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Circularly polarized luminescence induced by excimer based on pyrene-modified binaphthol
Authors:Chaoyang Wang  Tao Jiang  Xiang Ma
Affiliation:Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
Abstract:
A new chiral bromobinaphthol-pyrene compound was developed to achieve a green circularly polarized luminescence (CPL) from its excimer with a dissymmetry factor (|glum|) value of 4.3×10-3 and a high quantum yield ΦF, solid up to 55.9%, while no CPL signals could be observed for the blue luminescence from unimolecule. Meanwhile, reversal CPL signals can be observed from both concentrated solution and solid.
Keywords:Chirality  Excimer  Circularly polarized luminescence  Aggregated induced emission  Binaphthol  
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