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Photoalignment Studies on Azo Containing Thiophene Based Acrylates

Hegde, Gurumurthy and Alla, Rasha Ata and Asman, D. Chambers and M. M., Yusoff and Matharu, A. S. and Komitov, Lachezar (2014) Photoalignment Studies on Azo Containing Thiophene Based Acrylates. Advanced Materials Research, 895. pp. 125-129. ISSN 1022-6680 (print), 1662-8985 (online)

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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.

Item Type: Article
Additional Information: Indexed in Scopus.
Uncontrolled Keywords: Photoalignment; Acrylates; Thiophenes; Azo dye; Liquid crystals
Subjects: Q Science > QC Physics
Faculty/Division: Faculty of Industrial Sciences And Technology
Depositing User: Dr. Gurumurthy Hegde
Date Deposited: 12 May 2014 00:22
Last Modified: 26 Jul 2018 08:12
URI: http://umpir.ump.edu.my/id/eprint/5455
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