Title: Is Chemical Crosslinking Necessary for the Photoinduced Bending of Polymer Films?

Author: Jun-ichi Mamiya, Akira Yoshitake, Mizuho Kondo, Yanlei Yu, Tomiki Ikeda*

Journal: J. Mater. Chem., 2008, 18, 63-65

Abstract:

Freestanding crosslinked liquid-crystalline polymer films obtained by self-assembly through intermolecular hydrogen bonding showed photoinduced bending and unbending. The structural change at the microscopic level, caused by trans–cis photoisomerization of the azobenzene moieties at the hydrogen-bonded crosslinks, is successfully converted into a macroscopic deformation in the liquid-crystalline polymer films.

Fulltext Link: https://pubs.rsc.org/en/content/articlelanding/2008/jm/b715855f#!divAbstract