Quadrupolar fluorophores with tetrafluorobenzene central electron acceptor
Článekpeer-reviewedpublished version Náhled není k dispozici
Datum publikování
2021
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Elsevier Science SA
Abstrakt
Seven novel quadrupolar chromophores based on 1,2,4,5-tetrafluorobenzene (TFB) central electron acceptor unit and methoxythiophene peripheral donor were synthetized and described. Fundamental structure-property relationships were elucidated via thermal, electrochemical and optical measurements. These revealed that the properties are mostly affected by the used p-linker. Variation of the p-linker resulted in tuning of the HOMO-LUMO gap. The LUMO clearly reflects planarity, polarizability and electronic transparency of the utilized p-linker. The absorption maxima of target chromophores were found within the range of 346-412 nm and the emission maxima of emissive derivatives were found within the range of 411-499 nm. Novel TFBs were compared with TFBs previously described in the literature. The experimental data are further corroborated by theoretical calculations.
Rozsah stran
p. 109735
ISSN
0022-1139
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Zdrojový dokument
Journal of Fluorine Chemistry, volume 243, issue: march
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https://www.sciencedirect.com/science/article/pii/S0022113921000130
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Klíčová slova
tetrafluorobenzene, methoxythiophene, push-pull chromophore, fluorescence, tetrafluorbenzen, methoxythiofen, push-pull chromofor, fluorescence