Long-living optical gain induced by solvent viscosity in a push-pull molecule

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 in...

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Published inPhysical chemistry chemical physics : PCCP Vol. 18; no. 27; pp. 18289 - 18296
Main Authors Mróz, M M, Benedini, S, Forni, A, Botta, C, Pasini, D, Cariati, E, Virgili, T
Format Journal Article
LanguageEnglish
Published England 21.07.2016
Subjects
Agglomeration
Charge transfer
Continuums
Gain
Mathematical analysis
Physical chemistry
Solvents
Viscosity
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Summary: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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ISSN:1463-9076
1463-9084
DOI:10.1039/c6cp02988d