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Title: Lanthanidomesogens
Authors: Binnemans, Koen
Series Editors: Bünzli, Jean-Claude G.
Pecharsky, Vitalij K.
Issue Date: 2013
Publisher: Elsevier
Series Title: Handbook on the Physics and Chemistry of Rare Earths vol:43
Host Document: Handbook on the Physics and Chemistry of Rare Earths pages:1-158
Article number: 254
Abstract: Liquid crystals (LCs) are a state of matter between liquid and solid and the corresponding compounds present at least two melting points, the first corresponding to the transition to the LC cloudy phase and the second being
a clarification to pure liquid. Some LCs are seen in living systems; for instance, certain proteins and cell membranes are LCs. Technically, the properties of LCs are exploited in electronic displays (LCDs). Lanthanidomesogens can be defined as liquid-crystalline lanthanide complexes or
lanthanide-containing LCs. These compounds combine the unique properties of lanthanide ions, luminescence and paramagnetism, with those of LCs: fluidity, anisotropy, and response to electric and magnetic fields. Lanthanidomesogens
allow obtaining materials that emit linearly polarized light or that can be aligned by an external magnetic field. The reader is first introduced to the different types of mesophases and to the experimental methods used for identifying them. A detailed presentation of the different classes of lanthanidomesogens is then given, with the focus on their structural, luminescent, magnetic, and electric properties. The classes of compounds reviewed include Schiff’s base complexes, beta-enaminoketonates, beta-diketonates, bis(benzimidazolyl)pyridine complexes, phthalocyanine complexes, porphyrin complexes, lanthanide
alkanoates, polyoxometalate-surfactant complexes, ionic liquid-crystalline lanthanide complexes, and lyotropic lanthanidomesogens. The chapter concludes with an overview of the less-documented actinide-containing LCs (actinidomesogens).
ISBN: 978-0-444-59536-2
Publication status: published
KU Leuven publication type: IHb
Appears in Collections:Molecular Design and Synthesis

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