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The Influence of Organic Compounds on Electrode Processes
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The Influence of Organic Compounds on Electrode Processes

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Applied Chemistry".

Deadline for manuscript submissions: closed (30 April 2025) | Viewed by 1369

Special Issue Editors

Prof. Dr. Agnieszka Nosal-Wiercińska

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Guest Editor
Department of Analytical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
Interests: electrochemistry; electroanalysis; electrocatalysis; electrode processes; electrode mechanism; electroreduction processes; “cap-pair” effect; active complexes; catalytic activity; inhibition; water activity; adsorption; double layer interface; corrosion; activated carbons; surfactants
Dr. Andrzej Leniart

E-Mail Website
Guest Editor
Department of Inorganic and Analytical Chemistry, University of Lodz, Faculty of Chemistry, Tamka 12, 91-403 Łódź, Poland
Interests: electrochemistry; electroanalysis; corrosion; electrodeposition; chemical sensing and biosensing; carbon-based electrodes; solid state electrodes; ceramic electrodes; nanomaterials; materials modification; materials characterization

Special Issue Information

Dear Colleagues,

We would like to invite you to contribute original research manuscripts or comprehensive review articles to this Special Issue, titled ”The Influence of Organic Compounds on Electrode Processes”.

The task undertaken by modern electrochemistry to study electrode mechanisms is mainly concerned with multi-electron processes, which suggests their complexity and the presence of intermediate steps leading to product formation. Electrode processes involve electrochemical reactions such as oxidation, reduction, charge transport, and electron conduction or adsorption. Organic compounds can have a variety of effects on electrode processes depending on their properties and application. The use of organic compounds to modify electrodes contributes to improving the electrochemical properties of sensors. Molecules of organic compounds adsorbed on the metal surface change the structure of the interfacial region and affect the kinetics of electrode reactions. This effect plays an important role in metal electrodeposition processes, energy storage, corrosion, electroanalysis, catalysis, molecular and bimolecular electronics, and biological membrane research, among others. By studying the application/use of organic compounds and optimizing electrode processes, researchers can improve the efficiency and performance of electrochemical systems.

This Special Issue is focused on publishing articles devoted to covering both breakthrough discoveries and highly specialized research related to the application and influence of organic compounds on electrode kinetics and mechanisms, the impact of phenomena occurring at the electrode/electrolyte solution interface, the optimization of functional and structural electrode materials, applications of electrode modification, electrocatalysis, energy storage, as well as other related topics.

Prof. Dr. Agnieszka Nosal-Wiercińska
Dr. Andrzej Leniart
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. Molecules 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 2700 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

  • electrochemistry
  • electroanalysis
  • electrode processes
  • “cap-pair” effect
  • electrode modifications
  • electrochemical detection
  • (bio)electroanalytical applications
  • double layer interface
  • self-organizing layers conductive polymers
  • corrosion

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Published Papers (2 papers)

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Research

21 pages, 3164 KiB  
Article
Influence of the Type of Macrocycle on the Stabilisation of the High Oxidation State of the Manganese Ion and Electrode Processes
by Danuta Tomczyk, Sławomira Skrzypek and Piotr Seliger
Molecules 2025, 30(8), 1860; https://doi.org/10.3390/molecules30081860 - 21 Apr 2025
Viewed by 130
Abstract
Dinuclear di-µ-oxo complexes of Mn3+ and Mn4+ ions, and mononuclear complexes of Mn3+ ions with tetraazamacrocycles ([12]aneN4, [14]aneN4, [15]aneN4) and C-substituted derivative (Me6[14]aneN4) as well as mononuclear [...] Read more.
Dinuclear di-µ-oxo complexes of Mn3+ and Mn4+ ions, and mononuclear complexes of Mn3+ ions with tetraazamacrocycles ([12]aneN4, [14]aneN4, [15]aneN4) and C-substituted derivative (Me6[14]aneN4) as well as mononuclear complexes of Mn2+ ions with N-substituted derivatives ((N-Me)2[14]aneN4, (N-Me)4[14]aneN4, (N-Me)Me2py [14]aneN4) and with oxo2[14]aneN4 were studied. Based on spectroscopic (UV VIS and IR) and conductometric studies, the types of synthesised complexes (cis or trans isomers of mononuclear Mn3+ complexes, oxygen bridges and class II according to Robin and Day classification for dinuclear complexes) were determined. On the basis of voltammetric and spectroelectrochemical studies, trans-cis isomerisation at the level of Mn2+ ion complexes and cis-trans isomerisation at the level of Mn3+ ion complexes were demonstrated for complexes of ligands with free C positions. The N-substituted derivatives oxidise according to the EC mechanism, in which the follow-up reaction is a disproportionation reaction. The thermodynamic stabilisation of Mn3+ ions was determined by comparing the formal potentials (Ef0), the disproportionation constants (k1) and the formation constants (βIII). The study showed the possibility of oxidation of mononuclear, pseudo-octahedral Mn3+ ion complexes to dinuclear complexes and the greatest stabilisation of Mn3+ ions, both in monomers and dimers of ligands with free N positions. Full article
(This article belongs to the Special Issue The Influence of Organic Compounds on Electrode Processes)
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13 pages, 3100 KiB  
Article
Effect of Ionic Surfactants on Kinetics and Mechanism of the Bi(III) Ion Electroreduction in the Mixed Aqueous–Organic Solutions of Supporting Electrolytes
by Alicja Pawlak and Agnieszka Nosal-Wiercińska
Molecules 2024, 29(21), 4986; https://doi.org/10.3390/molecules29214986 - 22 Oct 2024
Viewed by 860
Abstract
This work presents the results of a study on the effect of ionic surfactants: cationic hexadecyltriammonium bromide (CTAB) and anionic sodium salt of sulfonic acid (1OSASS) on the Bi(III) electroreduction process in mixed aqueous–organic supporting electrolyte solutions containing methanol. This study showed that [...] Read more.
This work presents the results of a study on the effect of ionic surfactants: cationic hexadecyltriammonium bromide (CTAB) and anionic sodium salt of sulfonic acid (1OSASS) on the Bi(III) electroreduction process in mixed aqueous–organic supporting electrolyte solutions containing methanol. This study showed that the composition of the supporting electrolyte solution, particularly the methanol and surfactant concentrations, significantly affects the mechanism and rate of the Bi(III) ion electroreduction. Analysis of the influence of the indicated factors on the mechanisms and kinetics of metal ion electroreduction can contribute not only to the optimization of industrial electrochemical processes but also to the development of innovative technological solutions, such as advanced electrochemical materials and novel sensors. In these experiments, an innovative electrode made of cyclic renewable liquid silver amalgam (R-AgLAFE) was used as a working electrode, which stands out among classic mercury electrodes (HMDE type) due to the significant reduction in mercury consumption while maintaining similar performance. Full article
(This article belongs to the Special Issue The Influence of Organic Compounds on Electrode Processes)
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