Nanocomposites based on intermetallic nanoparticles template synthesized using different supports
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2013-12-17
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Abstract
A template synthesis of intermetallic (Cu-Sn, Ni-Sn) nanoparticles has been carried out using different supports through a borohydride reduction with NaBH4 in a mixture of aqueous solutions of CuCl2.2H2O, SnCl2.2H2O, NiCl2.6H2O, respectively, at mass ratio Cu:Sn (Ni:Sn) = 40:60 at room temperature and atmospheric pressure. The obtained nanocomposites are of a type - inert matrix/Cu-Sn (Ni-Sn) nanoparticles. Porous carbon (C-foam), carbon powder (C-powder) and AlN-powder (commercial products) have been used as supports. The influence of the quantity of citric acid as a surfactant on the morphology of the Cu-Sn nanoparticles deposited on and inside the C-foam pores has been studied. A physico-chemical investigation of the prepared nanocomposites based on Cu-Sn (Ni-Sn) nanoparticles is carried out with SEM/EDS, and XRD analyses.