Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 124, Issue 31, Pages 17274-17281Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.0c02663
Keywords
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Funding
- Chinese Academy of Sciences [QYZDJSSW-SLH044]
- National Natural Science Foundation of China [21890734, 21890730]
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Consecutively boosted circularly polarized luminescence (CPL) with controlled handedness has been demonstrated in a supramolecular assembly from a completely achiral molecule. It is found that achiral C-3 symmetric molecules exhibit strong supramolecular chirality as well as CPL through a vortex-accompanied assembly method. Surprisingly, the remarkable chiroptical property and the excited energy of the achiral molecules can be further transferred to another achiral dye, resulting in an amplified CPL with a dissymmetry factor over 0.1. This work not only provides a scenario for realizing the emergence, amplification, and transfer of CPL in the supramolecular system from achiral molecules, but also paves an easy yet efficient way to construct a strong and tunable circularly polarized emission based on the coupling with achiral fluorophores.
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