AIE/ACQ Effects in Two DR/NIR Emitters: A Structural and DFT Comparative Analysis.
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.
['Caruso|Ugo|U|0000-0002-0572-5436', 'Panunzi|Barbara|B|', 'Diana|Rosita|R|', 'Concilio|Simona|S|0000-0002-1461-9301', 'Sessa|Lucia|L|0000-0002-5343-2777', 'Shikler|Rafi|R|', 'Nabha|Shiran|S|', 'Tuzi|Angela|A|', 'Piotto|Stefano|S|']
D003461:Crystallography D005453:Fluorescence D011145:Polyvinyls
AIE/ACQ DR/NIR emitter DFT PLQY