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Article Dans Une Revue Chemical Communications Année : 2017

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

Résumé

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 degrees C. DSC, POM and PXRD analyses evidenced a rectangular columnar mesophase at 115 degrees C. The determined 3D lattice constants are consistent with 2D STM images of the so-called "carbo-mesogen'' deposited on an HOPG surface.
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hal-01939393 , version 1 (29-11-2018)

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Chongwei Zhu, Tsai-Hui Wang, Chien-Jhang Su, Shern-Long Lee, Arnaud Rives, et al.. 3D and 2D supramolecular assemblies and thermotropic behaviour of a carbo-benzenic mesogen. Chemical Communications, 2017, 53 (43), pp.5902-5905. ⟨10.1039/c7cc02430d⟩. ⟨hal-01939393⟩
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