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Ferroelectric and luminescence properties of zinc(II) and platinum(II) soft complexes

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Abstract

Zinc(II) and platinum(II) complexes [M(X-4-C18-salmmen)] (M = Zn (1) and Pt (2), X = R, S (optical isomer) and rac (racemate), salmmen = N,N′-monomethylenebis-salicylideneimine) were synthesized and investigated. The series of compounds represented by 1 (R, S and rac forms) display liquid crystalline state behaviour at 413 K, and exhibit both ferroelectric and fluorescence properties, while the compounds represented by 2 (R and S, and rac forms) do not display liquid crystal behaviour but do exhibit ferroelectric and fluorescence properties. The ferroelectric behaviour was confirmed by second harmonic generation (SHG) experiments. It is considered that the motion and fluctuation of the long alkyl chains in these complexes results in the observed ferroelectric properties.

Graphical abstract: Ferroelectric and luminescence properties of zinc(ii) and platinum(ii) soft complexes

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Publication details

The article was received on 22 Mar 2018, accepted on 25 May 2018 and first published on 25 May 2018


Article type: Paper
DOI: 10.1039/C8DT01100A
Citation: Dalton Trans., 2018, Advance Article
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    Ferroelectric and luminescence properties of zinc(II) and platinum(II) soft complexes

    R. Akiyoshi, Y. Hirota, D. Kosumi, R. Ohtani, M. Nakamura, L. F. Lindoy and S. Hayami, Dalton Trans., 2018, Advance Article , DOI: 10.1039/C8DT01100A

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