[5]Helicene-based chiral triarylboranes with large luminescence dissymmetry factors over a 10<sup>−2</sup> level: synthesis and design strategy <i>via</i> isomeric tuning of steric substitutions
Fei Zhao, Jingyi Zhao, Yu Wang, Hou‐Ting Liu, Qinghai Shang, Nan Wang, Xiaodong Yin, Xiaoyan Zheng, Pangkuan Chen
Abstract
) between electric and magnetic transition dipole moments in the excited states. In addition, the conspicuous intramolecular donor-acceptor charge transfer led to thermal responses in the emissions of 2 and 4 over a broad temperature range.
Topics & Concepts
HeliceneSteric effectsLuminescenceIntramolecular forceEnantiomerCircular dichroismChirality (physics)ChemistryCrystallographyRacemizationPhotochemistryAcceptorMaterials scienceStereochemistryMoleculeOptoelectronicsSymmetry breakingPhysicsOrganic chemistryQuantum mechanicsChiral symmetry breakingCondensed matter physicsNambu–Jona-Lasinio modelSynthesis and Properties of Aromatic CompoundsLuminescence and Fluorescent MaterialsAdvanced NMR Techniques and Applications