Tuning the photophysical properties of 4'-substituted terpyridines - an experimental and theoretical study

Several 2,2':6',2''-terpyridines substituted in the 4'-position were synthesized and their photophysical properties were investigated by absorption and photoluminescence spectroscopy in dilute solutions and solid state. The studies confirmed that the absorption and emission...

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Published in:Organic & biomolecular chemistry 2016-01, Vol.14 (15), p.3793-3808
Main Authors: Maroń, Anna, Szlapa, Agata, Klemens, Tomasz, Kula, Slawomir, Machura, Barbara, Krompiec, Stanisław, Małecki, Jan Grzegorz, Switlicka-Olszewska, Anna, Erfurt, Karol, Chrobok, Anna
Format: Article
Language:English
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Summary:Several 2,2':6',2''-terpyridines substituted in the 4'-position were synthesized and their photophysical properties were investigated by absorption and photoluminescence spectroscopy in dilute solutions and solid state. The studies confirmed that the absorption and emission wavelengths, fluorescence quantum yields and lifetimes of 1-R(1-16) are strongly structure-related, demonstrating a decisive role of the nature of the substituent in determining the photophysical properties of 4'-functionalized terpyridines. Additionally, the density functional theory (DFT) calculations were performed for 1-R(1-16) to get insight into their electronic structure and spectroscopic properties.
ISSN:1477-0520
1477-0539
DOI:10.1039/c6ob00038j