Journal
JOURNAL OF CLUSTER SCIENCE
Volume 28, Issue 3, Pages 1025-1040Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10876-016-1096-6
Keywords
Silver nitrate (AgNO3); Latex copolymer; Microwave irradiation; Silver nanoparticles; Surface plasmon resonance (SPR)
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Funding
- national centre of scientific and technical research (RabatMorocco)
- France government Eiffel grant''
- doctoral school ED3MPL of University of Maine-Le Mans, France
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Highly stable and monodispersed silver nanoparticles with uniform morphology have been successfully prepared by microwave (MW) irradiation within a few seconds from the mixture of silver nitrate, ethanol and latex copolymer. The aqueous emulsion of latex copolymer acts as both reducing and stabilizing agent. To the best of our knowledge, it was the first time that the effect of MW irradiation time and latex concentration on the silver nanoparticle preparation and properties was analyzed. The formation of silver nanoparticles was confirmed by Ultraviolet-visible spectroscopy and transmission electron microscopy (TEM). The UV-Vis spectra are marked by the characteristic surface plasmon absorption band in the range 410-420 nm. From TEM images, silver nanoparticles were observed to be spherical with sizes ranging from 4 to 10 nm. Electron diffraction patterns on selected area, indicated that the silver nanoparticles are crystalline with face centered cubic structure.
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