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Impact of the keto—enol tautomeric equilibrium on the BODIPY chromophore.
Autorzy
Rok wydania
2018
Czasopismo
Journal of Physical Chemistry A
Numer woluminu
122
Strony
5955-5961
DOI
10.1021/acs.jpca.8b03489
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
An intramolecular tautomeric fluorescent BODIPY sensor has been designed and synthesized. The obtained BODIPY dye is a combination of the 4-bora-3a,4a-diaza-s-indacene core and a diketone fragment. The study of conformational equilibria in the ground and excited states has been completed for a broad range of solvent polarity by steady state and NMR methods as well as by DFT and TD-DFT calculations. The interpretation of the unique emission observed in hydrogen bond accepting solvents upon the excitation of the fluorescent dye in the S0–S2 transition has been accomplished. The Jablonski diagram has been analyzed for the observed processes in the BODIPY dye studied on the basis of DFT and TD-DFT calculations.
Adres publiczny
http://doi.org/10.1021/acs.jpca.8b03489
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