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dc.contributor.authorPadilla Sierra, H A
dc.contributor.authorPeña Rodríguez, G
dc.contributor.authorChaves Bedoya, Giovanni
dc.description.abstractThe electrochemical technique for obtaining silver nanoparticles has advantages over other methods. For the synthesis, a colloidal silver generator (Colloidal Silver Generator® model 1001) was used, where two electrodes coupled to high purity silver rods (99.99%) were used, with a potential difference of 24 V. Nanoparticle concentration was measured by total dissolved solids, using the SI-Analytic HandyLab 680 FK multiparameter in 200 mL of Milli-Q deionized water, reporting 18 ppm at 1 hour at room temperature. The determination of the resonance wavelength of the surface plasmons was carried out by finding the maximum absorbance by UVVisible spectrophotometry with λ = 423 nm. The morphology and size of the nanoparticles was determined by Transmission Electron Microscopy, observing spherical morphology and sizes smaller than 50 nm. The chemical composition was determined by X-ray energy dispersed spectroscopy, finding a weight concentration of 93.22% of silver. The results show an optimal synthesis of colloidal silver, with characteristics that will allow the inhibition of microorganisms of interest.eng
dc.format.extent07 Páginasspa
dc.relation.ispartofJournal of Physics: Conference Series, Volume 2046, 5+1 International Meeting for Researchers in Materials and Plasma Technology (5+1 IMRMPT), 2 - 4 June 2021, Medellín, Colombia
dc.titleSilver colloidal nanoparticles by electrochemistry: temporal evaluation and surface plasmon resonanceeng
dc.typeArtículo de revistaspa
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dc.contributor.corporatenameJournal of Physics: Conference Seriesspa
dc.publisher.placeReino Unidospa
dc.relation.citationeditionVol. 2046 N0.012064 (2021)spa
dc.relation.citationissue012064 (2021)spa
dc.relation.citesH A Padilla-Sierra et al 2021 J. Phys.: Conf. Ser. 2046 012064
dc.relation.ispartofjournalJournal of Physics: Conference Seriesspa
dc.rights.creativecommonsAtribución 4.0 Internacional (CC BY 4.0)spa

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