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Soft self-assembled sub-5 nm scale chessboard and snub-square tilings with oligo( para -phenyleneethynylene) rods

DOI: 10.1039/C9CC00494G DOI Help

Authors: Constance Nürnberger (Martin Luther University Halle-Wittenberg) , Huanjun Lu (University of Sheffield) , Xiangbing Zeng (University of Sheffield) , Feng Liu (Xi’an Jiaotong University) , Goran Ungar (University of Sheffield) , Harald Hahn (Technische Universität Chemnitz) , Heinrich Lang (Technische Universität Chemnitz) , Marko Prehm (Martin Luther University Halle-Wittenberg) , Carsten Tschierske (Martin Luther University Halle-Wittenberg)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemical Communications , VOL 295

State: Published (Approved)
Published: February 2019

Abstract: 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.

Subject Areas: Chemistry

Instruments: I22-Small angle scattering & Diffraction

Other Facilities: Shanghai Synchrotron Radiation Facility

Added On: 05/03/2019 10:11

Discipline Tags:

Chemistry Organic Chemistry

Technical Tags:

Scattering Small Angle X-ray Scattering (SAXS) Wide Angle X-ray Scattering (WAXS)