Issue 39, 2017

Extreme tuning of wetting on 1D nanostructures: from a superhydrophilic to a perfect hydrophobic surface

Abstract

The tuning of wetting over an extreme range, from superhydrophilic to superhydrophobic, was demonstrated on 1D Al/Al2O3 nanostructures. While chaotic and tangled 1D Al/Al2O3 nanostructures exhibited complete wetting, they became water repellent (with a water contact angle (CA) ≥173°) after the infiltration of poly[bis(2,2,2-trifluoroethoxy)phosphazene] (PTFEP) solution. This simple strategy allows the achievement of two extreme wetting regimes, perfect wetting and non-wetting, without altering the nanostructured surface topography. The same surface was also found to exhibit repellency towards artificial blood and hexadecane.

Graphical abstract: Extreme tuning of wetting on 1D nanostructures: from a superhydrophilic to a perfect hydrophobic surface

Supplementary files

Article information

Article type
Communication
Submitted
21 Jul 2017
Accepted
19 Sep 2017
First published
20 Sep 2017

Nanoscale, 2017,9, 14814-14819

Extreme tuning of wetting on 1D nanostructures: from a superhydrophilic to a perfect hydrophobic surface

A. A. Ali, A. Haidar, O. Polonskyi, F. Faupel, H. Abdul-Khaliq, M. Veith and O. C. Aktas, Nanoscale, 2017, 9, 14814 DOI: 10.1039/C7NR05336C

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