Tuning ESIPT-coupled luminescence by expanding π-conjugation of a proton acceptor moiety in ESIPT-capable zinc(<scp>ii</scp>) complexes with 1-hydroxy-1<i>H</i>-imidazole-based ligands
Nikita A. Shekhovtsov, Елена Б. Николаенкова, Alexey S. Berezin, Victor F. Plyusnin, Katerina A. Vinogradova, Dmitry Yu. Naumov, Natalia V. Pervukhina, А. Ya. Tikhonov, Mark B. Bushuev
Abstract
photoexcitation and extraordinarily small Stokes shifts in the solid state. Finally, the π-system of quinolin-2-yl group facilitates the delocalization of the positive charge in the proton-accepting part of the molecule and promotes the ESIPT reaction.
Topics & Concepts
PhotochemistryChemistryDeprotonationMoietyImidazoleQuantum yieldLuminescenceMetal ions in aqueous solutionFluorescenceMetalIonMaterials scienceStereochemistryOrganic chemistryOptoelectronicsPhysicsQuantum mechanicsLuminescence and Fluorescent MaterialsLanthanide and Transition Metal ComplexesFluorine in Organic Chemistry