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On‐Demand Wrinkling Patterns in Thin Metal Films Generated from Self‐Assembling Liquid Crystals
Authors:Laurens T. de Haan  Philippe Leclère  Pascal Damman  Albertus P. H. J. Schenning  Michael G. Debije
Affiliation:1. Functional Organic Materials and Devices, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, MB, Eindhoven, Netherlands;2. Laboratory for Chemistry of Novel Materials, University of Mons, Mons, Belgium;3. Laboratoire Interfaces and Fluides Complexes, University of Mons, Mons, Belgium
Abstract:In this work, a new, universal method is described that uses the photopatterning of liquid crystals, which is accurately translated into a controlled, intricately wrinkled metal surface. Remarkably, the patterns have an oscillation in amplitude of the wrinkles. This rapid method allows generation of intricate multidomain patterns and continuous circular structures, including azimuthal, radial, and even higher complexity arrangements as examples. These wrinkled gold surfaces are also strikingly visual, which is interesting for applications ranging from diffractive elements to fine jewelry.
Keywords:diffraction  gold  liquid crystal  photopatterning  wrinkling
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