Effect of surface treatment on molecular alignment behavior by scanning wave photopolymerization

Masaki Ishizu, Miho Aizawa, Norihisa Akamatsu, Kyohei Hisano, Shigenori Fujikawa, Christopher J. Barrett, Atsushi Shishido

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Alignment of anisotropic molecules can provide high-performance display materials, and can be achieved by using a photoresponsive alignment layer. By contrast, scanning wave photopolymerization (SWaP) based on molecular diffusion offers direct alignment of liquid crystal (LC) polymers without the need for polarized light or photoreactive dyes. By demonstrating this alignment method on a variety of templates to compare surface conditions with and without alignment layers, we present a process to align LCs regardless of surface treatment, even in the opposite direction of surface rubbing, indicating that SWaP enables robust and facile molecular alignment.

Original languageEnglish
Article number041004
JournalApplied Physics Express
Volume12
Issue number4
DOIs
Publication statusPublished - Apr 1 2019

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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