Cargando…

Liquid Crystals Investigation Behavior on Azo-Based Compounds: A Review

Liquid crystal is an intermediate phase between the crystalline solid and an isotropic liquid, a very common substance in our daily lives. Two major classes of liquid crystal are lyotropic, where a liquid crystal is dissolved in a specific solvent under a particular concentration and thermotropic, w...

Descripción completa

Detalles Bibliográficos
Autores principales: Razali, Nurul Asma, Jamain, Zuhair
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8538700/
https://www.ncbi.nlm.nih.gov/pubmed/34685221
http://dx.doi.org/10.3390/polym13203462
_version_ 1784588569675825152
author Razali, Nurul Asma
Jamain, Zuhair
author_facet Razali, Nurul Asma
Jamain, Zuhair
author_sort Razali, Nurul Asma
collection PubMed
description Liquid crystal is an intermediate phase between the crystalline solid and an isotropic liquid, a very common substance in our daily lives. Two major classes of liquid crystal are lyotropic, where a liquid crystal is dissolved in a specific solvent under a particular concentration and thermotropic, which can be observed under temperature difference. This review aims to understand how a structure of a certain azo compound might influence the liquid crystal properties. A few factors influence the formation of different liquid crystals: the length of the alkyl terminal chain, inter/intra-molecular interaction, presence of spacer, spacer length, polarization effects, odd-even effects, and the presence of an electron-withdrawing group or an electron-donating group. As final observations, we show the compound’s different factors, the other liquid crystal is exhibited, and the structure–property relationship is explained. Liquid crystal technology is an ideal system to be applied to products to maximize their use, especially in the electronic and medical areas.
format Online
Article
Text
id pubmed-8538700
institution National Center for Biotechnology Information
language English
publishDate 2021
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-85387002021-10-24 Liquid Crystals Investigation Behavior on Azo-Based Compounds: A Review Razali, Nurul Asma Jamain, Zuhair Polymers (Basel) Review Liquid crystal is an intermediate phase between the crystalline solid and an isotropic liquid, a very common substance in our daily lives. Two major classes of liquid crystal are lyotropic, where a liquid crystal is dissolved in a specific solvent under a particular concentration and thermotropic, which can be observed under temperature difference. This review aims to understand how a structure of a certain azo compound might influence the liquid crystal properties. A few factors influence the formation of different liquid crystals: the length of the alkyl terminal chain, inter/intra-molecular interaction, presence of spacer, spacer length, polarization effects, odd-even effects, and the presence of an electron-withdrawing group or an electron-donating group. As final observations, we show the compound’s different factors, the other liquid crystal is exhibited, and the structure–property relationship is explained. Liquid crystal technology is an ideal system to be applied to products to maximize their use, especially in the electronic and medical areas. MDPI 2021-10-09 /pmc/articles/PMC8538700/ /pubmed/34685221 http://dx.doi.org/10.3390/polym13203462 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Review
Razali, Nurul Asma
Jamain, Zuhair
Liquid Crystals Investigation Behavior on Azo-Based Compounds: A Review
title Liquid Crystals Investigation Behavior on Azo-Based Compounds: A Review
title_full Liquid Crystals Investigation Behavior on Azo-Based Compounds: A Review
title_fullStr Liquid Crystals Investigation Behavior on Azo-Based Compounds: A Review
title_full_unstemmed Liquid Crystals Investigation Behavior on Azo-Based Compounds: A Review
title_short Liquid Crystals Investigation Behavior on Azo-Based Compounds: A Review
title_sort liquid crystals investigation behavior on azo-based compounds: a review
topic Review
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8538700/
https://www.ncbi.nlm.nih.gov/pubmed/34685221
http://dx.doi.org/10.3390/polym13203462
work_keys_str_mv AT razalinurulasma liquidcrystalsinvestigationbehavioronazobasedcompoundsareview
AT jamainzuhair liquidcrystalsinvestigationbehavioronazobasedcompoundsareview