A Rewritable, Reprogrammable, Dual Light‐Responsive Polymer Actuator. (22nd September 2017)

• Record Type: Journal Article
• Authors: Gelebart, Anne Helene; Mulder, Dirk J.; Vantomme, Ghislaine; Schenning, Albertus P. H. J.; Broer, Dirk J.
• Is Part Of: Angewandte Chemie. Volume 129:Number 43(2017)
• Page Start: 13621
• Page End: 13624
• Publication Date: 2017-09-22
• Subjects: Aktuatoren -- Flüssigkristalle -- Photothermische Effekte -- Polymere -- Weiche Materie; Chemistry -- Periodicals; 540
• DOI: 10.1002/ange.201706793
• Languages: English
• ISSNs: 0044-8249

Abstract

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.