Observation of UV-vis absorption properties of some PVA membranes with silver nanoparticles

Observation of UV-vis absorption properties of some PVA membranes with silver nanoparticles

The UV-vis absorption properties of polyvinyl alcohol (PVA) membranes containing 0.04 ml silver nanoparticles were investigated by UV-vis spectroscopy. The samples were investigated in initial state and after UV and gamma exposure. Some modification appears in the spectra of samples containing AgNPs...

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Veröffentlicht in:Studia Universitatis Babeș-Bolyai. Chemia 2011-09, Vol.56 (3), p.179
Hauptverfasser: Udrescu, Luciana, Marta, Bogdan, Pop, Mihaela, Pop, Cornel Viorel, Stefan, Traian, Todica, Mihai
Format: Artikel
Sprache:eng
Schlagworte:
Nanoparticles
Polymers
Silver
Ultraviolet-visible spectroscopy
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Zusammenfassung:The UV-vis absorption properties of polyvinyl alcohol (PVA) membranes containing 0.04 ml silver nanoparticles were investigated by UV-vis spectroscopy. The samples were investigated in initial state and after UV and gamma exposure. Some modification appears in the spectra of samples containing AgNPs after gamma irradiation. This behaviour indicates modifications induced in the local structure of the polymeric membranes. Keywords: Poly (vinyl alcohol), AgNPs, gamma irradiation, UV-vis spectroscopy
ISSN:1224-7154