Side-Chain Liquid Crystal Conducting Polymers

Roudini, Danesh; Foot, P.J.S.

doi:10.3184/003685016x14670237050493

Cited by 4 publications

(1 citation statement)

References 32 publications

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“…However, the large size of the LC group (mesogen) resulted in the torsion of the main chain, which deformed the coplanarity of the π-conjugation. From the viewpoint of liquid crystal science, the π-conjugated polymer with liquid crystallinity is quite an intriguing issue because collaboration between the rigid main chain of the π-conjugated system and the side-chain arrangement resulted in an unprecedented LC performance [ 4 , 5 , 6 , 7 , 8 , 9 , 10 ]. Additionally, the choice of functional LC molecules for subsequent introduction to conjugated polymers, including LCs that displayed high dielectricity, chirality, and photo-induced isomerization, resulted in LCs with unique physical functions.…”

Section: Introductionmentioning

confidence: 99%

Induction of Polyacetylene to a Chiral Smectic Liquid Crystal–Chiral Direct Conversion

2020

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The synthesis of polyacetylene-bearing pyrimidine-type three-ringed mesogenic core exhibiting smectic C (SmC) characteristics was conducted. Gas-phase iodine doping of the polymer provided evidence of chemical interaction between the polyene and iodine, which acted as an electron acceptor. The side-chain fluorine atom tilted the mesogen moiety to form SmC as a tilted liquid crystal. The addition of a small amount of chiral inducer yielded SmC* of the polymer as the chiral version of SmC. The liquid crystallinity and electronic properties of the π-conjugated chiral liquid crystal polymer with a helical structure were evaluated.

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