Issue 9, 2020

Luminescent molecular switches based on dicationic P-doped polycyclic aromatic hydrocarbons

Abstract

We report the efficient synthesis of electron-acceptors based on cationic P-doped polycyclic aromatic hydrocarbons. In particular, exo-skeletal modifications of the π-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.

Graphical abstract: Luminescent molecular switches based on dicationic P-doped polycyclic aromatic hydrocarbons

Supplementary files

Article information

Article type
Paper
Submitted
16 sep. 2020
Accepted
18 oct. 2020
First published
19 oct. 2020
This article is Open Access
Creative Commons BY-NC license

Mater. Adv., 2020,1, 3369-3377

Luminescent molecular switches based on dicationic P-doped polycyclic aromatic hydrocarbons

T. Delouche, A. Vacher, T. Roisnel, M. Cordier, J. Audibert, B. Le Guennic, F. Miomandre, D. Jacquemin, M. Hissler and P. Bouit, Mater. Adv., 2020, 1, 3369 DOI: 10.1039/D0MA00711K

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