Chapter 7 Poly(Methacrylamidoaryl Methacrylate)’s Surface Morphology

摘要

Surface-mediated photoalignment of liquid crystals (LCs) arises on adjacent surfaces treated with light. The photoalignment effect was firstly described in 1988 by Ichimura et al. [1]. Actual applications of photoalignment provide new incentives for research in this field. Development of advanced photoalignment processes, synthesis of new photoalignment materials, and fundamental studies of the mechanisms of photoalignment continue to be a focus of interest of researchers and engineers dealing with LCs. The photoalignment phenomenon was observed for materials with photosensitive species undergoing trans-cis photoisomerization; cycloaddition-type photo-cross-linking as well as materials susceptible to photodestruction [2–5].