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Coatings
Special Issues
Environmentally Friendly Energy Conversion Materials and Thin Films
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Environmentally Friendly Energy Conversion Materials and Thin Films

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Engineering for Energy Harvesting, Conversion, and Storage".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1022

Special Issue Editors

Prof. Dr. Christos Argirusis

E-Mail Website1 Website2
Guest Editor
1. Clausthal Centre for Materials Technology (CZM), Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany
2. School of Chemical Engineering, National Technical University of Athens, 15780 Athens, Greece
Interests: nanomaterials; fuel cells; microbial fuel cells; sonochemistry; plasma chemistry; thin films
Special Issues, Collections and Topics in MDPI journals
Dr. Pavlos K. Pandis

E-Mail Website
Guest Editor
School of Chemical Engineering, National Technical University of Athens, 15780 Athens, Greece
Interests: materials; heterogeneous catalysis; hydrophobic/hydrophilic coatings; AOPs; fuel cells
Special Issues, Collections and Topics in MDPI journals
Dr. Georgia Sourkouni

E-Mail Website
Guest Editor
Clausthal Centre for Materials Technology (CZM), Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany
Interests: fuel cells; photocatalysis; nanomaterials; sonochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, thin films and coatings have emerged as crucial components across various industries, showcasing a notable trend towards multifunctionality and sustainability. With advancements in nanotechnology and material science, coating technologies in general and especially for thin films are becoming increasingly tailored to meet specific demands, offering enhanced functionalities while minimizing resource consumption. Because of the growing demand for sustainable and eco-friendly energy conversion applications such as fuel cells, batteries, solar cells, and thermoelectric generators, the research and development of cost-effective and efficient materials is critical for the long-term development of energy and power systems. Thin film materials used in energy conversion offer opportunities to improve the performance and efficiency of these devices.

The purpose of this Special Issue is to highlight research on multidisciplinary material synthesis, processing, development and application of coating technologies, and characterization of functional thin films consisting of metal oxides, organic/inorganic hybrids, organic/inorganic semiconductors, and their applications in diverse devices, including the following:

  • Coating technologies;
  • Highly efficient energy conversion systems;
  • Photovoltaics;
  • Thermoelectrics;
  • Piezoelectric thin films;
  • Solar cells;
  • Optoelectronic devices;
  • Fuel cells;
  • Batteries;
  • Supercapacitors;
  • Thin film photocatalysis.

Prof. Dr. Christos Argirusis
Dr. Pavlos K. Pandis
Dr. Georgia Sourkouni
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

  • photovoltaics
  • fuel cells
  • thermoelectrics
  • piezoelectric thin films
  • solar cells
  • optoelectronic devices
  • thin-film preparation methods
  • batteries
  • supercapacitors
  • coating technologies

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

Published Papers (1 paper)

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Research

22 pages, 7976 KiB  
Article
A3B Zn(II)-Porphyrin-Coated Carbon Electrodes Obtained Using Different Procedures and Tested for Water Electrolysis
by Bogdan-Ovidiu Taranu, Florina Stefania Rus and Eugenia Fagadar-Cosma
Coatings 2024, 14(8), 1048; https://doi.org/10.3390/coatings14081048 - 16 Aug 2024
Viewed by 635
Abstract
In the context of water electrolysis being highlighted as a promising technology for the large-scale sustainable production of hydrogen, the water-splitting electrocatalytic properties of an asymmetrically functionalized A3B zinc metalated porphyrin, namely, Zn(II) 5-(4-pyridyl)-10,15,20-tris(4-phenoxyphenyl)-porphyrin, were evaluated in a wide pH range. [...] Read more.
In the context of water electrolysis being highlighted as a promising technology for the large-scale sustainable production of hydrogen, the water-splitting electrocatalytic properties of an asymmetrically functionalized A3B zinc metalated porphyrin, namely, Zn(II) 5-(4-pyridyl)-10,15,20-tris(4-phenoxyphenyl)-porphyrin, were evaluated in a wide pH range. Two different electrode manufacturing procedures were employed to outline the porphyrin’s applicative potential for the O2 and H2 evolution reactions (OER and HER). The electrode, manufactured by coating the catalyst on a graphite support from a dimethylsulfoxide solution, displayed electrocatalytic activity for the OER in an acidic electrolyte. An overpotential value of 0.44 V (at i = 10 mA/cm2) and a Tafel slope of 0.135 V/dec were obtained. The modified electrode that resulted from applying a Zn(II)-porphyrin-containing catalyst ink onto the same substrate type was identified as a bifunctional water-splitting catalyst in a neutral medium. OER and HER overpotentials of 0.78 and 1.02 V and Tafel slopes of 0.39 and 0.249 V/dec were determined. This is the first Zn(II)-porphyrin to be reported as a heterogenous bifunctional water-splitting electrocatalyst in neutral aqueous electrolyte solution and is one of very few porphyrins behaving as such. The TEM analysis of the porphyrin’s self-assembly behavior revealed a wide variety of architectures. Full article
(This article belongs to the Special Issue Environmentally Friendly Energy Conversion Materials and Thin Films)
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