Metallo-organic Conjugated Systems for Organic Electronics

Polymer/organic optoelectronic devices have been the center of attention for the last two decades for both the academic and industrial research communities, due to their potential as a a low‐cost, large‐area, solution‐processable technology alternative to their conventional, inorganic counterparts. There are several issues, such as the lower efficiencies, lower stabilities, and higher resistances of organic/polymer‐based optoelectronic devices. To address these obstacles, significant research activity has been devoted to π‐conjugated organics. One of the approaches includes the incorporation of metal complexes in the main conjugation or as a pendant substitution on that. Metallo‐organic compounds with transition row elements have been extensively studied in organic electronics due to the easy tunability of their electronic properties, amenable redox matching, and the extended life‐time of the triplet state. This has successfully resulted in some high performance electronic devices containing metallo‐organic π‐conjugated small molecules and polymers. Herein, we review the recent advances made in metallo‐organic materials (small molecules and polymers) for organic electronics.