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

Ryohei Akiyoshi, Yuma Hirota, Daisuke Kosumi, Ryo Ohtani, Masaaki Nakamura, Leonard F. Lindoy, Shinya Hayami

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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.

Original languageEnglish
Pages (from-to)14288-14292
Number of pages5
JournalDalton Transactions
Volume47
Issue number40
DOIs
Publication statusPublished - Jan 1 2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

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    Akiyoshi, R., Hirota, Y., Kosumi, D., Ohtani, R., Nakamura, M., Lindoy, L. F., & Hayami, S. (2018). Ferroelectric and luminescence properties of zinc(ii) and platinum(ii) soft complexes. Dalton Transactions, 47(40), 14288-14292. https://doi.org/10.1039/c8dt01100a