An approach for the fabrication of functional polymer surface coatings is introduced, where micro-scale
structure and surface functionality are obtained by means of self-assembly mechanisms. We illustrate
two main applications of micro-patterned polymer surfaces obtained through dewetting of bilayers of
thin polymer films. By tuning the physical and chemical properties of the polymer bilayers, micropatterned
surface coatings could be produced that have applications both for the selective attachment
and patterning of proteins and cells, with potential applications as biomaterials, and for the collection
of water from the atmosphere. In all cases, the aim is to achieve functional coatings using approaches that
are simple to realize, use low cost materials and are potentially scalable.