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Issue 43, 2017
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3D and 2D supramolecular assemblies and thermotropic behaviour of a carbo-benzenic mesogen

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Abstract

Hexaalkoxy-di(phenylethynyl)-tetraphenyl-carbo-benzenes bearing six CnH2n+1 aliphatic chains (n = 12, 18) have been synthesized and characterized, including by single crystal XRD analysis. For n = 12, a liquid crystal behaviour was observed in the range of 109–130 °C. DSC, POM and PXRD analyses evidenced a rectangular columnar mesophase at 115 °C. The determined 3D lattice constants are consistent with 2D STM images of the so-called “carbo-mesogen” deposited on an HOPG surface.

Graphical abstract: 3D and 2D supramolecular assemblies and thermotropic behaviour of a carbo-benzenic mesogen

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Publication details

The article was received on 29 Mar 2017, accepted on 09 May 2017 and first published on 09 May 2017


Article type: Communication
DOI: 10.1039/C7CC02430D
Citation: Chem. Commun., 2017,53, 5902-5905
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    3D and 2D supramolecular assemblies and thermotropic behaviour of a carbo-benzenic mesogen

    C. Zhu, T. Wang, C. Su, S. Lee, A. Rives, C. Duhayon, B. Kauffmann, V. Maraval, C. Chen, H. Hsu and R. Chauvin, Chem. Commun., 2017, 53, 5902
    DOI: 10.1039/C7CC02430D

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