Polymer Brushes in Nanoelectronics: Nanotribology Insights from Fundamentals to Cutting-Edge Applications

Polymer brushes have gained significant attention in nanoelectronics due to their capability in surface modifications, interfacial physicochemical properties control, nanoscale patterning, and unique dielectric properties. The past few decades have witnessed significant progress made in this field, including the emergence of new concepts in synthetic strategy and molecular structure design and the latest attempts in nanoelectronics. Looking ahead, polymer brushes will continuously play roles in brain-computer interfaces, miniaturization in AI hardware, and next-generation flexible electronics. This Mini-Review summarizes and comments on recent developments and applications of polymer brushes in nanoelectronics, with particular emphasis on their interfacial frictional properties from a nanotribological perspective, which will be helpful for bridging interdisciplinary knowledge, refining existing techniques, and uncovering new applications.