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3. Applications or implementation
3.1 Photophysical properties of molecule 2 in solution
In solution in organic solvents, molecule 2 shows an absorption spectrum with its lowest-energy band located in the visible range (figure 4 a). It corresponds to the electronic transition between the HO and BV states. The intensity of this band is characterized by a molar absorption coefficient of the order of 100,000 M –1 .L.cm –1 , which is a very high value and testifies to the permissive nature of the transition. The return of the excited state to the ground state is accompanied by fluorescence...
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F. Fages, A. D'Aléo, E. Zaborova, D. H. Kim, C. Adachi, J.-C. Ribierre "Organic Electroluminescent Device, Compound and Use Thereof" Japan patent application 2017-30528, Fukuoka (Japan) 22.03.2017.
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