Synthesis and Characterization of Photo-Responsive Thermotropic Liquid Crystals Based on Azobenzene
Source abstract
Abstract
A series of new thermotropic liquid crystals (LCs) containing azobenzene units was synthesized. The structures of the compounds were characterized by means of NMR and FTIR spectroscopy. Their mesomorphic behaviors were investigated via differential scanning calorimetry (DSC) and polarizing optical microscopy (POM). Based on the POM and DSC measurements, the optical properties of the Razo-ester were tested using UV-vis spectroscopy. The azobenzene side chain displayed a strong ability to influence the formation of thermotropic LCs.
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Research context
OpenAlex topics: Liquid Crystal Research Advancements · Photochromic and Fluorescence Chemistry · Photonic Crystals and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Material Engineering, Jiangsu University of Technology, Changzhou 213001, China
References (25)
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1. Invited review liquid crystal models of biological materials and silk spinning10.1002/bip.21723 ↗
2. Kinetics of thermal cis–trans isomerization in a phototropic azobenzene-based single-component liquid crystal in its nematic and isotropic phases10.1039/C7CP06820D ↗
3. Thermo-, photo-, and mechano-responsive liquid crystal networks enable tunable photonic crystals10.1039/C7SM01287J ↗
4. Room-temperature oligomeric discotic nematic liquid crystals over a wide temperature range: Structure-property relationships10.1002/chem.201701578 ↗
5. Twin liquid crystals and segmented thermotropic polyesters containing azobenzene-effect of spacer length on lc properties10.1002/pola.26062 ↗
6. A photoresponsive liquid crystal based on (1-cyclohexenyl)phenyldiazene as a close analogue of azobenzene10.1039/b906716g ↗
7. Synthesis and mesomorphic properties of chiral liquid crystal dimers derived from azobenzene and substituted naphthol10.1080/02678292.2013.765608 ↗
8. Switchable photonic crystals using one-dimensional confined liquid crystals for photonic device application10.1021/acsami.6b15361 ↗
9. Photoinduced phase transitions in chiral binaphthyl-diol-doped smectic liquid crystals by a photochromic azobenzene10.1246/cl.2010.1144 ↗
10. Photo-reversible liquid crystal alignment using azobenzene-based self-assembled monolayers: Comparison of the bare monolayer and liquid crystal reorientation dynamics10.1021/la102788j ↗
11. Photoresponsive ionic liquid crystals based on azobenzene guanidinium salts10.1039/C4CP04783D ↗
12. Multi-responsible chameleon molecule with chiral naphthyl and azobenzene moieties10.1039/C5SM00073D ↗
13. Photo- and thermal-processing of azobenzene-containing star-shaped liquid crystals10.1039/C2TC00627H ↗
14. Photoisomerization-Controlled Phase Segregation in a Submicron Confined Azonematic Liquid Crystal10.1103/PhysRevLett.108.257801 ↗
15. Viscoelastic and photoresponsive properties of microparticle/liquid-crystal composite gels: Tunable mechanical strength along with rapid-recovery nature and photochemical surface healing using an azobenzene dopant10.1021/la3001784 ↗
16. Controlling morphology and porosity of porous siloxane membranes through water content of precursor microemulsion10.1039/c2sm26312b ↗
17. Mesophase behaviour of 1:1 mixtures of 4-n alkoxyphenylazo benzoic acids bearing terminal alkoxy groups of different chain lengths10.1080/02678292.2016.1166528 ↗
18. Light-driven liquid crystalline materials: From photo-induced phase transitions and property modulations to applications10.1021/acs.chemrev.6b00415 ↗
19. Azobenzene based multistimuli responsive supramolecular hydrogels10.1039/C4TC01649A ↗
20. Multistimuli responsive organogels based on a reactive azobenzene gelator10.1039/C3SM53145G ↗
21. New insights into photoactivated volume generation boost surface morphing in liquid crystal coatings10.1038/ncomms9334 ↗
22. An azobenzene-based photochromic liquid crystalline amphiphile for a remote-controllable light shutter10.1039/C5CC02834E ↗
23. Phase winding of a nematic liquid crystal by dynamic localized reorientation of an azo-based self-assembled monolayer10.1021/la501983u ↗
24. Photoinduced crystal-to-liquid phase transitions of azobenzene derivatives and their application in photolithography processes through a solid-liquid patterning10.1021/ol502223u ↗
25. Photo-induced birefringence in a nematic liquid crystal mixture doped with light-switchable mesogenic azobenzene derivatives10.1016/j.molliq.2012.02.002 ↗