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Issue 20, 2017
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Columnar bent-core liquid crystals with two oxadiazole units and two or four alkyl chains and their phase-dependent fluorescence

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Abstract

Bent-core mesogens containing two 1,3,4-oxadiazole rings, two or four terminal alkoxy chains and a polar nitro, amino or hydroxyl substituent on the central rigid core exhibit enantiotropic hexagonal columnar mesophases and show blue fluorescence emission in solution and the solid state. Photoluminescence was measured as a function of temperature, evidencing a pronounced quenching of fluorescence by π-stacking in the columnar structure.

Graphical abstract: Columnar bent-core liquid crystals with two oxadiazole units and two or four alkyl chains and their phase-dependent fluorescence

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Publication details

The article was received on 10 Apr 2017, accepted on 06 Sep 2017 and first published on 06 Sep 2017


Article type: Paper
DOI: 10.1039/C7NJ00548B
Citation: New J. Chem., 2017,41, 11766-11777
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    Columnar bent-core liquid crystals with two oxadiazole units and two or four alkyl chains and their phase-dependent fluorescence

    M. Ferreira, E. Westphal, M. V. Ballottin, I. H. Bechtold, A. J. Bortoluzzi, D. Z. Mezalira and H. Gallardo, New J. Chem., 2017, 41, 11766
    DOI: 10.1039/C7NJ00548B

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