Realization of nitroaromatic chromophores with intense two-photon brightness

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dc.contributor.authorSadowski, Bartłomiej
dc.contributor.authorKaliszewska, Marzena
dc.contributor.authorClermont, Guillaume
dc.contributor.authorPoronik, Yevgen M.
dc.contributor.authorBlanchard-Desce, Mireille
dc.contributor.authorPiątkowski, Piotr
dc.contributor.authorGryko, Daniel T.
dc.contributor.organizationCentre of New Technologies, University of Warsawen
dc.contributor.organizationDepartment of Chemistry, University of Warsawen
dc.contributor.organizationUniv. Bordeaux, CNRS, Franceen
dc.contributor.organizationInstitute of Organic Chemistry, Polish Academy of Sciencesen
dc.description.abstractStrong fluorescence is a general feature of dipyrrolonaphthyridinediones bearing two nitrophenyl substituents. Methyl groups simultaneously being weakly electron-donating and inducing steric hindrance appear to be a key structural parameter that allows for significant emission enhancement, whereas Et2N groups cause fluorescence quenching. The magnitude of two-photon absorption increases if 4-nitrophenyl substituents are present while the contribution of Et2N groups is detrimental.en
dc.description.sponsorshipNational Science Centre, Poland (Sonata 2021/43/D/ST4/02267 ; OPUS 2020/37/B/ST4/00017); Foundation for Polish Science (TEAM POIR.04.04.00-00-3CF4/16-00)
dc.identifier.citationChem. Commun., 2023, 59, 11708 ;
dc.publisherRoyal Society of Chemistryen
dc.rightsUznanie autorstwa-Użycie niekomercyjne 3.0 Polska*
dc.titleRealization of nitroaromatic chromophores with intense two-photon brightnessen
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