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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, Advance Article
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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, Advance Article , DOI: 10.1039/C7CC02430D

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