Synthesis and Characterization of Optically Active Fractal Seed Mediated Silver Nickel Bimetallic Nanoparticles | Zendy

Joseph Adeyemi Adekoya | Zendy; Enock Olugbenga Dare | Zendy; M. Adediran Mesubi | Zendy; Neerish Revaprasadu | Zendy

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Synthesis and Characterization of Optically Active Fractal Seed Mediated Silver Nickel Bimetallic Nanoparticles

Author(s) -

Joseph Adeyemi Adekoya,

Enock Olugbenga Dare,

M. Adediran Mesubi,

Neerish Revaprasadu

Publication year - 2014

Publication title -

journal of materials

Language(s) - English

Resource type - Journals

eISSN - 2314-4874

pISSN - 2314-4866

DOI - 10.1155/2014/184216

Subject(s) - bimetallic strip , materials science , ethylene glycol , transmission electron microscopy , x ray photoelectron spectroscopy , nanoclusters , nickel , high resolution transmission electron microscopy , surface plasmon resonance , diethylene glycol , nanoparticle , silver nanoparticle , chemical engineering , analytical chemistry (journal) , metal , nanotechnology , chemistry , metallurgy , organic chemistry , engineering

The synthesis of new seed mediated AgNi allied bimetallic nanocomposites was successfully carried out by the successive reduction of the metal ions in diethylene glycol, ethylene glycol, glycerol, and pentaerythritol solutions, with concomitant precipitation of Ag/Ni bimetal sols. The optical measurement revealed the existence of distinct band edge with surface plasmon resonance (SPR) in the region of 400–425 nm and excitonic emission with maximum peak at 382 nm which were reminiscent of cluster-in-cluster surface enriched bimetallic silver-nickel sols. The morphological characterization by transmission electron microscopy, high resolution transmission electron microscopy, and X-ray diffraction analyses complimented by surface scan using X-ray photoelectron spectroscopy strongly supported the formation of intimately alloyed face-centered silver/nickel nanoclusters

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