Shedding new light on quadrupolar 1,4-dihydropyrrolo[3,2- <i>b</i> ]pyrroles: impact of electron-deficient scaffolds over emission
B. Szymański, Smruti Ranjan Sahoo, Olena Vakuliuk, Rashid R. Valiev, Ruslan R. Ramazanov, Piotr Łaski, Katarzyna N. Jarzembska, Radosław Kamiński, Mohammad Bagher Teimouri, Glib Baryshnikov, Daniel T. Gryko
Abstract
decrease in the fluorescence intensity. Computational studies point out to strong charge transfer originating from exceptionally large dihedral angles as the pivotal reason of this phenomenon. Although internal conversion originating from the charge-transfer state is the prevailing non-radiative deactivation mechanism, intersystem crossing also plays a role. The rational design of DHPPs that enables modulation of emission will advance their applicability.
Topics & Concepts
ElectronSeries (stratigraphy)Work (physics)ChemistryCrystallographyMaterials scienceAtomic physicsPhysicsQuantum mechanicsBiologyPaleontologySynthesis and Properties of Aromatic CompoundsPorphyrin and Phthalocyanine ChemistryNonlinear Optical Materials Research