Reversible Adhesive-Free Nanoscale Adhesion by Utilizing Oppositely Charged Polyelectrolyte Brushes

摘要

Recent nanotechnology based on nanodevices, nanomanipulation, microanalysis systems, and microfluidic control, calls for nanoscale adhesion techniques using a simple, clean, nontoxic, and environmentally benign process. Alternatives to conventional adhesives or glues are bio-based adhesives, such as 3,4-dihydroxyphenyl-L-alanine, micropatterned elastomeric surfaces with pillars inspired by the geckos toe pads. and self-welding based on interdiffusion between miscible polymer/polymer interfaces at temperatures below the bulk-glass transition temperature.