Push–pull [7]helicene diimide: excited-state charge transfer and solvatochromic circularly polarised luminescence
Fridolin Saal, Asim Kumar Swain, Alexander Schmiedel, Marco Holzapfel, Christoph Lambert, Prince Ravat
Abstract
Herein we describe a helically chiral push–pull molecule named 9,10-dimethoxy-[7]helicene diimide, displaying fluorescence and CPL over nearly the entire visible spectrum dependent on solvent polarity along with high dissymmetry factors.
Topics & Concepts
SolvatochromismLuminescenceHeliceneExcited stateDiimideCharge (physics)PhotochemistryMaterials scienceChemistryFluorescenceOptoelectronicsPerylenePhysicsAtomic physicsOpticsMoleculeOrganic chemistryQuantum mechanicsSynthesis and Properties of Aromatic CompoundsPhotochromic and Fluorescence ChemistryPhotochemistry and Electron Transfer Studies