Matches in SemOpenAlex for { <https://semopenalex.org/work/W2034676802> ?p ?o ?g. }
- W2034676802 endingPage "572" @default.
- W2034676802 startingPage "564" @default.
- W2034676802 abstract "Light- and temperature-driven multistable chiral materials composed of a binaphthyl moiety as a twisting part and an azobenzene moiety as a photoresponsive part in a single component were investigated. It has been found that the materials show reversible change in a dihedral angle of the twisting part at various temperatures. In contrast, no change in the twisting angle of the materials during trans−cis photoisomerization was observed. Furthermore, the chiral compounds were dissolved in nematic (N) liquid crystals (LCs) to produce a chiral N phase with a helical structure. The mixture exhibited a dual molecular response to temperature and light. Helical pitch length of the chiral N LC decreased with increasing temperature because of a molecular twisting motion of the binaphthyl moiety, resulting in a stabilization of the LC helical structure. On the other hand, length of the helical pitch increased upon photoirradiation, and the resulting LC mixture was found to show photoswitching between chiral N and N phases upon trans−cis isomerization of the azobenzene moiety. The photoinduced deformation of the LC helical structure was derived from a bent shape of cis isomer of the azobenzene moiety in the chiral dopant. This dynamic modulation of the self-organizing helical structure was based on dual and selective molecular motions of the guest materials induced by external stimuli." @default.
- W2034676802 created "2016-06-24" @default.
- W2034676802 creator A5044568397 @default.
- W2034676802 creator A5050375233 @default.
- W2034676802 creator A5059943171 @default.
- W2034676802 creator A5083043926 @default.
- W2034676802 date "2009-01-12" @default.
- W2034676802 modified "2023-10-10" @default.
- W2034676802 title "Thermo and Photoresponsive Behavior of Liquid-Crystalline Helical Structures with the Aid of Dual Molecular Motions" @default.
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