title: Wrinkled liquid-crystalline microparticle-enhanced photoresponse of PDLC-like films by coupling with mechanical stretching.
abstract: Photoresponsive behaviors are studied in hybrid liquid-crystalline (LC) films prepared with light-responsive LC polymer microparticles as dopants using photoinert polymers as a host material. Upon mechanical stretching, both topological shape change and mesogenic alignment occur in the LC polymer microparticles, enabling the polymer-dispersed LC (PDLC)-like films to bend toward a light source upon UV irradiation. The rough morphologies of the hydrophobic LC microparticles enhance their interactions with hydrophilic polymer substrates. The bilayer-like structures of the hybrid film formed in the fabrication processes are responsible for the photomechanical behavior, which is reversibly controlled by combing light irradiation with the stretching processes.
authors.affiliation: Top Runner Incubation Center for Academia-Industry Fusion, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka 940-2188, Japan. yuhaifeng@mst.nagaokaut.ac.jp
authors.forename: Haifeng
authors.initials: H
authors.lastname: Yu
authors.forename: Chong
authors.initials: C
authors.lastname: Dong
authors.forename: Weimin
authors.initials: W
authors.lastname: Zhou
authors.forename: Takaomi
authors.initials: T
authors.lastname: Kobayashi
authors.forename: Huai
authors.initials: H
authors.lastname: Yang
mesh_terms: D050866:Liquid Crystals / Q000737:chemistry*; D011142:Polyvinyl Alcohol / Q000737:chemistry*; D013314:Stress, Mechanical; D014466:Ultraviolet Rays
chemical_list: D011142:Polyvinyl Alcohol