Changes in Optical Properties of Molecular Nanostructures

dc.citation.epage	767
dc.citation.spage	764
dc.citation.volume	117
dc.contributor.author	Vucenovic, S. M.
dc.contributor.author	Šetrajcic, J. P.
dc.contributor.author	Markoski, B.
dc.contributor.author	Mirjanic, D. Lj.
dc.contributor.author	Pelemiš, S.
dc.contributor.author	Škipina, B.
dc.date.accessioned	2023-09-15T11:58:29Z
dc.date.available	2023-09-15T11:58:29Z
dc.date.issued	2010
dc.description.abstract	This paper represents an overview about exciton systems in the molecular nanostructures (ultra thin films and superlattices) and their implications on optical properties, primarily on absorption coefficient, which is given in the form of dielectric permittivity. With utilization of Green’s function method, we have calculated dispersion law, spectral weight of exciton states and dielectric permittivity for every type of nanostructures. All obtained results are compared with optical properties in bulk crystals. Dielectric permittivity in all types of nanostructures shows very narrow and discrete dependence of external electromagnetic field frequency, which is a consequence of the expressed quantum effects, very thin thickness in these structures (or at least one dimension confinement) and boundary conditions.
dc.identifier.doi	10.12693/APhysPolA.117.764
dc.identifier.uri	https://vaseljena.ues.rs.ba/handle/123456789/782
dc.language.iso	en
dc.publisher	Polish Academy of Sciences
dc.source	Acta Physica Polonica A
dc.title	Changes in Optical Properties of Molecular Nanostructures
dc.type	Article

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