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Coatings
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Superhydrophobic Surfaces and Coatings
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Superhydrophobic Surfaces and Coatings

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 2382

Special Issue Editor

Dr. Marcella Balordi

E-Mail Website
Guest Editor
Materials and Generation Technologies Department, RSE, Ricerca sul Sistema Energetico, Via Callegari 21, 29122 Piacenza, Italy
Interests: surface engineering; coatings; material science; nanomaterials; superhydrophobicity; icephobicity

Special Issue Information

Dear Colleagues,

We would like to invite you to submit your research to the Special Issue “Superhydrophobic Surfaces and Coatings”. In recent years, superhydrophobic materials have garnered growing interest. Indeed, owing to their remarkable properties such as self-cleaning, anti-corrosion, and anti-icing, they are of great interest for application across various industrial fields, ranging from energy supply to medicine. While superhydrophobics present many advantages, they face some applicability issues such as durability, reliability, and potential environmental hazards. The aim of this Special Issue is to explore the development, characterisation, and performance assessment of novel superhydrophobic coatings and surfaces as well as their applications.

In general, the topics will include, but will not be limited to, the following aspects:

  • Synthetic pathways;
  • Surface characterisation techniques;
  • Theoretical and computational modelling of surface properties;
  • Durability and reliability assessment;
  • Applications (such as self-cleaning, anti-corrosion, anti-fogging, anti-icing, and anti-bacteria).

The non-exhaustive list of industrial fields is as follows:

  • Aerospace, automotive, marine;
  • Construction and power line equipment;
  • Textiles;
  • Cultural heritage protection;
  • Electronics;
  • Medicine;
  • Packaging;
  • Oil and gas industry.

We look forward to receiving your contributions.

Dr. Marcella Balordi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • superhydrophobic coatings and surfaces
  • synthesis and surface characterisation
  • contact angle measurements
  • theoretical and computational modelling

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

15 pages, 9452 KiB  
Article
Preparation of Robust Superhydrophobic Coatings Using Hydrophobic and Tough Micro/Nano Particles
by Tianyi Feng, Yifan Liu, Siyan Ye, Liping Sheng, Binrui Wu and Lingcai Huang
Coatings 2024, 14(9), 1156; https://doi.org/10.3390/coatings14091156 - 8 Sep 2024
Viewed by 1154
Abstract
Superhydrophobic nanocomposite coatings, prepared using adhesive and fillers, offer advantages including ease of fabrication and suitability for large-scale applications, but compared with other types of artificial superhydrophobic surfaces, poor durability still limits these surfaces from practical applications. The utilization of micro/nanoscale particles with [...] Read more.
Superhydrophobic nanocomposite coatings, prepared using adhesive and fillers, offer advantages including ease of fabrication and suitability for large-scale applications, but compared with other types of artificial superhydrophobic surfaces, poor durability still limits these surfaces from practical applications. The utilization of micro/nanoscale particles with both intrinsic hydrophobicity and robust mechanical properties to prepare coatings should significantly contribute to enhanced durability. Herein, rough and hydrophobic particles with micro/nano hierarchical structures were prepared at first, and robust superhydrophobic surfaces were fabricated using the prepared particles and additional nanoparticles. The initially prepared particles formed a rough framework of the coating, while additional nanoparticles provided inevitable nanoscale structures. A series of mechanical tests were carried out to validate the durability, and the surface with 20 wt.% NPs exhibited the best performance, withstanding 30 tape peeling tests, a 2.47 m sandpaper rubbing test (at a pressure of 5 kPa), the impact of 200 g of grit dropped from a height of 20 cm, and a 2 h acidic immersion. These appealing materials may attract attention for self-cleaning, high-speed water impact resistance, anti-icing, and anti-fouling applications in the coatings industry. Full article
(This article belongs to the Special Issue Superhydrophobic Surfaces and Coatings)
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13 pages, 16331 KiB  
Article
Ice Distribution Characteristics on the DU25 and NACA63-215 Airfoil Surfaces of Wind Turbines as Affected by Ambient Temperature and Angle of Attack
by Zhi Xu, Peiyao Na, Ting Zhang and Zixin Wang
Coatings 2024, 14(8), 929; https://doi.org/10.3390/coatings14080929 - 25 Jul 2024
Viewed by 934
Abstract
Icing on wind turbines reduces power generation efficiency and leads to safety issues. Consequently, in this paper, ice distribution characteristics on DU25 and NACA63-215 airfoils at ambient temperatures and angles of attack are explored VIA numerical simulation. The findings indicate that when the [...] Read more.
Icing on wind turbines reduces power generation efficiency and leads to safety issues. Consequently, in this paper, ice distribution characteristics on DU25 and NACA63-215 airfoils at ambient temperatures and angles of attack are explored VIA numerical simulation. The findings indicate that when the ambient temperature changes in the range of 248–268 K, the ice distribution range on the upper surface of the DU25 airfoil (0–3.07 mm) is wider than that of the NACA63-215 airfoil (0–1.91 mm), while the ice distribution range on the lower surface of the DU25 airfoil (0–12.13 mm) is narrower than that of the NACA63-215 airfoil (0–15.18 mm) due to the discrepancy in droplet collection efficiency and droplet freezing rate caused by airfoil structure and ambient temperature, respectively. At an angle of attack of 0°, the ice distribution range on the upper surface of the DU25 airfoil is almost the same as that of the NACA63-215 airfoil. At an angle of attack of 8°, the ice distribution range on the upper surface of the DU25 airfoil (0–1.05 mm) is broader than that of the NACA63-215 airfoil (0–0.675 mm), whereas the ice distribution range on the lower surface of the DU25 airfoil (0–17 mm) is narrower than that of the NACA63-215 airfoil (0–20 mm) due to the discrepancy in droplet collection efficiency caused by droplet flow trajectory. The angle of attack has a much greater effect on the peak ice thickness than ambient temperature. This study will provide guidance for the anti-icing coating design of wind turbine blades. Full article
(This article belongs to the Special Issue Superhydrophobic Surfaces and Coatings)
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