Reducing the resistance for the use of electrochemical impedance spectroscopy analysis in materials chemistry

Electrochemical impedance spectroscopy (EIS) is a highly applicable electrochemical, analytical, and non-invasive technique for materials characterization, which allows the user to evaluate the impact, efficiency, and magnitude of different components within an electrical circuit at a higher resolut...

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Bibliographic Details
Published in:RSC advances Vol. 11; no. 45; pp. 27925 - 27936
Main Authors: Laschuk, Nadia O, Easton, E. Bradley, Zenkina, Olena V
Format: Journal Article
Language:English
Published: England Royal Society of Chemistry 18.08.2021
The Royal Society of Chemistry
Subjects:
capacitance
Chemistry
Circuits
corrosion
Corrosion tests
Design of experiments
dielectric spectroscopy
Dye-sensitized solar cells
electrochemical capacitors
Electrochemical impedance spectroscopy
electrochemistry
electronic circuits
experimental design
Graphical representations
instrumentation
mass transfer
Mass transport
Photovoltaic cells
Physical properties
Self-assembled monolayers
Self-assembly
Surface reactions
voltammetry
ISSN:2046-2069, 2046-2069
Online Access:Get full text
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Description
Summary:Electrochemical impedance spectroscopy (EIS) is a highly applicable electrochemical, analytical, and non-invasive technique for materials characterization, which allows the user to evaluate the impact, efficiency, and magnitude of different components within an electrical circuit at a higher resolution than other common electrochemical techniques such as cyclic voltammetry (CV) or chronoamperometry. EIS can be used to study mechanisms of surface reactions, evaluate kinetics and mass transport, and study the level of corrosion on conductive materials, just to name a few. Therefore, this review demonstrates the scope of physical properties of the materials that can be studied using EIS, such as for characterization of supercapacitors, dye-sensitized solar cells (DSSCs), conductive coatings, sensors, self-assembled monolayers (SAMs), and other materials. This guide was created to support beginner and intermediate level researchers in EIS studies to inspire a wider application of this technique for materials characterization. In this work, we provide a summary of the essential background theory of EIS, including experimental design, signal responses, and instrumentation. Then, we discuss the main graphical representations for EIS data, including a scope of the foundation principles of Nyquist, Bode phase angle, Bode magnitude, capacitance and Randles plots, followed by detailed step-by-step explanations of the corresponding calculations that evolve from these graphs and direct examples from the literature highlighting practical applications of EIS for characterization of different types of materials. In addition, we discuss various applications of EIS technique for materials research. This manuscript highlights a beginner-to-intermediate level scope of electrochemical impedance spectroscopy (EIS), which is an indispensable, non-destructive electrochemical technique that can be applied for materials characterization.
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ISSN:2046-2069
2046-2069
DOI:10.1039/d1ra03785d