Optical properties of π-conjugated donor-acceptor systems with controlled hyperpolarizability

dc.contributor.authorPiryatinski, Yu.P.
dc.contributor.authorSevryukova, M.M.
dc.date.accessioned2017-06-03T04:42:43Z
dc.date.available2017-06-03T04:42:43Z
dc.date.issued2008
dc.description.abstractFor supramolecular compounds with donor and acceptor fragments, coupled with each other by the π-conjugated methyn chain, it was ascertained an influence of Cl and Br atoms on the π-conjugation and charge transfer in them in molecular and aggregate states. Compound, which contains Br atom, crystallizes into a noncentrosymmetric polar structure and under infrared (1064 nm) laser excitation it is observed the second harmonic generation and intense up-conversion photoluminescence in the visible spectral region. For compounds containing Cl atom, when passing into a crystalline state, only up-conversion photoluminescence is observed, which can be considered as twophoton excited. Possible mechanisms of intramolecular charge transfer and collective interactions in investigated molecular structures under one- and two-photon excitation are considered.uk_UA
dc.identifier.citationOptical properties of π-conjugated donor-acceptor systems with controlled hyperpolarizability / Yu.P. Piryatinski, М.М. Sevryukova // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2008. — Т. 11, № 3. — С. 292-302. — Бібліогр.: 21 назв. — англ.uk_UA
dc.identifier.issn1560-8034
dc.identifier.otherPACS 71.35.-y, 78.55.-m
dc.identifier.urihttps://nasplib.isofts.kiev.ua/handle/123456789/119048
dc.language.isoenuk_UA
dc.publisherІнститут фізики напівпровідників імені В.Є. Лашкарьова НАН Україниuk_UA
dc.relation.ispartofSemiconductor Physics Quantum Electronics & Optoelectronics
dc.statuspublished earlieruk_UA
dc.titleOptical properties of π-conjugated donor-acceptor systems with controlled hyperpolarizabilityuk_UA
dc.typeArticleuk_UA

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