Synthesis of Pt, Pd, Pt/Ag and Pd/Ag nanoparticles by microwave-polyol method |
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| Authors: | Kirti Patel Sudhir Kapoor Devilal Purshottam Dave and Tulsi Mukherjee |
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| Institution: | (1) Department of Chemistry, The Institute of Science, 400 032 Mumbai, India;(2) Radiation Chemistry & Chemical Dynamics Division, Bhabha Atomic Research Centre, 400 085 Mumbai, India |
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| Abstract: | Pt, Pd, Pt-Ag and Pd-Ag bimetallic nanoparticles were synthesized in ethylene glycol and glycerol using the microwave technique
in the presence of a stabilizer poly(N-vinylpyrrolidone) (PVP). It has been observed that PVP is capable of complexing and
stabilizing nanoparticles. Mixed clusters were formed by simultaneous reduction of the metal ions. The clusters were characterized
using UV-Vis spectra, XRD and dynamic light scattering. To understand the mechanism of formation of mixed nanoparticles, several
experimental parameters such asin situ irradiation of mixed metal salts and mixing of individual sols were attempted. |
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| Keywords: | Mixed particles microwave optical absorption |
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