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

19 December 2019, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

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.

Keywords

Polycyclic Aromatic Hydrocarbons
organophosphorus
redox systems
Luminescence

Supplementary materials

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