Photoalignment studies on azo containing thiophene based acrylates

Gurumurthy Hegde*, Rasha Ata Alla, D. Chambers-Asman, M. M. Yusoff, A. S. Matharu, Lachezar Komitov

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The photoalignment properties of thin films made from several azo-containing thiophene-based acrylate with respect to the commercially available nematic liquid crystal (MLC 6873-100; Δε>o) is reported. As observed, the photoalignment ability of these films is influenced by the number and disposition of fluoro-substituents and the position of attachment of the terminal thiophene moiety. Inclusion of a lateral fluoro-substituent(s) provides excellent photo alignment ability whereas the non-fluorinated counterpart tends to give unsatisfactory alignment quality. The performed study showed also that 2-substituted thiophenes give better photoalignment quality.

Original languageEnglish
Title of host publicationAdvanced Materials Research
PublisherTRANS TECH PUBLICATIONS LTD
Pages125-129
Number of pages5
Volume895
ISBN (Print)9783038350330
DOIs
Publication statusPublished - 2014
Event4th International Conference on Solid State Science and Technology, ICSSST 2012 - Melaka, United Kingdom
Duration: 18 Dec 201320 Dec 2013

Publication series

NameAdvanced Materials Research
Volume895
ISSN (Print)10226680

Conference

Conference4th International Conference on Solid State Science and Technology, ICSSST 2012
Country/TerritoryUnited Kingdom
CityMelaka
Period18/12/1320/12/13

Keywords

  • Acrylates
  • Azo dye
  • Liquid crystals
  • Photoalignment
  • Thiophenes

Cite this