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Liquid Crystalline Networks Composed of Pentagonal, Square, and Triangular Cylinders

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Science  07 Jan 2005:
Vol. 307, Issue 5706, pp. 96-99
DOI: 10.1126/science.1105612

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Abstract

T-shaped molecules are designed in such a way that they self-organize into nanoscale liquid crystalline honeycombs based on polygons with any chosen number of sides. One of the phases reported here is a periodic organization of identical pentagonal cylinders; the other one is a structure composed of square-shaped and triangular cylinders in the ratio 2:1. These two different packing motifs represent duals of the same topological class. The generalization of the concept applied here allows the prediction of a whole range of unusual complex liquid crystalline phases.

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