Fabrication of Functional Polymer Structures through Bottom-up Selective Vapor Deposition from Bottom-up Conductive Templates.
LANGMUIR(2018)
Abstract
An electrically induced bottom-up process was introduced for the fabrication of multifunctional nanostructures of polymers. Without requiring complicated photolithography or printing techniques, the fabrication process first produced a conducting template by colloidal lithography to create an interconnected conduction pathway. By supplying an electrical charge to the conducting network, the conducting areas were enabled with a highly energized surface that generally deactivated the adsorbed reactive species and inhibited the vapor deposition of poly-p-xylylene polymers. However, the template allowed the deposition of ordered poly-p-xylylene nanostructures only on the confined and negative areas of the conducting template, in a relatively large centimeter-scale production. The wide selection of functionality and multifunctional capability of poly-p-xylylenes naturally rendered the synergistic and orthogonal chemical reactivity of the resulting nanostructures. With only a few steps, the construction of a nanometer topology with the functionalization of multiple chemical conducts can be achieved, and the selected deposition process represents a state-of-the-art nanostructure fabrication in a simple and versatile approach from the bottom up.
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Key words
Conductance Switching,Layer-by-Layer Assembly,Polymer Stamps,Dip-Pen Nanolithography,Antifouling Coatings
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