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Sustainable Electrochemical and Chemical Synthesis of Functional Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 20 September 2026 | Viewed by 1205

Special Issue Editors


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Guest Editor
Laboratory of General Chemistry, School of Chemical Engineering, National Technical University of Athens, 15780 Athens, Greece
Interests: pulse electrolysis; electrodeposition of metals; metal matrix composite materials; electrodeposition of semiconductive thin films; hybrid semiconductors; surfaces and interfaces; microstructure and properties of materials
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Guest Editor Assistant
Laboratory of General Chemistry, School of Chemical Engineering, National Technical University of Athens, 15780 Athens, Greece
Interests: electrodeposition of metal and metal matrix composite coatings; electrochemical synthesis of nanomaterials; sustainable synthesis of nanomaterials; green extractions; sustainable seperation processes; deep eutectic solvents

Special Issue Information

Dear Colleagues,

The transition toward greener and more efficient manufacturing routes has become a central priority across materials science, energy technologies, and environmental engineering. This Special Issue aims to showcase recent advances in sustainable electrochemical and chemical synthesis pathways that enable the fabrication of high-performance functional materials while minimizing energy consumption, hazardous reagents, and environmental impact.

We invite contributions that explore innovative synthesis strategies—ranging from electrodeposition, electrosynthesis, and electrochemical surface modification to green chemical routes employing benign solvents, deep eutectic systems, ionic liquids, biomass-derived reagents, or low-temperature/low-waste processes. Emphasis will be placed on methods that deliver improved control over material structure, composition, and functionality, as well as those that offer scalability, circularity, or measurable reductions in environmental footprint.

Target materials include (but are not limited to) nanostructured coatings, composite coatings, thin films, catalysts, functional surfaces, 2D materials, hybrid materials, adsorbents, and energy-related materials. Studies demonstrating process–structure–property relationships, advanced characterization, lifecycle or sustainability assessments, and application-driven performance in areas such as catalysis, electrochemistry, energy storage, sensing, and environmental remediation are particularly encouraged.

By bringing together interdisciplinary research on sustainable synthesis methodologies, this Special Issue seeks to provide a platform for both fundamental insights and practical innovations that support a more resource-efficient and environmentally responsible materials sector.

Prof. Dr. Constantina Kollia
Guest Editor

Dr. Maria Myrto Dardavila
Guest Editor Assistant

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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

  • sustainable synthesis
  • electrodeposition
  • electrochemical fabrication
  • green nanomaterials
  • functional materials
  • deep eutectic solvents (DESs)
  • composite materials
  • catalysis and energy materials
  • environmentally benign processes

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Published Papers (3 papers)

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Research

13 pages, 2117 KB  
Article
One-Pot Synthesis of PtBi-CoX Alloys for Electrochemical Nitrate Reduction to Ammonia
by Yingfei Liu, Yuxuan Wang, Xiyuan Sun, Chong Peng, Zhe Pang, Dafu Zhao, Kefeiyang Hu, Jiaqian Que, Xingbo Huang and Yong Liu
Materials 2026, 19(10), 1953; https://doi.org/10.3390/ma19101953 - 9 May 2026
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Abstract
The electrochemical nitrate reduction reaction (NO3RR) represents a promising strategy for wastewater remediation and sustainable ammonia (NH3) production. However, its practical application is hindered by low selectivity and competition from the hydrogen evolution reaction (HER). Herein, a series of [...] Read more.
The electrochemical nitrate reduction reaction (NO3RR) represents a promising strategy for wastewater remediation and sustainable ammonia (NH3) production. However, its practical application is hindered by low selectivity and competition from the hydrogen evolution reaction (HER). Herein, a series of PtBi-CoX (X = 4.9, 5.3, and 6.1) ternary alloy nanoplates was synthesized via a one-pot method with tunable Co content. Structural characterization indicates that Co incorporation does not significantly alter the hexagonal crystal structure of the PtBi phase. Electrochemical measurements reveal that the NO3RR performance varies with PtBi-CoX (X = 4.9, 5.3, 6.1), with PtBi-Co5.3 exhibiting the optimal balance of activity and selectivity among the studied samples. At −0.5 V vs. RHE, it achieves a Faradaic efficiency (FE) of 97.75 ± 0.75% and an NH3 yield rate of 9.33 ± 0.50 mg h−1 mgcat−1 under the tested conditions. In addition, the catalyst exhibits relatively suppressed HER activity compared to samples with higher Co content, along with good stability. These findings provide useful insights into the design of PtBi-based ternary alloy catalysts for efficient nitrate reduction. Full article
13 pages, 5540 KB  
Article
Synergistic Enhancement of Zinc Electrowinning Performance by Ti2N Interlayer and CeMnOx Powder Modification
by Wentao Wang, Nan Li, Lingjing Yang, Jinlong Wei, Yuantao Yang, Yi Luo, Ruidong Xu and Xuanbing Wang
Materials 2026, 19(5), 864; https://doi.org/10.3390/ma19050864 - 26 Feb 2026
Cited by 1 | Viewed by 351
Abstract
In zinc electrowinning, industrial Pb-Ag anodes have inherent limitations, including high oxygen evolution overpotential and rapid corrosion. This study constructs Ti-Ti2N-PbO2-CeMnOx composite anodes to overcome these shortcoming, Electrochemical characterization revealed enhanced performance with a reduced overpotential (725 mV [...] Read more.
In zinc electrowinning, industrial Pb-Ag anodes have inherent limitations, including high oxygen evolution overpotential and rapid corrosion. This study constructs Ti-Ti2N-PbO2-CeMnOx composite anodes to overcome these shortcoming, Electrochemical characterization revealed enhanced performance with a reduced overpotential (725 mV 50 mA cm−2) and lower Tafel slope (102.92 mV dec−1) in the standard zinc electrowinning electrolyte, indicating faster oxygen evolution kinetics compared to commercial benchmarks. Analysis of the XPS test revealed an increase in the content of Mn3+, which helps enhance the OER catalytic activity of the electrode. The Ti/Ti2N/α/β-PbO2-CeMnOx (abbreviation: CMO) composite anode exhibited superior corrosion resistance with an extended service life of 53 h under accelerated polarization at 2 A cm−2. This durability enhancement is attributed to the combined effects of the Ti2N interlayer and CMO incorporation, which effectively mitigate anode degradation through passivation inhibition. The developed fabrication strategy enables the production of dimensionally stable anodes (DSAs) with balanced electrocatalytic activity and operational stability, showing promising potential for industrial zinc electrowinning applications. Full article
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12 pages, 2373 KB  
Article
2,2′-Biquinoline Modified Expanded Graphite Electrode for the Detection of Cuprous Ions in Electrolytic Copper Foil Electrolyte
by Zhiyao Ming, Wenchang Wang, Ding Jiang, Pengju Wang, Yufa Sun, Qihu Wu and Zhidong Chen
Materials 2026, 19(3), 586; https://doi.org/10.3390/ma19030586 - 3 Feb 2026
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Abstract
The coexistence of Cu in copper sulfate electrolyte significantly affects the microstructure and performance of the copper foil. So far, there has been little quantitative analysis of Cu+ in the electrolyte during the copper foil production process. This paper fabricated a 2,2′-Biquinoline [...] Read more.
The coexistence of Cu in copper sulfate electrolyte significantly affects the microstructure and performance of the copper foil. So far, there has been little quantitative analysis of Cu+ in the electrolyte during the copper foil production process. This paper fabricated a 2,2′-Biquinoline (BIQ) modified expanded graphite (EG) electrode electrochemical sensor for the selective determination of Cu+. EG, with its large specific surface area and excellent adsorption and electrochemical properties, significantly enhances analytical sensitivity. Additionally, BIQ’s specific coordination with Cu+ improves the sensor’s rapid and effective quantification of Cu+ in the electrolytic copper foil electrolyte. The linear equation of this sensor is I = 0.03769 + 0.29997 × c (R2 = 0.9989), with a detection limit of 8 μg/L (S/N = 3). The BIQ-modified EG electrode has good selectivity for Cu+, with a recovery rate for cuprous ions of 101.00% to 105.00% under the coexistence of 10,000 times Cu2+, and an RSD of less than 2%. This sensor’s efficient, sensitive, and selective detection of Cu+ can be an effective method to improve the quality of electrolytic copper foil products. Full article
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