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Biaxial Nematic Mesophases from Shape‐Persistent Mesogens with a Fluorenone Bending Unit
Author(s) -
Lehmann Matthias,
Köhn Christiane,
Figueirinhas João L.,
Feio Gabriel,
Cruz Carlos,
Dong Ronald Y.
Publication year - 2010
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201001214
Subject(s) - liquid crystal , materials science , biaxial nematic , mesogen , bending , fluorenone , crystallography , optics , condensed matter physics , composite material , liquid crystalline , optoelectronics , polymer , chemistry , physics , fluorene
Line up! Two optical axes in nematic phases make high demands on the mesogen design. V‐shaped, shape‐persistent fluorenone nematogens have been shown to assemble in low‐temperature nematic liquid‐crystal phases with biaxial order (see figure).