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Polymer-on-Polymer Stamping on Micro- and Nano-Scales
Published online by Cambridge University Press: 11 February 2011
Abstract
The goal of the project was to determine whether PDAC (poly (diallyldimethylammonium chloride), also abbreviated PDADMAC) could be printed reproducibly to create patterns with a sub-micron resolution. PDAC was stamped onto bare silicon using PDMS stamps having features only about 150 nm wide. A variety of aqueous PDAC inks were tried, to study the effect of concentration and ionic strength on the pattern produced. In order to get good prints, new stamping techniques were also required. A rigid stamping apparatus was built to ensure steady placement, and the stamps were spin coated with a different ink solution to produce thin, even coats of ink. [1] Using these methods, the pattern transferred.
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- Copyright © Materials Research Society 2003
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