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Self Assembly of Nickel Nanospheres into Nanoplates, Assisted by Hydrazine Hydrate

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Nickel nanostructures composed of intercrossed nanoplates have been prepared by a one-pot hydrazine reduction process without use of any surfactant or external magnetic field, in which ionised nickel ions are reduced by hydrazine. XRD analysis indicated that the as-synthesized nanoparticles were pure Ni with face-centered cubic (fcc) crystal structure. Scanning electron microscope (SEM) images show the formation of nickel nanoplates that have a narrow size distribution. Vibrating sample magnetometer (VSM) was also used for the characterization of Ni nanoplates. The assynthesized nickel nanoplates were highly polycrystalline and exhibited large coercivity as compared to bulk nickel. The size of the nanoplates can be changed by altering the hydrazine hydrate concentration. This synthetic protocol may be extended to the preparation of other magnetic nanoparticles.
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Keywords: Hydrazine Hydrate; Nanoplate; Nickel Acetate; Thickness

Document Type: Research Article

Affiliations: Department of Chemical Engineering, Indian Institute of Technology Bombay, Powai 400076, Mumbai, India

Publication date: August 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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