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Hierarchical Superstructures by Combining Crystallization-Driven and Molecular Self-Assembly

Title data

Frank, Andreas ; Hils, Christian ; Weber, Melina ; Kreger, Klaus ; Schmalz, Holger ; Schmidt, Hans-Werner:
Hierarchical Superstructures by Combining Crystallization-Driven and Molecular Self-Assembly.
In: Angewandte Chemie International Edition. (June 2021) .
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202105787

Project information

Project financing: Deutsche Forschungsgemeinschaft
SFB 840

Abstract in another language

Combining the unique corona structure of worm-like patchy micelles immobilized on a polymer fiber with the molecular self-assembly of 1,3,5-benzenetricarboxamides (BTAs) leads to hierarchical superstructures with a fir-tree-like morphology. For this purpose, worm-like patchy micelles bearing pendant, functional tertiary amino groups in one of the corona patches were prepared by crystallization-driven self-assembly and immobilized on a supporting polystyrene fiber by coaxial electrospinning. The obtained patchy fibers were then immersed in an aqueous solution of a tertiary amino-functionalized BTA to induce patch-mediated molecular self-assembly to well-defined fir-tree-like superstructures upon solvent evaporation. Interestingly, defined superstructures are obtained only if the pendant functional groups in the surface patches match with the peripheral substituents of the BTA, which is attributed to a local increase in BTA concentration at the polymer fibers’ surface.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Research Institutions > Affiliated Institutes > Bavarian Polymer Institute (BPI)
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 24 Jun 2021 12:08
Last Modified: 24 Jun 2021 12:08
URI: https://eref.uni-bayreuth.de/id/eprint/66166