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dc.creatorVodnik, Vesna
dc.creatorBožanić, Dušan K.
dc.creatorBibić, Nataša M.
dc.creatorŠaponjić, Zoran
dc.creatorNedeljković, Jovan
dc.date.accessioned2018-03-01T20:35:54Z
dc.date.available2018-03-01T20:35:54Z
dc.date.issued2008
dc.identifier.issn1533-4880
dc.identifier.urihttps://vinar.vin.bg.ac.rs/handle/123456789/3565
dc.description.abstractThe influence of shape and dielectric property of surrounding media on surface plasmon absorption band of silver nanoparticles was studied. Spherical silver nanoparticles (d = 5.6 nm) synthesized in water using NaBH4 as a reducing agent are transferred in non-polar solvent (chloroform) with phase-transfer reagent oleylamine. The absorption spectrum of oleylamine-capped silver nanoparticles dispersed in chloroform shows a strong surface plasmon resonance band that is 19 nm red-shifted compared to unmodified particles in water. The values for peak position and corresponding half widths are compared with theoretical calculations based on Mie theory. Prismatic and plate-like silver nanoparticles were synthesized in water using trisodium citrate as a reducing agent and cetyltrimethylammonium bromide as stabilizer. Due to structural anisotropy of prismatic and plate-like silver nanoparticles three surface plasmon resonance bands were observed in absorption spectrum. Nanocomposites consisting of non-spherical silver nanoparticles and polyvinyl alcohol exhibit different optical properties compared to water colloid. Instead of three surface plasmon bands, nanocomposite film has only one peak at 460 nm. Reason for appearance of single surface plasmon resonance band in nanocomposite film was discussed according to Maxwell-Garnet theory.en
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/142066/RS//
dc.rightsrestrictedAccessen
dc.sourceJournal of Nanoscience and Nanotechnologyen
dc.subjectSilver Nanoparticlesen
dc.subjectOptical Propertiesen
dc.subjectNanocompositesen
dc.titleOptical Properties of Shaped Silver Nanoparticlesen
dc.typearticleen
dc.rights.licenseARR
dcterms.abstractВодник Весна; Бозанић Душан; Шапоњић, Зоран; Недељковић Јован; Бибиц, Натаса;
dc.citation.volume8
dc.citation.issue7
dc.citation.spage3511
dc.citation.epage3515
dc.identifier.wos000260776600032
dc.identifier.doi10.1166/jnn.2008.144
dc.citation.rankM21
dc.identifier.pmid19051904
dc.type.versionpublishedVersion
dc.identifier.scopus2-s2.0-55849130401


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