Optical properties of π-conjugated donor-acceptor systems with controlled hyperpolarizability
dc.contributor.author | Piryatinski, Yu.P. | |
dc.contributor.author | Sevryukova, M.M. | |
dc.date.accessioned | 2017-06-03T04:42:43Z | |
dc.date.available | 2017-06-03T04:42:43Z | |
dc.date.issued | 2008 | |
dc.description.abstract | For 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.citation | Optical 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.issn | 1560-8034 | |
dc.identifier.other | PACS 71.35.-y, 78.55.-m | |
dc.identifier.uri | https://nasplib.isofts.kiev.ua/handle/123456789/119048 | |
dc.language.iso | en | uk_UA |
dc.publisher | Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України | uk_UA |
dc.relation.ispartof | Semiconductor Physics Quantum Electronics & Optoelectronics | |
dc.status | published earlier | uk_UA |
dc.title | Optical properties of π-conjugated donor-acceptor systems with controlled hyperpolarizability | uk_UA |
dc.type | Article | uk_UA |
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