Abstract
A facile ultrasonically driven Silver based bimetallic nanoparticles (BNPs) were synthesized in high yield by chemical reduction technique with tri-sodium citrate as the reducing material. The structures of these BNPs were characterized by Powder X-ray diffraction (PXRD) pattern, transmission electron microscopy (TEM), and selected area electron diffraction (SAED). It was found that the BNPs catalysts particle size of the Ag-Pt BNPs (20–30 nm), Ag-Au BNPs (30 nm) Ag-Pd BNPs (15 nm) were formed respectively. The BNPs have shown excellent catalytic efficiency as demonstrated via the reduction of 4-nitrophenol (4-NPh) by sodium borohydride. The catalytic efficiency of the synthesized BNPs were in the order of Ag-Pd > Ag-Au > Ag-Pt. The enhanced higher catalytic efficiency properties of Ag-Pd BNPs catalysts were attributed to the synergistic effects of high surface area, porous and hollow structures. The synthesized BNPs were eco-friendly, efficient to removal of toxic chemical from the environment and high yields.
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