Directional Clustering of Slanted Nanopillars by Elastocapillarity

Small. 2016 Jul;12(28):3764-9. doi: 10.1002/smll.201600730. Epub 2016 Jun 7.

Abstract

The unidirectional clustering induced by capillary force of drying liquids between pillars is investigated and a theoretical model to set a criterion of the unidirectional clustering of the slanted nanopillars is proposed.

Keywords: adhesion; clustering; directional properties; elastocapillarity; nanopillars.