Title: Thermotropic Ruthenium(II)-Containing Metallomesogens Based on Substituted 1,10-Phenanthroline Ligands
Authors: Cardinaels, Thomas ×
Ramaekers, Jan
Driesen, Kris
Nockemann, Peter
Van Hecke, Kristof
Van Meervelt, Luc
Goderis, Bart
Binnemans, Koen #
Issue Date: Mar-2009
Publisher: American Chemical Society
Series Title: Inorganic Chemistry vol:48 issue:6 pages:2490-2499
Abstract: Imidazo[4,5-f]-1,10-phenanthroline and pyrazino[2,3-f]-1,10-phenanthroline substituted with long alkyl chains are
versatile ligands for the design of metallomesogens because of the ease of ligand substitution. Whereas the ligands
and the corresponding rhenium(I) complexes were not liquid-crystalline, mesomorphism was observed for the corresponding ionic ruthenium(II) complexes with chloride, hexafluorophosphate, and bistriflimide counterions. The
mesophases were identified as smectic A phases by high-temperature small-angle X-ray scattering (SAXS) using
synchrotron radiation. The transition temperatures depend on the anion, the highest temperatures being observed
for the chloride salts and the lowest for the bistriflimide salts. The ruthenium(II) complexes are examples of luminescent ionic liquid crystals.
ISSN: 0020-1669
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
Chemistry - miscellaneous
Biochemistry, Molecular and Structural Biology Section
Molecular Imaging and Photonics
Polymer Chemistry and Materials
× corresponding author
# (joint) last author

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