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Soft self-assembled sub-5 nm scale chessboard and snub-square tilings with oligo(para-phenyleneethynylene) rods
- Nürnberger, Constance, LuPresent address: College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China., Huanjun, Zeng, Xiangbing, Liu, Feng, Ungar, Goran, Hahn, Harald, Lang, Heinrich, Prehm, Marko, Tschierske, Carsten
- Chemical communications 2019 v.55 no.29 pp. 4154-4157
- cell walls, chemical reactions, glycerol, perfluorocarbons
- X-Shaped bolapolyphiles, comprising a linear polyaromatic core with glycerol groups at each end and two chemically different and incompatible chains, fixed to it at opposite sides, were synthesized and found to self-assemble into honeycomb-type liquid crystalline phases with square symmetry. The polyaromatic π-conjugated rods form the cell walls and the resulting prismatic cells of sub-5 nm size are alternatively filled with perfluorocarbon (RF) and the carbosilane chains (RSᵢ). The resulting structures can be represented as either a two-colour snub-square tiling with triangular and square cells or as a chessboard tiling of squares.