Large-Area Preparation of Robust and Transparent Superomniphobic Polymer Films.
Authors of this article are:
Wu Y, Zeng J, Si Y, Chen M, Wu L.
A summary of the article is shown below:
Transparent superamphiphobic surfaces that repel various liquids have many important applications but remain critical challenges in fabrication, such as expensive or complicated fabrication methods, a pair of contradiction between rough surface for superamphiphobicity and smooth surface for transparency, large-area fabrication, etc. Herein, we report a simple and effective strategy for large-scale fabricating robust, transparent and superomniphobic polymer films by the 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 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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