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Flexibility and Dynamicity Enhances and Controls Supramolecular Self-Assembly of Zinc(II) Metallogels

Title data

Stühler, Merlin R. ; Makki, Hesam ; Silbernagl, Dorothee ; Dimde, Mathias ; Ludwig, Kai ; Tegner, Bengt E. ; Greve, Christopher ; Rausch, Konstantin ; Herzig, Eva M. ; Köhler, Anna ; Plajer, Alex:
Flexibility and Dynamicity Enhances and Controls Supramolecular Self-Assembly of Zinc(II) Metallogels.
In: Advanced Functional Materials. (2025) . - 2507793.
ISSN 1616-3028
DOI: https://doi.org/10.1002/adfm.202507793

Official URL: Volltext

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Supramolecular self-assembly of stacked architectures is typically achieved through hydrogen bonding or π–π interactions between monomers constructed from stable and inert bonds. In contrast, coordinative interactions of early metals promise distinct self-assembly behaviour due to more flexible bonding geometries and a wider range of stabilities and exchange kinetics. In this report we demonstrate that tailoring the flexible coordination sphere of Zinc(II) complexes via subtle ligand modification promotes not only one but also three-dimensional self-assembly both thermodynamically and kinetically into higher-order fibrous morphologies, the latter being elucidated by electron tomography. As a result, coordination chemistry can be translated into both nanoscopic (fibre stiffness) and macroscopic (thermal gel stability) material properties. Utilizing dynamicity enables gelation via subcomponent self-assembly, constructing the supramolecular polymer network simultaneously with the monomer. Furthermore, coordinative dis- and reassembly via metal-ligand exchange reactions involving the first and second coordination spheres allows for control over gelation and emission of the system. Our report links concepts in supramolecular self-assembly and coordination chemistry by leveraging the unique bonding interactions that cannot be achieved for traditional monomers, promising applications in stimuli-responsive optoelectronics.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: DFT calculations; self-assembly; supramolecular polymerisation
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics II - Optoelectronics of Soft Matter
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics II - Optoelectronics of Soft Matter > Chair Experimental Physics II - Optoelectronics of Soft Matter - Univ.-Prof. Dr. Anna Köhler
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Professor Experimental Physics VII - Dynamics and Structure Formation
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Professor Experimental Physics VII - Dynamics and Structure Formation > Professor Experimental Physics VII - Dynamics and Structure Formation - Univ.-Prof. Dr. Eva M. Herzig
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Junior Professor Polymers for Electrooptical and Sensory Applications > Junior Professor Polymers for Electrooptical and Sensory Applications - Juniorprof. Dr. Alex Johannes Plajer
Research Institutions > Affiliated Institutes > Bavarian Polymer Institute (BPI)
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 11 Jun 2025 07:40
Last Modified: 11 Jun 2025 07:40
URI: https://eref.uni-bayreuth.de/id/eprint/93912