Photodynamic Chiral Molecular Switches with Thermal Stability: From Reflection Wavelength Tuning to Handedness Inversion of Self‐Organized Helical Superstructures
- 22 October 2013
- journal article
- research article
- Published by Wiley in Angewandte Chemie
- Vol. 52 (51), 13703-13707
- https://doi.org/10.1002/anie.201306396
Abstract
A good turn: Three compounds that bear two axially chiral bridged binaphthyl units were developed as photodynamic chiral dopants for nematic liquid crystals. For compounds with suitable bridge lengths, a change in the dihedral angle induced a switch of the binaphthyl units from the cisoid to the transoid form upon UV irradiation, which led to an inversion of the handedness of the helices.Keywords
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