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Electrochemical Deposition and Characterization of Thin Films
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Electrochemical Deposition and Characterization of Thin Films

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: closed (20 November 2023) | Viewed by 5986

Special Issue Editors

Prof. Dr. Anca Cojocaru

E-Mail Website
Guest Editor
Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Bucharest, Romania
Interests: electrochemical deposition of metals, alloys and thermoelectric materials; ionic liquids based on choline chloride; green corrosion inhibitors
Dr. Ioana Maior

E-Mail Website
Guest Editor
Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Bucharest, Romania
Interests: control and monitoring of corrosion processes in various aqueous/non-aqueous media; electrochemical techniques applied for characterization of electrodes; electrolyte interface in electrolysis and corrosion processes; coatings through electrodeposition of metallic layers, alloys, and polymers from aqueous/non-aqueous liquids; electrochemical energy storage and conversion in batteries and fuel cells

Special Issue Information

Dear Colleagues,

The last two decades have seen intensive improvement in thin film deposition methods, enabling the precise coating of surfaces at the nanoscale. Today, it is possible to coat surfaces with complex compositions and synthesize multilayers, enabling the development of synergistic effects through the mutual interaction of such layers. The deposition of complex structures allows for the development of new technologies, with recent advances in deposition techniques further miniaturizing electronic devices.

The development of these new technologies toward scaling down the size of the produced devices requires accurate control of the deposition process. The latter then allows tailoring thin films and nanodevices to one’s desire. Recent advances are not only limited to nanoelectronics but are applicable to every field, viz., anti-corrosion coating, biocidal coating, or photovoltaic devices, in order to cope with the present demands of society. The last two decades have also witnessed the accelerated development of atomic layer deposition processes that enable the conformal coating at nanoscale now upscalable to larger surface areas. Electrodeposition can use both aqueous and non-aqueous solvents as electrolytes, and the potential applications of the deposited films are in the production of semiconductor materials for new-generation energy storage devices and for optoelectronic devices, metals, alloys, or composites for corrosion protection, thermoelectric materials.

This Special Issue, “Electrochemical Deposition and Characterization of Thin Films”, invites researchers studying subjects related to electrochemical deposition, film characterization using various methods, as well as any other related subjects to submit full research papers, short communications, and review articles.

Prof. Dr. Anca Cojocaru
Dr. Ioana Maior
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. Materials is an international peer-reviewed open access semimonthly 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

  • electrodeposition
  • thin film
  • bath formulation
  • growth mechanism
  • pulse electrodeposition
  • electrodeposition of nanostructures
  • microstructure
  • binary and ternary alloys
  • impedance spectroscopy
  • cyclic voltammetry
  • structural properties
  • corrosion

Published Papers (4 papers)

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Research

13 pages, 2205 KiB  
Article
Influence of Electrolyte Choice on Zinc Electrodeposition
by Kranthi Kumar Maniam, Corentin Penot and Shiladitya Paul
Materials 2024, 17(4), 851; https://doi.org/10.3390/ma17040851 - 10 Feb 2024
Cited by 1 | Viewed by 1355
Abstract
Zinc electrodeposition serves as a crucial electrochemical process widely employed in various industries, particularly in automotive manufacturing, owing to its cost effectiveness compared to traditional methods. However, traditional zinc electrodeposition using aqueous solutions faces challenges related to toxicity and hydrogen gas generation. Non-aqueous [...] Read more.
Zinc electrodeposition serves as a crucial electrochemical process widely employed in various industries, particularly in automotive manufacturing, owing to its cost effectiveness compared to traditional methods. However, traditional zinc electrodeposition using aqueous solutions faces challenges related to toxicity and hydrogen gas generation. Non-aqueous electrolytes such as ionic liquids (ILs) and deep eutectic solvents (DESs) have gained attention, with choline-chloride-based DESs showing promise despite raising environmental concerns. In this study, zinc electrodeposition on mild steel was investigated using three distinct electrolytes: (i) halide-free aqueous solutions, (ii) chloride-based DES, and (iii) halide-free acetate-based organic solutions. The study examined the influence of deposition time on the growth of Zn on mild steel substrates from these electrolytes using physical characterization techniques, including scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results indicate that glycol + acetate-based non-aqueous organic solutions provide an eco-friendly alternative, exhibiting comparable efficiency, enhanced crystalline growth, and promising corrosion resistance. This research contributes valuable insights into the impact of electrolyte choice on zinc electrodeposition, offering a pathway towards more sustainable and efficient processes. Through a comprehensive comparison and analysis of these methods, it advances our understanding of the practical applications of zinc electrodeposition technology. Full article
(This article belongs to the Special Issue Electrochemical Deposition and Characterization of Thin Films)
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13 pages, 3294 KiB  
Article
Drop-Dry Deposition of SnO2 Using a Complexing Agent and Fabrication of Heterojunctions with Co3O4
by Tong Li and Masaya Ichimura
Materials 2023, 16(15), 5273; https://doi.org/10.3390/ma16155273 - 27 Jul 2023
Cited by 2 | Viewed by 848
Abstract
The drop-dry deposition (DDD) is a simple chemical technique of thin film deposition, which can be applied to metal oxides. The deposition solution is an aqueous solution including a metal salt and an alkali. However, some metal ions react spontaneously with water and [...] Read more.
The drop-dry deposition (DDD) is a simple chemical technique of thin film deposition, which can be applied to metal oxides. The deposition solution is an aqueous solution including a metal salt and an alkali. However, some metal ions react spontaneously with water and precipitate. This work is the first attempt to use complexing agents in DDD to suppress the precipitation. SnO2 thin films are fabricated using DDD with Na2S2O3 as a complexing agent and via annealing in air. The results of the Auger electron spectroscopy measurement show that the O/Sn composition ratio of the annealed films approached two, indicating that the annealed films are SnO2. The photoelectrochemical measurement results show that the annealed films are n-type. Co3O4/SnO2 heterojunction is fabricated using p-type Co3O4 films which are also deposited via DDD. The heterojunction has rectification and photovoltaic properties. Thus, for the first time, a metal oxide thin film was successfully prepared via DDD using a complexing agent, and oxide thin film solar cells are successfully prepared using only DDD. Full article
(This article belongs to the Special Issue Electrochemical Deposition and Characterization of Thin Films)
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16 pages, 4224 KiB  
Article
Techno-Economic Analysis and Life Cycle Assessment of High-Velocity Oxy-Fuel Technology Compared to Chromium Electrodeposition
by Antoine Merlo, Florin Duminica, Alain Daniel and Grégoire Léonard
Materials 2023, 16(10), 3678; https://doi.org/10.3390/ma16103678 - 11 May 2023
Cited by 2 | Viewed by 1512
Abstract
Due to the toxicity associated with chromium electrodeposition, alternatives to that process are highly sought after. One of those potential alternatives is High Velocity Oxy-Fuel (HVOF). In this work, a HVOF installation is compared with chromium electrodeposition from environmental and economic points of [...] Read more.
Due to the toxicity associated with chromium electrodeposition, alternatives to that process are highly sought after. One of those potential alternatives is High Velocity Oxy-Fuel (HVOF). In this work, a HVOF installation is compared with chromium electrodeposition from environmental and economic points of view by using Life Cycle Assessment (LCA) and Techno-Economic Analysis (TEA) for the evaluation. Costs and environmental impacts per piece coated are then evaluated. On an economic side, the lower labor requirements of HVOF allow one to noticeably reduce the costs (20.9% reduction) per functional unit (F.U.). Furthermore, on an environmental side, HVOF has a lower impact for the toxicity compared to electrodeposition, even if the results are a bit more mixed in other impact categories. Full article
(This article belongs to the Special Issue Electrochemical Deposition and Characterization of Thin Films)
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18 pages, 3108 KiB  
Article
Comparison of Physical/Chemical Properties of Prussian Blue Thin Films Prepared by Different Pulse and DC Electrodeposition Methods
by Vahideh Bayzi Isfahani, Ali Arab, João Horta Belo, João Pedro Araújo, Maria Manuela Silva and Bernardo Gonçalves Almeida
Materials 2022, 15(24), 8857; https://doi.org/10.3390/ma15248857 - 12 Dec 2022
Cited by 2 | Viewed by 1815
Abstract
Prussian Blue (PB) thin films were prepared by DC chronoamperometry (CHA), symmetric pulse, and non-symmetric pulse electrodeposition techniques. The formation of PB was confirmed by infrared spectroscopy (FTIR), energy-dispersive X-ray spectroscopy (EDX) and UV-Vis transmission measurements. X-ray diffraction (XRD) shows the stabilization of [...] Read more.
Prussian Blue (PB) thin films were prepared by DC chronoamperometry (CHA), symmetric pulse, and non-symmetric pulse electrodeposition techniques. The formation of PB was confirmed by infrared spectroscopy (FTIR), energy-dispersive X-ray spectroscopy (EDX) and UV-Vis transmission measurements. X-ray diffraction (XRD) shows the stabilization of the insoluble form of PB. From scanning electron microscopy (SEM) studies, an increase in porosity is obtained for the shorter pulse widths, which tends to improve the total charge exchange and electrochemical stability of the films. While the film prepared by CHA suffered a degradation of 82% after 260 cycles, the degradation reduced to 24% and 34% for the samples prepared by the symmetric and non-symmetric pulse methods, respectively. Additionally, in the non-symmetric pulse film, the improvement in the charge exchange reached ~522% after 260 cycles. According to this study, the deposition time distribution affects the physical/chemical properties of PB films. These results then render pulse electrodeposition methods especially suitable to produce high-quality thin films for electrochemical devices, based on PB. Full article
(This article belongs to the Special Issue Electrochemical Deposition and Characterization of Thin Films)
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