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Helicene-based chiroptical switches

Abstract : Helicenes are mols. with ortho-fused arom. rings that adopt an inherently chiral helical shape. This helical topol. combined with the extended π-conjugated system provides them with excellent chiroptical and photophys. properties. These properties and peculiarities make helicenes important candidates for the conception of new chiroptical switches. Several examples of light-, redox- and pH-triggered helicene-based switches have recently appeared in the literature including examples from our group. Some of them are multi-input and/or multi-output systems in which the changes can be triggered by different stimuli and/or read-out by different techniques, an attractive advantage for functional materials.
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Submitted on : Thursday, June 2, 2016 - 1:58:35 PM
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Helena Isla, Jeanne Crassous. Helicene-based chiroptical switches. Comptes Rendus Chimie, Elsevier Masson, 2016, 19 (1-2), pp.39-49. ⟨10.1016/j.crci.2015.06.014⟩. ⟨hal-01254818⟩

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