Hydrothermal synthesis of mono/bi-metallic nano-particles
2021
In this work, Pd, Au and Pd-Au nano-particles were synthesized via hydrothermal approach. The monometallic nano-particles were synthesized by reducing metal precursor sodium tetrachloropalladate and hydrogen tetrachloroaurate for Pd and Au respectively. In bimetallic synthesis both precursors were used simultaneously. PVP was used as a stabilizer which results in the formation of near spherical shaped nanoparticles. The study revealed that the monometallic nanoparticles were smaller in size compared to the bimetallic nanoparticles. A plausible growth mechanism is discussed to understand the difference in the size and shape attributes of the nanoparticles.
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