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Iwai, R., Suzuki, S., Sasaki, S., Sairi, A. S., Igawa, K., Suenobu, T., Morokuma, K. & Konishi, G.-I. (2020) Bridged Stilbenes: AIEgens Designed via a Simple Strategy to Control the Non-radiative Decay Pathway. Angew. Chem.-Int. Edit. 59 10566–10573. 
Added by: Richard Baschera (2020-04-10 12:48:50)   Last edited by: Richard Baschera (2020-06-29 12:54:32)
Type de référence: Article
DOI: 10.1002/anie.202000943
Numéro d'identification (ISBN etc.): 1433-7851
Clé BibTeX: Iwai2020
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Catégories: HORSIMN, INTERNATIONAL
Mots-clés: absorption, aggregation-induced emission, conical intersections, control of conical intersection accessibility, excited singlet-state, fluorescence, luminogens, non-radiative decay, spectra, stilbene, tetraphenylethylene
Créateurs: Igawa, Iwai, Konishi, Morokuma, Sairi, Sasaki, Suenobu, Suzuki
Collection: Angew. Chem.-Int. Edit.
Consultations : 8/462
Indice de consultation : 7%
Indice de popularité : 1.75%
Résumé     
To broaden the application of aggregation-induced emission (AIE) luminogens (AIEgens), the design of novel small-molecular dyes that exhibit high fluorescence quantum yield (phi(fl)) in the solid state is required. Considering that the mechanism of AIE can be rationalized based on steric avoidance of non-radiative decay pathways, a series of bridged stilbenes was designed, and their non-radiative decay pathways were investigated theoretically. Bridged stilbenes with short alkyl chains exhibited a strong fluorescence emission in solution and in the solid state, while bridged stilbenes with long alkyl chains exhibited AIE. Based on this theoretical prediction, we developed the bridged stilbenes BPST[7] and DPB[7], which demonstrate excellent AIE behavior.
  
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