Electronic and Spintronic Open-Shell Macromolecules, Quo Vadis?

Area of Science:

• Macromolecular Chemistry
• Materials Science
• Solid-State Physics

Background:

• Open-shell macromolecules, containing radical sites, exhibit unique redox, optoelectronic, and magnetic properties.
• These polymers are explored for applications in energy storage, electronics, and spintronics.
• Diverse scientific communities have rapidly expanded the library of radical-containing polymers.

Purpose of the Study:

• To review the historical developments and current state-of-the-art of open-shell macromolecules.
• To critically assess the successes and identify open opportunities in the field.
• To provide an outlook on the future trajectory of radical-containing polymers.

Main Methods:

• Historical review of open-shell macromolecule development.
• Critical analysis of structure-property-function relationships.
• Identification of research gaps and future opportunities.

Main Results:

• Significant progress has been made in synthesizing and characterizing open-shell macromolecules.
• Key structure-property-function relationships governing electrochemical, optoelectronic, and spin phenomena are still being elucidated.
• Numerous opportunities exist for advancing the field and material applications.

Conclusions:

• The field of open-shell macromolecules is rapidly advancing with bright future prospects.
• Addressing current knowledge gaps will accelerate the impact of these materials in science and technology.
• Interdisciplinary collaboration is crucial for realizing the full potential of radical-containing polymers.