Article Dans Une Revue Organic Letters Année : 2022

Tuning the Charge Transfer in lambda 5 -Phosphinines with Amino-substituents

Résumé

We report the substitution of lambda 5-phosphinines (2,6-dicarbonitrile diphenyl-1-λ 5-phosphinine) with amino-group. The impact of these modifications on both the optical and redox properties is investigated using a joint experimental/theoretical approach. In particular, we show that the choice of the donor diphenyl-amino group dramatically impacts the nature of the charge transfer. The use of di(methoxyphenyl)amine redshifts the optical properties and allows thermally activated delayed fluorescent in the solid-state. Finally, we demonstrated that lambda 5-phosphinines with amino-group can be used as active emitter in an electroluminescent device.

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hal-03773274 , version 1 (09-09-2022)

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Nicolas Ledos, Thitiporn Sangchai, Iryna Knysh, Manon Bousquet, Payal Manzhi, et al.. Tuning the Charge Transfer in lambda 5 -Phosphinines with Amino-substituents. Organic Letters, 2022, 24 (37), pp.6869-6873. ⟨10.1021/acs.orglett.2c02846⟩. ⟨hal-03773274⟩
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