Journal
POWDER TECHNOLOGY
Volume 288, Issue -, Pages 371-378Publisher
ELSEVIER
DOI: 10.1016/j.powtec.2015.11.037
Keywords
Binary metallic nanoparticles; Electrical explosion; Twisted wires; Immiscible elements; Core-shell; Janus nanoparticles
Categories
Funding
- Program of Fundamental Research of State Academies of Sciences [23.2.5]
- RFBR [14-08-31363]
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In this study, Cu/Ag, Cu/Pb and Al/Pb binary metallic nanoparticles were synthesized by the electrical explosion of two twisted wires from immiscible elements (i.e., Cu-Ag, Cu-Pb and Al-Pb). The distribution of metallic components in the nanoparticles depended on the melting temperature, metal density, and degree of initial wire superheating. Different types of nanoparticles, such as nanoparticles with no separation between the metal phases, as well as core-shell and Janus nanoparticles were formed depending on the process parameters and the characteristics of the metals. Certain binary metallic nanoparticles were formed when the metal clusters were combined and formed during the initial stages of dispersing the two wires using a pulse of electrical current. (C) 2015 Elsevier B.V. All rights reserved.
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