Metallopolymers consisting of semiconducting polymers have been designed to combine the optoelectronic and processing properties of the polymeric component with the tunable optical, redox, and catalytic properties of the metal center. These types of metallopolymers can be used in sensing, switching, or memory devices as well as in solar photovoltaics/catalysis. By using Grignard Metathesis (GRIM) polymerization, we have synthesized ligand-functionalized poly(3-hexylthiophene) derivatives where the ligands are multidentate polypyridyl species. The introduction of ligand functionalization on the polymer is to enable the formation of different supramolecular structures by metal complexation. Heteroleptic complexes formed by metal coordination to different ligand-functionalized polymers/biopolymers result in integrated assemblies featuring multiple components such as a primary semiconducting polymer, metal center, ligand units, and a secondary (bio)polymer. These polymer assemblies with increased supramolecular complexity can integrate the characteristic properties of each individual component. The coordination-based �plug and play� nature of this approach allows for the facile synthesis of libraries of metallopolymer assemblies with tunable functionalities.

Ligand-functionalized semiconducting polymers � towards integrated metallopolymer assemblies

248th National Meeting (2014)

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