Preparation of nickel nanopowders in ethanol-water system (EWS)

PVP-protseted nanoscale Ni powders are prepared in ethanol-water system (EWS). The product was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). X-ray photoelectroscopy (XPS) was utilized to determine the surface state of the sample. The product can be isolated in solid state and stabilized for months, The powders are dispersed homogeneously shown in TEM figure, (C) 2001 Elsevier Science Ltd, All rights reserved.