Issue 97, 2013
From the journal:

Chemical Communications

New heterocyclic systems to afford microsecond green-light isomerisable azo dyes and their use as fast molecular photochromic switches†

Jaume Garcia-Amorós,a   M. Cidália R. Castro,b   Paulo Coelho,c   M. Manuela M. Raposo*b  and  Dolores Velasco*a  

* Corresponding authors

a Grup de Materials Orgànics, Institut de Nanociència i Nanotecnologia (IN2UB), Departament de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona, Spain
E-mail: dvelasco@ub.edu
Fax: +34 93 339 78 78
Tel: +34 93 403 92 60

b Centro de Química, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
E-mail: mfox@quimica.uminho.pt
Fax: +351 253 604382
Tel: +351 253 604381

c Centro de Química – Vila Real, Universidade de Trás-os-Montes e Alto Douro, 5001-801 Vila Real, Portugal

Abstract

The use of benzothiazole as an electron-withdrawing group allows obtaining the fastest thermal isomerisation kinetics reported heretofore for neutral azo dyes (70 μs at 298 K). These green light activatable molecules are valuable candidates as molecular photoswitches since they tolerate thousands of working cycles with no sign of fatigue.

Graphical abstract: New heterocyclic systems to afford microsecond green-light isomerisable azo dyes and their use as fast molecular photochromic switches

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Article information

DOI
https://doi.org/10.1039/C3CC46736H
Article type
Communication
Submitted
03 Sep 2013
Accepted
14 Oct 2013
First published
15 Oct 2013

Chem. Commun., 2013,49, 11427-11429

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New heterocyclic systems to afford microsecond green-light isomerisable azo dyes and their use as fast molecular photochromic switches

J. Garcia-Amorós, M. C. R. Castro, P. Coelho, M. M. M. Raposo and D. Velasco, Chem. Commun., 2013, 49, 11427 DOI: 10.1039/C3CC46736H

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