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Coatings
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Plasma Coating and Interface Technology: New Horizons in Surface Science
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Plasma Coating and Interface Technology: New Horizons in Surface Science

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Plasma Coatings, Surfaces & Interfaces".

Deadline for manuscript submissions: 31 August 2025 | Viewed by 838

Special Issue Editors

Prof. Dr. Qiang Chen

E-Mail Website
Guest Editor
Laboratory of Plasma Physics and Materials, Beijing Institute of Graphic Communication, Beijing, China
Interests: plasma source; plasma diagnostic; plasma surface engineering
Prof. Dr. Haibao Zhang

E-Mail Website
Guest Editor
Laboratory of Plasma Physics and Materials, Beijing Institute of Graphic Communication, Beijing, China
Interests: plasma diagnostic; plasma catalysis; plasma surface engineering

Special Issue Information

Dear Colleagues,

Plasma coating technology, involving physics, chemistry, materials, surface science, and other disciplines, is an important approach for depositing functional coatings. Coatings fabricated by plasma have many advantages, e.g., super-hardness, wear resistance, optoelectronic properties, and can be used in a variety of fields, including aerospace, microelectronics, biomedicine, etc. Recently, new research on plasma coating technology has made significant progress in process design and material property.

We are pleased to invite you to contribute to this Special Issue, which aims to highlight the latest advancements and breakthroughs in coatings based on plasma techniques. The scope includes experimental research, theoretical studies, and reviews on topics that involved plasma enhanced physical vapor deposition (PEPVD), plasma enhanced chemical vapor deposition (PECVD), plasma-assisted atomic layer deposition (PAALD), plasma electrolytic oxidation, plasma spraying, magnetron sputtering, models and simulations relevant to the plasma process, etc. We are particularly interested in contributions that focus on novel processes, process optimization, mechanism understanding, and new commercial and industrial applications enabled by plasma coating.

In this Special Issue, original research articles and reviews are welcome. Research areas on the plasma coatings may include (but are not limited to) the following: metallic, inorganic, organic, and composite coatings, which are of the properties in the range of friction performance, wear resistance, corrosion resistance, diffusion resistance, thermal protection, hydrophilicity/hydrophobicity, optoelectronic properties and enhanced multifunctional performance for energy, and environmental and medical applications. Papers discussing interdisciplinary approaches, such as combining plasma with other novel technology, are highly encouraged. Submissions that provide insights into the scaling-up of plasma processes for industrial applications or discuss emerging applications in areas such as smart devices, sustainable energy, and environmental remediation will be given special consideration.

We look forward to receiving your contributions.

Prof. Dr. Qiang Chen
Prof. Dr. Haibao Zhang
Guest Editors

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

  • plasma
  • vacuum
  • deposition technique
  • coating
  • thin films
  • surface and interface
  • application

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

Published Papers (2 papers)

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Research

19 pages, 1343 KiB  
Article
Two-Step Plasma Electrolytic Oxidation of Advanced High-Strength Steel in Aluminate and Silicate Solutions
by Roy Morgenstern, Thomas Mehner and Thomas Lampke
Coatings 2025, 15(7), 850; https://doi.org/10.3390/coatings15070850 (registering DOI) - 19 Jul 2025
Abstract
This work aims to clarify whether the individual advantages of the two commonly used silicate- and aluminate-based electrolytes for the plasma electrolytic oxidation (PEO) of steel can be combined in a two-step process. The first PEO step was carried out in an aluminate–phosphate [...] Read more.
This work aims to clarify whether the individual advantages of the two commonly used silicate- and aluminate-based electrolytes for the plasma electrolytic oxidation (PEO) of steel can be combined in a two-step process. The first PEO step was carried out in an aluminate–phosphate electrolyte with pulsed voltage and anodic amplitudes between 150 V and 200 V. The second PEO step was carried out at an increased anodic voltage amplitude of 400 V in a silicate–phosphate electrolyte. As a reference, PEO was conducted in a single step in the same silicate–phosphate electrolyte at an increased anodic voltage amplitude of up to 400 V. The microstructural layer analysis was carried out using SEM and EDX analyses, Raman spectroscopy and XRD analysis. Heterogeneous layers containing iron oxide and iron phosphate form in the silicate–phosphate electrolyte at anodic voltage amplitudes up to 300 V by electrochemical reactions. Further increasing the anodic voltage amplitude up to 400 V results in heterogeneous layers, too. PEO in the aluminate–phosphate electrolyte at 150 V causes the formation of thin, amorphous layers mainly consisting of aluminum and iron oxides. At 200 V amplitude, a PEO layer with pronounced open porosity is formed, which primarily consists of the crystalline phases corundum and hercynite. During subsequent PEO in the silicate–phosphate electrolyte, the previously formed layers were replaced by a macroscopically homogeneous layer that is mostly nanocrystalline and may contain amorphous iron(-aluminum) phosphates and oxides as well as silicon oxide. It can be concluded that the two-step PEO process is suitable for the production of more homogeneous PEO layers. Full article
(This article belongs to the Special Issue Plasma Coating and Interface Technology: New Horizons in Surface Science)
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17 pages, 4655 KiB  
Article
Modification of Polyurethane/Graphene Oxide with Dielectric Barrier Plasma Treatment for Proper Coating Adhesion on Fiberglass
by Oscar Xosocotla, Bernardo Campillo, Horacio Martínez, María del Pilar Rodríguez-Rojas, Rafael Campos and Victoria Bustos-Terrones
Coatings 2025, 15(4), 411; https://doi.org/10.3390/coatings15040411 - 30 Mar 2025
Viewed by 571
Abstract
Wind turbine blades are made from fiberglass, whose faces are eroded due to environmental conditions. Polyurethane (PU) coatings are broadly used in several types of coatings due to their strong adhesion. However, their inferior mechanical properties limit their application on fiberglass. In this [...] Read more.
Wind turbine blades are made from fiberglass, whose faces are eroded due to environmental conditions. Polyurethane (PU) coatings are broadly used in several types of coatings due to their strong adhesion. However, their inferior mechanical properties limit their application on fiberglass. In this study, graphene oxide (GO) was modified through a dielectric barrier plasma (DBP) treatment at atmospheric pressure to improve the dispersion of GO in PU and increase its adhesion to fiberglass (GF) substrates, resulting in excellent adhesion properties of the PU/GO coating on fiberglass. Additionally, PU/GO coatings are crucial for preventing and protecting against erosion. The results obtained for the intensity ratio of the ID/IG peaks observed through Raman spectroscopy exhibited that the plasma treatment increased the defects in the GO structure through covalent and non-covalent interactions with the PU. Contact angle tests and surface free energy measurements indicated the deoxygenation of the GO structure, enhancing its dispersion in the PU matrix, as observed through XRD. The plasma treatment increased the PU/GO adhesion by 27.6% after 10 min of treatment, suggesting that more defects in the GO structure were correlated with greater adhesion strength. Full article
(This article belongs to the Special Issue Plasma Coating and Interface Technology: New Horizons in Surface Science)
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