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Multi-Stage Redox Systems Based on Dicationic P-Containing Polycyclic Aromatic Hydrocarbons

preprint
submitted on 13.12.2019 and posted on 19.12.2019 by Thomas Delouche, Antoine Vacher, Elsa Caytan, Thierry Roisnel, Boris Le Guennic, Denis Jacquemin, Muriel Hissler, Pierre-Antoine Bouit
In this communication, we report the straightforward
synthesis of unprecedented electron-acceptors based on dicationic P-containing PAHs (Polycyclic Aromatic Hydrocarbons) where two phosphoniums are connected through various PAHs backbones. The impact of pi-extension on both the optical and redox properties is investigated using a joint experimental/theoretical approach.
Finally, (spectro)-electrochemical studies prove that these
compounds possess three redox states and EPR studies confirms the in situ formation of an organic radical.

Funding

Heterographene ANR-16-CE05-0003-01

History

Email Address of Submitting Author

pierre-antoine.bouit@univ-rennes1.fr

Institution

Univ Rennes, CNRS, ISCR - UMR 6226,

Country

France

ORCID For Submitting Author

0000-0002-0538-9276

Declaration of Conflict of Interest

No conflict of interest

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