Water-Assisted Formation of Micrometer-Size Honeycomb Patterns of Polymers
Langmuir2000Vol. 16(15), pp. 6071–6076
Citations Over TimeTop 10% of 2000 papers
Olaf Karthaus, Norihiko Maruyama, X. Cieren, Masatsugu Shimomura, Hirokazu Hasegawa, Takeji Hashimoto
Abstract
Micropatterned thin films have received increased interest in the past few years. Besides preparation by conventional lithography, self-assembly of materials around a template can be used for patterning. Recently a method that utilizes the condensation of micrometer-size water droplets on solutions of block copolymers was reported for the preparation of ordered micrometer-size honeycomb structures. Here we show that the formation of honeycomb-like porous films is a general method that can be used for patterning many materials, e.g., block copolymers, amphiphilic polyion complexes, organic/inorganic hybrids, and homopolymers, such as polystyrene. Stabilization of water droplets is indispensable for regular pattern formation.
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