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Single and bilayer submicron arrays of fluorescent polymer on conducting polymer surface with surface energy controlled dewetting
Article in journal
Xiangjun Wang, Kristofer Tvingstedt, Olle Inganäs
Publication Year
Nanotechnology, 2005, (16), 437-443
Link to Source (DOI)
<p>Construction of luminescent single- and bilayer polymer arrays in micron and submicron scales through dewetting on a heterogeneous conducting polymer surface is demonstrated. We study the influence of the pattern geometry and film thickness of polymer dewetting upon annealing, and the morphology of created polymer arrays on the heterogeneous surface. The materials used for patterning are an insulating poly(methyl methacrylate) (PMMA) or a conjugated fluorescent polymer, poly(dioctylphenylthiophene) (PDOPT). The substrate used is the conducting polymer poly(3,4-ethylenedioxythiophene)–poly(styrenesulfonate) (PEDOT–PSS), with modified heterogeneous surface energy obtained by application of a bare polydimethylsiloxane (PDMS) stamp.</p>