniline and also confirm presence of Ag NPs in the composite. SEM images show formation of aggregates of CPA nanocomposites and their corresponding EDS spectra confirms the elemental composition of the composites.
The obtained CPA nanocomposite exhibits promising photocatalytic activity on azo dye methylene blue under sunlight and hence could be a potential candidate in water purification technologies.
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Document Type: Research Article
School of Engineering Sciences and Technology (SEST), University of Hyderabad, Hyderabad 500046, India
Department of Nanotechnology, Acharya Nagarjuna University, Nagarjuna Nagar, Guntur 522510, India
Publication date: December 1, 2017
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Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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