Journal
COLLOIDS AND SURFACES B-BIOINTERFACES
Volume 90, Issue -, Pages 48-52Publisher
ELSEVIER
DOI: 10.1016/j.colsurfb.2011.09.037
Keywords
Silver nanoparticles; Self-assembled; Oxalic acid; Thin film
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In the present paper silver nanoparticle was synthesized by chemical reduction of silver nitrate by oxalic acid in aqueous solution. The nanoparticle film (self-assembled; mirror like illumination) on the wall of the clean glass surface was also observed after some days. The synthesized silver particles show an intense surface resonance plasmon band in the visible region at 425 nm. Transmission electron microscopy, selected areas electron diffraction, and UV-visible spectroscopy have been employed to characterize Ag-nanoparticles. The nanoparticle films were also observed using conventional visual and scanning electron microscope (spherical particles and size ranging from 23 to 245 nm). The transmission electron micrograph revealed that the average size of silver nanoparticle were <= 10 nm and 21-60 nm, respectively. (C) 2011 Elsevier B.V. All rights reserved.
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