Long-living optical gain induced by solvent viscosity in a push–pull molecule
Literature Information
M. M. Mróz, S. Benedini, A. Forni, C. Botta, D. Pasini, E. Cariati, T. Virgili
The combination of continuum and ultrafast pump–probe spectroscopy with DFT and TDDFT calculations, in viscous and non-viscous environments, is effective in unraveling important features of the twisted intramolecular charge transfer mechanism in a new push–pull molecule that possesses aggregation induced emission properties. Long-living optical gain is found when this mechanism is inhibited, highlighting the importance of the environment rigidity in the design of materials for photonic applications.
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