Polymer-on-polymer stamping on micro- and nanoscales

摘要

Micro-contact printing is a relatively new technique that offers the possibility for simple and inexpensive reproductions of micro-scale patterns. Pioneered by the Whitesides group, [1] micro-contact printing uses a rubber stamp to directly transfer a chemical "ink" onto a surface. Thiols are popular inks, when stamping onto a gold substrate. [1-5] Silanes have been used to pattern on silicon. [6] Palladium colloids[7], proteins[8], and a variety of polymers (ex. polystyrene[9], poly(ethylene oxide)[9], and EO-MAL[10]) have all been used as inks.