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Article Dans Une Revue Materials Advances Année : 2020

Luminescent molecular switches based on dicationic P-doped Polycyclic Aromatic Hydrocarbons

Résumé

We report the efficient synthesis of electron-acceptors based on cationic P-doped polycyclic aromatic hydrocarbons. In particular, exo-skeletal modifications of the p-core were performed and their effect on the optical and redox properties was studied and compared to the effect of endo-skeletal modifications. Combined experimental (spectroelectrochemical and electron paramagnetic resonance) and theoretical studies performed on this entire family provide in-depth characterization of the reduced species and specifically of the stable radical cations formed and afford a guideline for the property tuning of such derivatives. Finally, electrochemical modulation of fluorescence performed on two compounds highlights the potential of these intrinsically switchable electroactive fluorophores.

Domaines

Chimie organique
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Dates et versions

hal-02972508 , version 1 (12-11-2020)

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Thomas Delouche, Antoine Vacher, Thierry Roisnel, Marie Cordier, Jean-Frédéric Audibert, et al.. Luminescent molecular switches based on dicationic P-doped Polycyclic Aromatic Hydrocarbons. Materials Advances, 2020, 3369 - 3377 (9), ⟨10.1039/D0MA00711K⟩. ⟨hal-02972508⟩
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