Supramolecular polymerization and self-assembly of transition metal complexes

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Stühler, Merlin R. ; Plajer, Alex:
Supramolecular polymerization and self-assembly of transition metal complexes.
In: Polymer Chemistry. Bd. 16 (2025) Heft 24 . - S. 2799-2810.
ISSN 1759-9962
DOI: https://doi.org/10.1039/D5PY00315F

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Abstract

Metallo-supramolecular polymers (MSPs) have emerged as a dynamic field in soft materials and nanomaterials over the past three decades. The unique interplay of ligands and metal ions plays a crucial role in defining their properties, such as binding strength and topology, making these systems distinct from their all-organic counterparts. Furthermore, the incorporation of metal centers introduces redox activity, unique photophysical properties, and electronic functionality. As a result, these systems can exhibit stimuli-responsive behavior, essential for applications in optoelectronics and biology. However, challenges remain in achieving precise control over self-assembly, morphology, and spatiotemporal responsiveness, as well as a clear rationale between coordination and self-assembly behavior. Our review, therefore, summarizes recent advances in ligand design, coordination modulation, and polymerization techniques, offering new strategies to rationally develop MSPs with tailored functionalities.