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Multifunctional Pt(II) metallomesogens exhibiting luminescence and proton conductivity in the mesophase near room-temperature

Abstract

New unsymmetrical pyridine- and isoquinoline-functionalized bis(pyrazolate) Pt(II) metallomesogens have been engineering designed to exhibit multifunctional properties in terms of mesomorphism, photoluminescence and ionic conductivity near room temperature. Molecules are self-assembled in the hexagonal columnar mesophases via Pt···Pt interactions, which generates a strong orange-red emission as a result of the formation of triplet metal-metal-to-ligand charge-transfer (3MMLCT) excited states. Concomitantly, the hexagonal columnar mesophases open continuous nanochannels that have been used for proton conduction in a wide range of temperatures. It is also noteworthy that luminescence typically decreases with temperature, whereas the ionic conductivity increases up to values of the order of 10-5 Ohm-1 cm-1 at ca. 300 ºC in the mesophase.

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Publication details

The article was received on 05 Jul 2018, accepted on 09 Aug 2018 and first published on 09 Aug 2018


Article type: Paper
DOI: 10.1039/C8TC03308K
Citation: J. Mater. Chem. C, 2018, Accepted Manuscript
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    Multifunctional Pt(II) metallomesogens exhibiting luminescence and proton conductivity in the mesophase near room-temperature

    C. Cuerva, J. A. Campo, M. Cano, R. Schmidt and C. Lodeiro, J. Mater. Chem. C, 2018, Accepted Manuscript , DOI: 10.1039/C8TC03308K

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