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Erschienen in: Journal of Sol-Gel Science and Technology 3/2020

21.08.2020 | Original Paper: Sol–gel and hybrid materials with surface modification for applications

Self-cleaning material based on superhydrophobic coatings through an environmentally friendly sol–gel method

verfasst von: Nurul Pratiwi, Zulhadjri, Syukri Arief, Admi, Diana Vanda Wellia

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 3/2020

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Abstract

Recently, there has been increasing interest in developing artificial superhydrophobic surfaces, especially in the field of self-cleaning application. However, the poor robustness and high-cost preparation of these surfaces have always been some issues for their industrial development. Herein, we describe an environmentally friendly way to prepare stable, robust, and transparent superhydrophobic coatings through the deposition of a rough substructure of TiO2 film followed by chemical modification using octadecyltrichlorosilane (OTS), a fluorine-free organic silane. The as-prepared coatings exhibited a great superhydrophobic property and ultralow adhesion (with a static water contact angle of 158 ± 2° and sliding angle of 4 ± 1°). It was found that the superhydrophobic coatings can still maintain good performance after UV irradiation, chemical immersion, and physical abrasion. More importantly, the coated surfaces showed an excellent self-cleaning ability against dirt particles after rinsed with water droplets.

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Metadaten
Titel
Self-cleaning material based on superhydrophobic coatings through an environmentally friendly sol–gel method
verfasst von
Nurul Pratiwi
Zulhadjri
Syukri Arief
Admi
Diana Vanda Wellia
Publikationsdatum
21.08.2020
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 3/2020
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-020-05389-7

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