Functional ruthenium(II)- and iridium(III)-containing polymers for potential electro-optical applications

Area of Science:

• Materials Science
• Polymer Chemistry
• Photochemistry

Background:

• Novel luminescent materials with advanced processing capabilities are crucial for emerging technologies.
• Polypyridyl ruthenium(II) and iridium(III)-containing polymers are key candidates, often utilizing 4,4'-functionalized bipyridine ligands.

Purpose of the Study:

• To critically review synthetic strategies for derivatizing 4,4'-dimethyl-2,2'-bipyridine.
• To discuss methods for preparing polymeric metal-complexes for advanced material applications.

Main Methods:

• Highlighting synthetic routes for functionalizing 4,4'-dimethyl-2,2'-bipyridine to enable covalent linkage.
• Describing preparation strategies for polymeric metal-complexes, including small complex attachment and macroligand coordination.

Main Results:

• Demonstrated successful derivatization of bipyridine ligands for polymer integration.
• Developed polymeric metal-complexes exhibiting good processability via spin coating and inkjet printing.

Conclusions:

• The reviewed synthetic strategies provide reliable routes to novel luminescent polymers.
• These materials possess beneficial electro-optical properties suitable for thin functional film applications, particularly light-emitting electrochemical cells.