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Two- and Three-Dimensional Liquid-Crystal Phases from Axial Bundles of Rodlike Polyphiles: Segmented Cylinders, Crossed Columns, and Ribbons between Sheets^†

Dr. Feng Liu

Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

Dr. Marko Prehm

Organic Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle (Germany)

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Dr. Xiangbing Zeng,

Dr. Xiangbing Zeng

Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

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Prof. Dr. Goran Ungar,

Corresponding Author

Prof. Dr. Goran Ungar

[email protected]

Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

WCU program C2E2, School of Chemical and Biological Engineering, Seoul National University, Seoul (Korea)

Goran Ungar, Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

Carsten Tschierske, Organic Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle (Germany)

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Prof. Dr. Carsten Tschierske,

Corresponding Author

Prof. Dr. Carsten Tschierske

[email protected]

Organic Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle (Germany)

Goran Ungar, Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

Carsten Tschierske, Organic Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle (Germany)

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Dr. Feng Liu,

Dr. Feng Liu

Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

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Dr. Marko Prehm,

Dr. Marko Prehm

Organic Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle (Germany)

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Dr. Xiangbing Zeng,

Dr. Xiangbing Zeng

Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

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Prof. Dr. Goran Ungar,

Corresponding Author

Prof. Dr. Goran Ungar

[email protected]

Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

WCU program C2E2, School of Chemical and Biological Engineering, Seoul National University, Seoul (Korea)

Goran Ungar, Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

Carsten Tschierske, Organic Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle (Germany)

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Prof. Dr. Carsten Tschierske,

Corresponding Author

Prof. Dr. Carsten Tschierske

[email protected]

Organic Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle (Germany)

Goran Ungar, Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S13JD (UK)

Carsten Tschierske, Organic Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120 Halle (Germany)

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First published: 20 September 2011

https://doi.org/10.1002/ange.201103303

Citations: 7

^†

This work was supported by the EC 7th and 6th Framework Programmes, under contracts 2007-2013 (NANOGOLD, grant agreement No. 228455), and ERAS-CT-2003-989409. It was also supported by the DFG and EPSRC as part of the ESF EUROCORES Programme SONS. G.U. acknowledges support from the WCU program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (R31-10013). M.P. acknowledges the support by the Cluster of Excellence “Nanostructured Materials” and DFG (FG 1145). For help with the synchrotron experiments we thank Drs. Nick Terrill, Jen Hiller (beamline I22), Steve Collins, and Alessandro Bombardi (beamline I16) at Diamond, and Drs. Simon Brown and Paul Thompson (BM28-XMaS) at ESRF.

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Graphical Abstract

Stabförmige Mesogene (siehe Schema) mit Schwalbenschwanz-artigen Seitenketten ordnen sich axial zu bänderförmigen Bündeln an. Bei hoher Temperatur rotieren die Bänder unter Bildung einer neuartigen hexagonalen 3D-Flüssigkristallphase (siehe Bild, links). Bei niedrigerer Temperatur stoppt die Rotation, und man erhält eine Struktur aus gekreuzten aromatischen und fluorierten Säulen (rechts). Bei weiterer Abkühlung fusionieren die Bänder zu Flächen mit interkalierten fluorierten Säulen.

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Volume123, Issue45

November 4, 2011

Pages 10787-10790

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Two- and Three-Dimensional Liquid-Crystal Phases from Axial Bundles of Rodlike Polyphiles: Segmented Cylinders, Crossed Columns, and Ribbons between Sheets^†

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Two- and Three-Dimensional Liquid-Crystal Phases from Axial Bundles of Rodlike Polyphiles: Segmented Cylinders, Crossed Columns, and Ribbons between Sheets†

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Two- and Three-Dimensional Liquid-Crystal Phases from Axial Bundles of Rodlike Polyphiles: Segmented Cylinders, Crossed Columns, and Ribbons between Sheets^†