By the same authors

Photoalignment studies on azo containing thiophene based acrylates

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

Author(s)

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

Department/unit(s)

Publication details

Title of host publicationAdvanced Materials Research
DatePublished - 2014
Pages125-129
Number of pages5
PublisherTRANS TECH PUBLICATIONS LTD
Volume895
Original languageEnglish
ISBN (Print)9783038350330

Publication series

NameAdvanced Materials Research
Volume895
ISSN (Print)10226680

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.

    Research areas

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

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