A “reverse interrupter”: the novel molecular design of a fluorescent photochromic DTE-based bipyridine

Vincent Aubert; Elena Ishow; Fatima Ibersiene; Abdou Boucekkine; J. A. Gareth Williams; Loic Toupet; Rémi Métivier; Keitaro Nakatani; Véronique Guerchais; Hubert Le Bozec

doi:10.1039/B823113C

A “reverse interrupter”: the novel molecular design of a fluorescent photochromic DTE-based bipyridine†

Vincent Aubert,^a Elena Ishow,^b Fatima Ibersiene,^a Abdou Boucekkine,^a J. A. Gareth Williams,^c Loic Toupet,^d Rémi Métivier,^b Keitaro Nakatani,^b Véronique Guerchais*^a and Hubert Le Bozec*^a

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* Corresponding authors

^a Sciences Chimiques de Rennes UMR 6226, CNRS-Université de Rennes 1, Campus de Beaulieu, France
E-mail: lebozec@univ-rennes1.fr, veronique.guerchais@univ-rennes1.fr
Fax: +33 223236939
Tel: +33 223236544

^b Laboratoire de Photophysique et Photochimie Moléculaire, UMR CNRS 8531, France

^c Department of Chemistry, University of Durham, South Road, Durham, UK

^d Groupe Matière Condensée, UMR 6626 CNRS, Université de Rennes 1, Campus de Beaulieu, France

Abstract

An original design of a fluorescent dithienylethene (DTE)-based bipyridine, where donor (D) and acceptor (A) groups are located on the same thiophene ring of the DTE unit, is reported; in non-polar solvents, UV or visible excitation triggers a photochromic reaction, disrupting the conjugation and quenching the fluorescence.

This article is part of the themed collection: New Horizons of Photochromism

New Journal of Chemistry

A “reverse interrupter”: the novel molecular design of a fluorescent photochromic DTE-based bipyridine†

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A “reverse interrupter”: the novel molecular design of a fluorescent photochromic DTE-based bipyridine

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