Functional and versatile superhydrophobic coatings via stoichiometric silanization

Lishen Zhang, Alvin G. Zhou, Brigitta R. Sun, Kennedy S. Chen and Hua-Zhong Yu ()
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Lishen Zhang: Simon Fraser University
Alvin G. Zhou: Simon Fraser University
Brigitta R. Sun: Simon Fraser University
Kennedy S. Chen: Simon Fraser University
Hua-Zhong Yu: Simon Fraser University

Nature Communications, 2021, vol. 12, issue 1, 1-7

Abstract: Abstract Superhydrophobic coatings have tremendous potential for applications in different fields and have been achieved commonly by increasing nanoscale roughness and lowering surface tension. Limited by the availability of either ideal nano-structural templates or simple fabrication procedures, the search of superhydrophobic coatings that are easy to manufacture and are robust in real-life applications remains challenging for both academia and industry. Herein, we report an unconventional protocol based on a single-step, stoichiometrically controlled reaction of long-chain organosilanes with water, which creates micro- to nano-scale hierarchical siloxane aggregates dispersible in industrial solvents (as the coating mixture). Excellent superhydrophobicity (ultrahigh water contact angle >170° and ultralow sliding angle

Date: 2021
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DOI: 10.1038/s41467-021-21219-y

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