Nano-Coating: Design, Fabrication and Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "D:Materials and Processing".

Deadline for manuscript submissions: closed (25 November 2023) | Viewed by 5586

Special Issue Editor


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Guest Editor
Nanomechatronics Lab, Kookmin University, Songbuk-gu 136, Seoul, Republic of Korea
Interests: surface coating; micro-/nanomaterials; surface wettability; anti-icing; corrosion resistance; multifunctional coating materials; superhydrophobic/hydrophilic surfaces; bio-inspired coating

Special Issue Information

Dear Colleagues,

Coatings can be defined as the application of one material onto another, which is usually known as the substrate, to protect it from degradation due to a changing environment. They act as an interface between the substrate and the environment. Coatings help in enhancing the life of materials by improving various properties such as porosity, bond strength, residual stress, impact resistance, elevated temperature, and erosion.

Nano-coating is a form of a coating that is often applied to a surface utilizing nanotechnology at the nanoscale level (between 1 and 1000 nm). Nano-coatings are designed to provide a range of benefits, such as improving the durability, corrosion resistance, and wear resistance of a surface, as well as providing unique optical, electrical, or mechanical properties. Nano-coatings are mainly prepared using two methods: the vapor phase method and the liquid phase method. The vapor phase method includes chemical vapor deposition, laser ablation, vapor condensation, plasma arc, and flame synthesis. The liquid phase method includes sol–gel, precipitation, electrolysis, microemulsion, and hydrothermal processes. These techniques allow for the precise control of the thickness and composition of the nano-coating, as well as the ability to alter the surface properties to specific applications.

Designing nano-coating involves careful consideration of the material selection, deposition technique, surface preparation, coating thickness, characterization, and performance testing. These factors have a significant impact on the performance and durability of the coating, and careful consideration should be applied to ensure that it meets the desired specifications for its intended application. Nano-coatings are applied to a wide range of surfaces, including metals, plastics, ceramics, and textiles. These coatings are used in many different industries and sectors, including electronics, aerospace, automotive, healthcare, and consumer goods, as potential applications such as anti-corrosion, anti-wear, superhydrophobic, self-cleaning, scratch resistance, antireflective, flame retardant, antifouling/antibacterial area, anti-fingerprint coatings, and electronics.

The goal of this Special Issue on "Nano-coating: Design, Fabrication, and Applications" is to highlight recent advances and developments in the preparation of scalable and durable nano-coatings with exciting potential applications. In this Special Issue, original research articles and reviews are welcome. Potential research topics may include (but are not limited to) the following:

  • Nano-coating;
  • Micro/nanostructures;
  • Nanomaterials;
  • Self-cleaning coatings;
  • Nanocomposite coatings;
  • Bio-inspired coatings;
  • Superhydrophobic coatings;
  • Mechanical durable and chemical stable coatings;
  • Applications of nano-coatings;
  • Flame-retardant coatings;
  • Corrosion-resistant coatings;
  • Nanomedicines;
  • Anti-fouling;
  • Anti-bacterial;
  • Energy materials.

Dr. Sumit Barthwal
Guest Editor

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Keywords

  • nano-coating
  • nanomaterial
  • durable
  • micro/nanostructures
  • superhydrophobic
  • energy materials
  • corrosion resistance
  • anti-bacterial
  • biomedical devices
  • self-cleaning

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Published Papers (2 papers)

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Research

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11 pages, 5072 KiB  
Article
Impact of Deposition Power and Gas Flow Ratio on the Tribological Properties of Titanium Vanadium Nitride Thin Films
by Kamlesh V. Chauhan, Sushant Rawal, Nicky P. Patel and Dattatraya G. Subhedar
Micromachines 2023, 14(9), 1788; https://doi.org/10.3390/mi14091788 - 19 Sep 2023
Cited by 1 | Viewed by 944
Abstract
Magnetron sputtering was used for producing titanium vanadium nitride (TiVN) coatings on brass substrates. In this research, we investigate how changing the sputtering power and nitrogen:argon (N2:Ar) gas ratio affects the structural and tribological properties of TiVN coatings. A scanning electron [...] Read more.
Magnetron sputtering was used for producing titanium vanadium nitride (TiVN) coatings on brass substrates. In this research, we investigate how changing the sputtering power and nitrogen:argon (N2:Ar) gas ratio affects the structural and tribological properties of TiVN coatings. A scanning electron microscope (SEM) was used to examine TiVN coating surface morphology. Both variants showed a gradual increase in the intensity of the TiVN coatings’ (111) and (222) peaks. The TiVN coatings’ tribological properties were examined using a pin-on-disc tribometer with varying loads, speeds, and sliding distances. The wear rates of TiVN-coated brass pins were in the range of 2.5 × 10−4 to 9.14 × 10−4 mm3/Nm depending on load, sliding distance, and gas ratio variation, when compared to the wear rates of TiVN-coated brass pins deposited at various powers, which ranged from 1.76 × 10−3 to 5.87 × 10−3 mm3/Nm. Full article
(This article belongs to the Special Issue Nano-Coating: Design, Fabrication and Applications)
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Review

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34 pages, 1813 KiB  
Review
Engineered Nanomaterial Coatings for Food Packaging: Design, Manufacturing, Regulatory, and Sustainability Implications
by Oluwafemi Olawore, Motunrayo Ogunmola and Salil Desai
Micromachines 2024, 15(2), 245; https://doi.org/10.3390/mi15020245 - 6 Feb 2024
Cited by 5 | Viewed by 4204
Abstract
The food industry is one of the most regulated businesses in the world and follows strict internal and regulated requirements to ensure product reliability and safety. In particular, the industry must ensure that biological, chemical, and physical hazards are controlled from the production [...] Read more.
The food industry is one of the most regulated businesses in the world and follows strict internal and regulated requirements to ensure product reliability and safety. In particular, the industry must ensure that biological, chemical, and physical hazards are controlled from the production and distribution of raw materials to the consumption of the finished product. In the United States, the FDA regulates the efficacy and safety of food ingredients and packaging. Traditional packaging materials such as paper, aluminum, plastic, and biodegradable compostable materials have gradually evolved. Coatings made with nanotechnology promise to radically improve the performance of food packaging materials, as their excellent properties improve the appearance, taste, texture, and shelf life of food. This review article highlights the role of nanomaterials in designing and manufacturing anti-fouling and antimicrobial coatings for the food packaging industry. The use of nanotechnology coatings as protective films and sensors to indicate food quality levels is discussed. In addition, their assessment of regulatory and environmental sustainability is developed. This review provides a comprehensive perspective on nanotechnology coatings that can ensure high-quality nutrition at all stages of the food chain, including food packaging systems for humanitarian purposes. Full article
(This article belongs to the Special Issue Nano-Coating: Design, Fabrication and Applications)
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