Electrochemical Impedance Spectroscopy and Its Sensing Applications

A special issue of Biosensors (ISSN 2079-6374). This special issue belongs to the section "Biosensor and Bioelectronic Devices".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 2167

Special Issue Editor


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Analytical Chemistry Department, Kazan Federal University, Kremleyevskaya, 18, Kazan 420008, Russia
Interests: electrochemical sensors; biosensors; DNA sensors; electropolymerization; chemical modification of electrodes; SPR sensors; statistical methods in analytical chemistry; data analysis
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Special Issue Information

Dear Colleagues,

Electrochemical impedance spectroscopy (EIS) is a powerful technique that has been widely used in many fields of physics, chemistry, biotechnology and materials science. Furthermore, EIS is considered an important tool for optimizing component performance and studying materials and interfaces. It is a non-invasive technique that does not require complex or expensive instruments and is easy to perform. As a result, it can now be used not only in research laboratories, but also as a tool for controlling processes in battery, semiconductor or thin-film technology. In addition, EIS is increasingly successful in the design and development of sensor systems.

This Special Issue is dedicated to presenting new and interesting research advances related to electrochemical impedance spectroscopy and its application in the field of sensing. This Special Issue will include extended papers from the 12th International Symposium on Electrochemical Impedance Spectroscopy (EIS 2023), but we also strongly encourage researchers who are unable to participate in the conference to submit articles for this call. Authors of selected high-quality papers from the conference are welcome to submit extended versions of their original papers (50% extensions of the contents of the conference paper) and other contributions.

This Special Issue is related to Special Issue "Electrochemical Impedance Spectroscopy for Sensing and Structural and Functional Analysis" in Chmosensors.

Dr. Alexey Ivanov
Guest Editor

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Published Papers (1 paper)

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19 pages, 7445 KiB  
Article
Electrochemical Impedance Spectroscopy for Ion Sensors with Interdigitated Electrodes: Capacitance Calculations, Equivalent Circuit Models and Design Optimizations
by Eva-Maria Korek, Reva Teotia, David Herbig and Ralf Brederlow
Biosensors 2024, 14(5), 241; https://doi.org/10.3390/bios14050241 - 10 May 2024
Viewed by 1709
Abstract
Electrochemical impedance spectroscopy (EIS) is becoming more and more relevant for the characterization of biosensors employing interdigitated electrodes. We compare four different sensor topologies for an exemplary use case of ion sensing to extract recommendations for the design optimizations of impedimetric biosensors. Therefore, [...] Read more.
Electrochemical impedance spectroscopy (EIS) is becoming more and more relevant for the characterization of biosensors employing interdigitated electrodes. We compare four different sensor topologies for an exemplary use case of ion sensing to extract recommendations for the design optimizations of impedimetric biosensors. Therefore, we first extract how sensor design parameters affect the sensor capacitance using analytical calculations and finite element (FEM) simulations. Moreover, we develop equivalent circuit models for our sensor topologies and validate them using FEM simulations. As a result, the impedimetric sensor response is better understood, and sensitive and selective frequency ranges can be determined for a given sensor topology. From this, we extract design optimizations for different sensing principles. Full article
(This article belongs to the Special Issue Electrochemical Impedance Spectroscopy and Its Sensing Applications)
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