Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal

Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal

The ability of suitably derived prop-2-enoates from 3-(thiophen-2-yl)- and 3-(thiophen-3-yl)-prop-2-enoic acid and appropriately fluorinated and non-fluorinated 4-[(4-alkoxyphenyl)diazenyl]phenols to promote excellent photoalignment of a bulk commercial nematic liquid crystal is reported. The perf...

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Main Authors: Hegde, Gurumurthy, Ata Alla, Rasha, Matharuc, Avtar, Komitov, Lachezar
Format: Article
Language:English
Published: Royal Society of Chemistry 2013
Subjects:
QC Physics
Online Access:http://umpir.ump.edu.my/id/eprint/5460/
http://umpir.ump.edu.my/id/eprint/5460/
http://umpir.ump.edu.my/id/eprint/5460/
http://umpir.ump.edu.my/id/eprint/5460/1/JMC.pdf
id ump-5460
recordtype eprints
spelling ump-54602018-05-17T07:22:32Z http://umpir.ump.edu.my/id/eprint/5460/ Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal Hegde, Gurumurthy Ata Alla, Rasha Matharuc, Avtar Komitov, Lachezar QC Physics The ability of suitably derived prop-2-enoates from 3-(thiophen-2-yl)- and 3-(thiophen-3-yl)-prop-2-enoic acid and appropriately fluorinated and non-fluorinated 4-[(4-alkoxyphenyl)diazenyl]phenols to promote excellent photoalignment of a bulk commercial nematic liquid crystal is reported. The performed study showed that the photoalignment of the liquid crystal is influenced by the number and disposition of fluoro-substituents and the position of attachment of the terminal thiophene moiety, either 2- or 3-substituted, in the molecular structure of the alignment material. Inclusion of a lateral fluorosubstituent(s) induces an excellent photoalignment whereas the non-fluorinated counterpart tends to give an unsatisfactory alignment. 3-Substituted thiophenes give a better photoalignment than their 2-substituted isomeric counterparts. A prototype display, which contains an alignment layer made from one of the proposed materials, possessing good alignment ability, is presented in order to demonstrate the application potential of these materials in LCDs. Royal Society of Chemistry 2013 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/5460/1/JMC.pdf Hegde, Gurumurthy and Ata Alla, Rasha and Matharuc, Avtar and Komitov, Lachezar (2013) Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal. Journal of Materials Chemistry C, 1. pp. 3600-3605. ISSN 2050-7526 http://dx.doi.org/10.1039/C3TC00921A DOI: 10.1039/c3tc00921a
repository_type Digital Repository
institution_category Local University
institution Universiti Malaysia Pahang
building UMP Institutional Repository
collection Online Access
language English
topic QC Physics
spellingShingle QC Physics
Hegde, Gurumurthy
Ata Alla, Rasha
Matharuc, Avtar
Komitov, Lachezar
Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal
description The ability of suitably derived prop-2-enoates from 3-(thiophen-2-yl)- and 3-(thiophen-3-yl)-prop-2-enoic acid and appropriately fluorinated and non-fluorinated 4-[(4-alkoxyphenyl)diazenyl]phenols to promote excellent photoalignment of a bulk commercial nematic liquid crystal is reported. The performed study showed that the photoalignment of the liquid crystal is influenced by the number and disposition of fluoro-substituents and the position of attachment of the terminal thiophene moiety, either 2- or 3-substituted, in the molecular structure of the alignment material. Inclusion of a lateral fluorosubstituent(s) induces an excellent photoalignment whereas the non-fluorinated counterpart tends to give an unsatisfactory alignment. 3-Substituted thiophenes give a better photoalignment than their 2-substituted isomeric counterparts. A prototype display, which contains an alignment layer made from one of the proposed materials, possessing good alignment ability, is presented in order to demonstrate the application potential of these materials in LCDs.
format Article
author Hegde, Gurumurthy
Ata Alla, Rasha
Matharuc, Avtar
Komitov, Lachezar
author_facet Hegde, Gurumurthy
Ata Alla, Rasha
Matharuc, Avtar
Komitov, Lachezar
author_sort Hegde, Gurumurthy
title Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal
title_short Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal
title_full Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal
title_fullStr Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal
title_full_unstemmed Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal
title_sort azo containing thiophene based prop-2-enoates for photoalignment of a nematic liquid crystal
publisher Royal Society of Chemistry
publishDate 2013
url http://umpir.ump.edu.my/id/eprint/5460/
http://umpir.ump.edu.my/id/eprint/5460/
http://umpir.ump.edu.my/id/eprint/5460/
http://umpir.ump.edu.my/id/eprint/5460/1/JMC.pdf
first_indexed 2023-09-18T22:00:47Z
last_indexed 2023-09-18T22:00:47Z
_version_ 1777414383677210624

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