Our news journalists obtained a quote from the research, "The adhesion-driven deformation is attributed to a local shear of the step regions in order to adjust the surface relief structures to the flat substrate geometry. Further, the polystyrene sheet at the film-substrate interface exhibits a heterogeneous phase structure which we assign to a partial autophobic dewetting. Stepwise erosion and reconstruction of the inner structure of the film disclosed a precise connection of the alternating wetting conditions at the substrate with the surface topography of the top layer."
According to the news editors, the research concluded: "Apart from unveiling an adaptive mechanical behavior of nanostructured polymer films under confinement, observations reported here can be used for designing superimposed topographic structures by controlling the wetting at the substrate as well as allowing better prediction of possible mechanisms of structure formation and pattern transfer on chemically patterned surfaces."
For more information on this research see:
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Keywords for this news article include: Aachen,
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