Recent Advances in Functional Transparent Semiconductor Films and Coatings; 2nd Edition

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Thin Films".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 374

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Unité de Recherche Matériaux & Ingénierie Mécanique, Université de Reims Champagne-Ardenne, 51687 Reims, CEDEX 2 , France
Interests: applied/experimental physics; thin films; optoelectronics; semiconductor device physics; materials characterization; elaboration techniques
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Guest Editor
Department of Chemistry, An-Najah National University, P. O. Box 7 Nablus, Palestine
Interests: nanomaterials for wastewater purification
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Special Issue Information

Dear Colleagues,

Coatings (from a few nanometers to a few micrometers thick) of transparent semiconductors are extensively employed in everyday life to significantly modify the chemical, optical, electrical, thermal, catalytic, mechanical, and surface properties of the substrate they cover. Several deposition techniques are able to deposit such a thin film on different substrates (inorganic, organic, rigid, or flexible) and in various shapes. Parameters such as the stoichiometry, doping, defects, thickness, or surface treatment can be used to modulate the properties of the coating to functionalize it as an electrical contact, antireflective layer, catalyst, or chemical barrier. This flexibility has led to the extensive application of these materials in various scenarios: consumer electronics or optoelectronics, photoelectrochemistry, anti-corrosion, packaging, etc.

The scope of this Special Issue focusing on conductive oxides and semiconductors therefore includes, but is not limited to, the following topics:

- Recent developments and advances in the preparation of transferables and deposition methods that enable large-scale transfer and cost reduction;

- Surface functionalization to enhance performance according to the application;

-  New application opportunities, particularly in photovoltaics, transparent electronics, photocatalysis, and antibacterial protection.

Prof. Dr. Aomar Hadjadj
Prof. Dr. Shehdeh Jodeh
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

  • transparent conducting material
  • thin film developing technology
  • thin film characteristics
  • functionalization

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Published Papers (1 paper)

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Research

12 pages, 1878 KiB  
Article
Photocatalytic Properties of ZnO/WO3 Coatings Formed by Plasma Electrolytic Oxidation of a Zinc Substrate in a Tungsten-Containing Electrolyte
by Stevan Stojadinović, Dejan Pjević and Nenad Radić
Coatings 2025, 15(6), 657; https://doi.org/10.3390/coatings15060657 - 29 May 2025
Viewed by 117
Abstract
ZnO/WO3 coatings were synthesized by the plasma electrolytic oxidation of zinc in an alkaline phosphate electrolyte (supporting electrolyte, SE) with the addition of WO3 particles or tungstosilicic acid (WSiA, H4SiW12O40) at concentrations of up to [...] Read more.
ZnO/WO3 coatings were synthesized by the plasma electrolytic oxidation of zinc in an alkaline phosphate electrolyte (supporting electrolyte, SE) with the addition of WO3 particles or tungstosilicic acid (WSiA, H4SiW12O40) at concentrations of up to 1.0 g/L. These coatings were intended for the decomposition of methyl orange (MO) through photocatalysis. The morphology, chemical composition, crystal structure and absorption properties of the coatings were investigated using scanning electron microscopy, energy dispersive X-ray spectroscopy, wavelength-dispersive X-ray spectroscopy, X-ray diffraction, photoelectron spectroscopy and diffuse reflectance spectroscopy. Under artificial sunlight, the PA of the coatings was investigated using MO decomposition. The photocatalytic activity (PA) of the ZnO/WO3 coatings was higher than that of the ZnO obtained in SE. The decrease in the recombination rate of photo-generated electron/hole pairs due to the coupling of ZnO and WO3 is related to the increased PA. The PA for ZnO and the most photocatalytically active ZnO/WO3 was around 72% and 96%, respectively, after 8 h of irradiation. A mechanism for MO photo-degradation by the ZnO/WO3 photocatalyst was also proposed. Full article
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