期刊
CHEMPHYSCHEM
卷 24, 期 6, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.202300105
关键词
chirality; liquid crystals; twist-bend nematic phase; resonant soft X-ray scattering
Non-symmetric lactate-based chiral liquid crystal dimers with an odd-membered spacer display a stable chiral twist-bend nematic phase at room temperature. The molecular chirality does not affect the pitch length in the N*(TB) phase, but it increases the transition temperature from nematic to twist-bend nematic.
Non-symmetric lactate-based chiral liquid crystal dimers containing an odd-membered spacer are shown to exhibit a chiral twist-bend nematic phase which is stable on cooling to room temperature. A comparison of racemic and optically pure materials reveals that the pitch length in the N*(TB) phase is not influenced by molecular chirality, whereas the nematic-twist-bend nematic transition temperature is increased.
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