title: New heterocyclic systems to afford microsecond green-light isomerisable azo dyes and their use as fast molecular photochromic switches.
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.
authors.affiliation: Grup de Materials Orgànics, Institut de Nanociència i Nanotecnologia (IN2UB), Departament de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, E-08028, Barcelona, Spain. dvelasco@ub.edu.
authors.forename: Jaume
authors.initials: J
authors.lastname: Garcia-Amorós
authors.forename: M Cidália
authors.initials: MC
authors.lastname: R Castro
authors.forename: Paulo
authors.initials: P
authors.lastname: Coelho
authors.forename: M Manuela
authors.initials: MM
authors.lastname: M Raposo
authors.forename: Dolores
authors.initials: D
authors.lastname: Velasco