New heterocyclic systems to afford microsecond green-light isomerisable azo dyes and their use as fast molecular photochromic switches
2013; Royal Society of Chemistry; Volume: 49; Issue: 97 Linguagem: Inglês
10.1039/c3cc46736h
ISSN1364-548X
AutoresJaume García‐Amorós, M. Cidália R. Castro, Paulo J. Coelho, M. Manuela M. Raposo, Dolores Velasco,
Tópico(s)Luminescence and Fluorescent Materials
ResumoThe 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.
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