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- Title
AIE/ACQ Effects in Two DR/NIR Emitters: A Structural and DFT Comparative Analysis.
- Authors
Caruso, Ugo; Diana, Rosita; Tuzi, Angela; Panunzi, Barbara; Concilio, Simona; Sessa, Lucia; Piotto, Stefano; Shikler, Rafi; Nabha, Shiran
- Abstract
The effects of aggregation-induced emission (AIE) and of aggregation caused quenching (ACQ) were observed and discussed on two solid materials based on a phenylenevinylene (PV) and a dicyano-PV structure. The brightest emitter in solid films shows a high fluorescence quantum yield in the deep red/near IR (DR/NIR) region (75%). The spectroscopic properties of the two crystalline solids have been described and compared in terms of crystallographic data and time dependent DFT analysis. The influence of the cyano-substituents on AIE/ACQ mechanism activation was discussed.
- Subjects
FLUOROPHORES; FLUORESCENCE; CRYSTALS; DIOXANE; ACETONE
- Publication
Molecules, 2018, Vol 23, Issue 8, p1947
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules23081947