PerspectiveMaterials Science

Surface nanopatterning with polymer brushes

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Science  29 Nov 2019:
Vol. 366, Issue 6469, pp. 1078-1079
DOI: 10.1126/science.aay8350

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Summary

Rational design of patterned surfaces over multiple length scales can be achieved through chemical strategies for fine-tuning the composition and chemical functionality. For example, “grafting-from” methods can tailor the surface properties by using polymer brushes—thin polymer films in which polymer backbones are tethered to a solid interface by one chain end (1). Chemical strategies can pattern surfaces at molecular and macromolecular levels, but precise fabrication of nanopatterned surfaces that bear selected chemical functionalities is still challenging. On page 1095 of this issue, Cai et al. (2) present a versatile bottom-up strategy to fabricate well-defined nanostructures with precisely controlled chemical functionalities on a variety of surfaces.

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