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Issue 11, 2004
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Rodlike metallomesogens containing nickel(II), palladium(II) and copper(II) based on novel enaminoketonato ligands

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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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The article was received on 22 Dec 2003, accepted on 31 Mar 2004 and first published on 05 May 2004


Article type: Paper
DOI: 10.1039/B316731C
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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