Issue 11, 2004
From the journal:

Journal of Materials Chemistry

Rodlike metallomesogens containing nickel(ii), palladium(ii) and copper(ii) based on novel enaminoketonato ligands†‡

Carsten P. Roll,a   Alexander G. Martin,a   Helmar Görls,a   Guido Leibeling,a   Daniel Guillon,b   Bertrand Donniob  and  Wolfgang Weigand*a  

* Corresponding authors

a Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, August-Bebel-Str. 2, Jena, Germany
E-mail: wolfgang.weigand@uni-jena.de

b Institut de Physique et Chimie des Matériaux de Strasbourg, Groupe des Matériaux Organiques, CNRS-ULP (UMR 7504), 23 rue du Loess, BP 43, Strasbourg Cedex 2, France
E-mail: bdonnio@ipcms.u-strasbg.fr

Abstract

Several new enaminoketone mesogens were synthesized and coordinated to various metal salts to yield a variety of novel rodlike metal-containing liquid crystals. The mesophases were characterized by polarized optical microscopy (POM), differential scanning calorimetry (DSC) and small-angle X-ray scattering (SAXS). Whereas the free ligands display SmA and nematic mesophases, the NiII and PdII complexes give rise to SmC and nematic phases, and the paramagnetic CuII mesogens to a narrow temperature-range nematic mesophase only. The magnetic behaviour of the latter was studied by means of EPR and magnetic susceptibility (SQUID) measurements.

Graphical abstract: Rodlike metallomesogens containing nickel(ii), palladium(ii) and copper(ii) based on novel enaminoketonato ligands

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Article information

DOI
https://doi.org/10.1039/B316731C
Article type
Paper
Submitted
22 Dec 2003
Accepted
31 Mar 2004
First published
05 May 2004

J. Mater. Chem., 2004,14, 1722-1730

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Rodlike metallomesogens containing nickel(II), palladium(II) and copper(II) based on novel enaminoketonato ligands

C. P. Roll, A. G. Martin, H. Görls, G. Leibeling, D. Guillon, B. Donnio and W. Weigand, J. Mater. Chem., 2004, 14, 1722 DOI: 10.1039/B316731C

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