title: Time-programmed helix inversion in phototunable liquid crystals.
abstract: Doping cholesteric liquid crystals with photo-responsive molecules enables controlling the colour and polarisation of the light they reflect. However, accelerating the rate of relaxation of these photo-controllable liquid crystals remains challenging. Here we show that the relaxation rate of the cholesteric helix is fully determined by helix inversion of the molecular dopants.
authors.affiliation: Laboratory for Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology, University of Twente, PO Box 207, 7500 AE Enschede, The Netherlands.
authors.forename: Sarah J
authors.initials: SJ
authors.lastname: Asshoff
authors.forename: Supitchaya
authors.initials: S
authors.lastname: Iamsaard
authors.forename: Alessandro
authors.initials: A
authors.lastname: Bosco
authors.forename: Jeroen J L M
authors.initials: JJ
authors.lastname: Cornelissen
authors.forename: Ben L
authors.initials: BL
authors.lastname: Feringa
authors.forename: Nathalie
authors.initials: N
authors.lastname: Katsonis
mesh_terms: D000475:Alkenes / Q000138:chemical synthesis / Q000737:chemistry; D007700:Kinetics; D050866:Liquid Crystals / Q000737:chemistry*; D013237:Stereoisomerism; D013997:Time Factors; D014466:Ultraviolet Rays
chemical_list: D000475:Alkenes