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Cover Picture: Tuning the Polarization Along Linear Polyaromatic Strands for Rationally Inducing Mesomorphism in Lanthanide Nitrate Complexes (Chem. Eur. J. 6/2007)
Author(s) -
Terazzi Emmanuel,
Guénée Laure,
Morgantini PierreYves,
Bernardinelli Gérald,
Donnio Bertrand,
Guillon Daniel,
Piguet Claude
Publication year - 2007
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.200790017
Subject(s) - thermotropic crystal , lanthanide , intermolecular force , chemistry , liquid crystal , zinc nitrate , luminescence , polarization (electrochemistry) , crystallography , stereochemistry , materials science , molecule , liquid crystalline , polymer , organic chemistry , zinc , ion , optoelectronics
The bottom‐up design of luminescent lanthanide‐containing thermotropic liquid crystals is depicted on the cover. In their Full Paper on page 1674 ff., C. Piguet, P.‐Y. Morgantini et al. describe how the specific orientation of the carboxylic spacers in the molecular building blocks induces significant changes in the aromatic polarizations as measured by the electrostatic potential calculated on the Connolly surface. Only a sufficient set of polarization alternances produces enough intermolecular enthalpic cohesion compatible with the formation of liquid‐crystalline phases.