A rewritable, reprogrammable, dual light-responsive polymer actuator

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Abstract

We report on the fabrication of a rewritable and reprogrammable dual-photoresponsive liquid crystalline-based actuator containing an azomerocyanine dye that can be locally converted into the hydroxyazopyridinium form by acid treatment. Each dye absorbs at a different wavelength giving access to programmable actuators, the folding of which can be controlled by using different colors of light. The acidic patterning is reversible and allows the erasing and rewriting of patterns in the polymer film, giving access to reusable, adjustable soft actuators.

Original languageEnglish
Pages (from-to)13436-13439
Number of pages4
JournalAngewandte Chemie - International Edition
Volume56
Issue number43
DOIs
Publication statusPublished - 16 Oct 2017

Keywords

  • actuators
  • liquid crystals
  • photothermal effects
  • polymers
  • soft matter

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