Special Issue "ALD Technique for Functional Coatings of Nanostructured Materials"

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: 30 November 2020.

Special Issue Editors

Prof. Dr. Victor M. Prida
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Guest Editor
Physics Department, Faculty of Sciences, University of Oviedo, E-33007 Oviedo, Spain
Interests: Magnetic properties of amorphous, nano-crystalline and nanostructured materials; Heusler alloys; synthesis of nanoporous materials by electrochemical etching; magnetic nanowires and nanotubes; magneto-transport -and-electric effects; magnetocaloric and thermoelectric effects; magneto-optical sensing and biosensing; surface coatings for healthcare and nanobiomedical applications; microfluidic lab-on-a-chip systems; photo-catalysis; energy recovery, conversion and storage; supercapacitors; energy harvesting and wastewater
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Dr. Víctor Vega Martínez
Website
Guest Editor
Physics Department, Faculty of Sciences, University of Oviedo,E-33007 Oviedo, Spain
Interests: Nanoporous materials; electrochemical anodization and deposition techniques; self-assembly and self-ordered nanostructured materials; atomic layer deposition; magnetic nanowires and nanotubes; supercapacitors and energy storage devices; magneto-optical sensing and biosensing; electron microscopy and x-ray microanalysis.
Dr. Javier García Fernández
Website
Guest Editor
Physics Department, Faculty of Sciences, University of Oviedo,E-33007 Oviedo, Spain
Interests: Thermoelectric materials and devices. Thermoelectric generators for waste heat recovery applications. Micro-thermoelectric coolers for thermal management of photonic integrated circuits and biosensing. Nanomagnetism and magnetic characterization of self-ordered nanowires and nanotubes arrays. Magnetic and electrical transport properties of single nanostructures. Design of mixed fabrication processes combining electrochemistry, photolithography and atomic layer deposition techniques

Special Issue Information

Dear Colleagues,

The conformability and thickness control of thin layers achieved using the atomic layer deposition (ALD) technique have driven the development of new material structures as well as novel devices that are more efficient in many research fields such as magnetism, photonics or biochemistry, among others. The research is still focusing on the development of novel materials and their growth mechanisms, and designing new precursors and deposition approaches. Moreover, the implementation of such techniques in combination with existing technologies will give rise to new downsized devices with better performance. In addition, the ALD process is required in many research areas such as the surface protection of nanostructures, allowing their manipulation and characterization to advance in fundamental research and quantum phenomena investigations.

This Special Issue is focused on, but not confined to, three main research levels involving the ALD technique.

  • The development of new precursors and deposition approaches to increase the state of the art of ALD materials.
  • Implementation of ALD in combination with other fabrication routes to yield new nanostructured materials.
  • Fabrication of advance devices using the ALD technique to improve their performance.

 

Prof. Victor M. Prida
Dr. Víctor Vega Martínez
Dr. Javier García Fernández
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 papers will be 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. Nanomaterials 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 2000 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

  • Atomic layer deposition;
  • Functional coatings (biocompatible, hydrophilic or hydrophobic materials, photocatalytic, optical, photoluminiscent, corrosion-resistant, etc.);
  • Nanomaterials;
  • Surface layer modification;
  • Energy storage supercapacitors

Published Papers (2 papers)

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Research

Open AccessArticle
Antimicrobial Bilayer Nanocomposites Based on the Incorporation of As-Synthetized Hollow Zinc Oxide Nanotubes
Nanomaterials 2020, 10(3), 503; https://doi.org/10.3390/nano10030503 - 11 Mar 2020
Abstract
An antimicrobial polymeric bilayer structure based on the application of an acrylic coating containing hollow zinc oxide nanotubes over a polymeric substrate was developed in this work. Firstly, zinc oxide nanotubes (ZnONT) were obtained by an atomic layer deposition (ALD) process [...] Read more.
An antimicrobial polymeric bilayer structure based on the application of an acrylic coating containing hollow zinc oxide nanotubes over a polymeric substrate was developed in this work. Firstly, zinc oxide nanotubes (ZnONT) were obtained by an atomic layer deposition (ALD) process over electrospun polyvinyl alcohol nanofibers followed by polymer removal through calcination with the purpose of obtaining antimicrobial nanostructures with a high specific area. Parameters of electrospinning, ALD, and calcination processes were set in order to obtain successfully hollow zinc oxide nanotubes. Morphological studies through scanning electron microscopy (SEM) and transmission electron microscopy (TEM) microscopies confirmed the morphological structure of ZnONT with an average diameter of 180 nm and thickness of approximately 60 nm. Thermal and X-ray diffraction (XRD) analyses provided evidence that calcination completely removed the polymer, resulting in a crystalline hexagonal wurtzite structure. Subsequently, ZnONT were incorporated into a polymeric coating over a polyethylene extruded film at two concentrations: 0.5 and 1 wt. % with respect to the polymer weight. An antimicrobial analysis of developed antimicrobial materials was performed following JIS Z2801 against Staphylococcus aureus and Escherichia coli. When compared to active materials containing commercial ZnO nanoparticles, materials containing ZnONT presented higher microbial inhibition principally against Gram-negative bacteria, whose reduction was total for films containing 1 wt. % ZnONT. Antiviral studies were also performed, but these materials did not present significant viral reduction. Full article
(This article belongs to the Special Issue ALD Technique for Functional Coatings of Nanostructured Materials)
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Open AccessCommunication
Flexible 3D Electrodes of Free-Standing TiN Nanotube Arrays Grown by Atomic Layer Deposition with a Ti Interlayer as an Adhesion Promoter
Nanomaterials 2020, 10(3), 409; https://doi.org/10.3390/nano10030409 - 26 Feb 2020
Abstract
Nanostructured electrodes and their flexible integrated systems have great potential for many applications, including electrochemical energy storage, electrocatalysis and solid-state memory devices, given their ability to improve faradaic reaction sites by large surface area. Although many processing techniques have been employed to fabricate [...] Read more.
Nanostructured electrodes and their flexible integrated systems have great potential for many applications, including electrochemical energy storage, electrocatalysis and solid-state memory devices, given their ability to improve faradaic reaction sites by large surface area. Although many processing techniques have been employed to fabricate nanostructured electrodes onto flexible substrates, these present limitations in terms of achieving flexible electrodes with high mechanical stability. In this study, the adhesion, mechanical properties and flexibility of TiN nanotube arrays on a Pt substrate were improved using a Ti interlayer. Highly ordered and well-aligned TiN nanotube arrays were fabricated on a Pt substrate using a template-assisted method with an anodic aluminum oxide (AAO) template and atomic layer deposition (ALD) system. We show that with the use of a Ti interlayer between the TiN nanotube arrays and Pt substrate, the TiN nanotube arrays could perfectly attach to the Pt substrate without delamination and faceted phenomena. Furthermore, the I-V curve measurements confirmed that the electric contact between the TiN nanotube arrays and substrate for use as an electrode was excellent, and its flexibility was also good for use in flexible electronic devices. Future efforts will be directed toward the fabrication of embedded electrodes in flexible plastic substrates by employing the concepts demonstrated in this study. Full article
(This article belongs to the Special Issue ALD Technique for Functional Coatings of Nanostructured Materials)
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