title: Synthesis and Characterization of Pure Ni and Ni-Sn Intermetallic Nanoparticles.
abstract: The present research focused on the synthesis of Ni and Ni-Sn nanoparticles via a chemical reduction method using hydrazine hydrate. The syntheses were performed applying highly purified water or diethylene glycol as solvent. The produced nanoparticles were characterized by scanning electron microscopy and powder X-ray diffraction. The as-synthesized Ni-Sn nanoparticles with nominal starting ratios Ni:Sn = 3:1, 3:2, and 3:4 consisted of different amounts of pure Ni and a low-temperature Ni3Sn2phase. It was found that all synthesized nanopowders had a spherical shape with the largest average size for pure Ni and decreasing size for particles containing Sn. X-ray diffraction showed that all synthesized nanoparticles contained Ni and a low-temperature Ni3Sn2phase independent of the initial molar ratio; while Ni3Sn and Ni3Sn4could not be detected.
authors.affiliation: Department of Inorganic Chemistry - Functional Materials, Faculty of Chemistry, University of Vienna, Althanstr. 14, 1090, Vienna, Austria. andriy.yakymovych@univie.ac.at.|Department of Metal Physics, Faculty of Physics, Ivan Franko National University of Lviv, Kyrylo i Mephodiy str. 8, Lviv, 79005, Ukraine. andriy.yakymovych@univie.ac.at.
authors.forename: A
authors.identifier: http://orcid.org/0000-0002-2884-9984
authors.initials: A
authors.lastname: Yakymovych
authors.affiliation: Department of Inorganic Chemistry - Functional Materials, Faculty of Chemistry, University of Vienna, Althanstr. 14, 1090, Vienna, Austria.
authors.forename: H
authors.initials: H
authors.lastname: Ipser
keywords: Nanoparticles; Ni-Sn; SEM; X-ray diffraction