AG-CU NANOPARTICLE PREPARATION, CHARACTERISATION AND THERMAL TREATMENT
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|The Ag-Cu bimetallic colloidal nanoparticles were prepared by wet synthesis from organometallic precursors in mixture of organic solvents. The nanoparticles were characterized by dynamic light scattering (DLS) and small angle X-ray scattering (SAXS). The properties of metallic core and organic shell of the prepared bimetallic nanoparticles were studied by inlet probe mass spectrometry (DIP/MS), Knudsen effusion mass spectrometry (KEMS), double-pulse laser-induced breakdown spectroscopy (DPLIBS) and differential scanning calorimetry (DSC). The transmission electron microscopy (TEM) and scanning electron microscopy (SEM) were used for particle characterization before and after thermal analysis. The detected liquidus temperature was compared with the prediction obtained from calculation of phase diagram of Ag-Cu nanoalloy.