Title: A Novel Method for the Preparation of Nano-Sized Nickle Powders
Abstract: Nano-sized nickel powders were prepared through a wet chemical reduction, of NiCl 2 by sodium in liquid ammonia at -45 °C, and a subsequent heat-treatment in vacuum at 300 °C. The prepared product was systematically characterized by X-ray diffraction (XRD), scan electron microscopy (SEM), transmission electron microscopy (TEM), and BET specific surface area measurement. The results show that the product was composed of nano-sized nickel particles, with average particle diameter of about 20 nm, and specific surface area of about 30 m 2 g -1 . The possible formation mechanism of the nano-sized nickel powder was also discussed briefly.
Publication Year: 2012
Publication Date: 2012-05-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 3
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