Journal
ACS NANO
Volume 12, Issue 10, Pages 10338-10346Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.8b05600
Keywords
transparent; superamphiphobic; liquid-repellent; re-entrant geometries; durability
Categories
Funding
- National Key Research and Development Program of China [2017YFA0204600]
- National Natural Science Foundation of China [51721002, 51673045]
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Transparent superamphiphobic surfaces that repel various liquids have many important applications, but there are critical challenges in their fabrication, such as expensive or complicated fabrication methods, contradictions between the rough surface for superamphiphobicity and smooth surface for transparency, large-area fabrication, etc. Herein, we report a simple and effective strategy for large-scale fabrication of robust, transparent, and superomniphobic polymer films by combined unidirectional rubbing and heating-assisted assembly technology. The obtained polymer films display two kinds of special structures of monolayer ordered re-entrant geometries with either hexagonally triangular protrusions or with hexagonally rectangular micropillars, depending upon the sphere diameters of silica templates, and demonstrate excellent repellence to water and low-surface-tension liquids, as well as high transparency.
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