An Introduction to Electrochemical Impedance Spectroscopy

Ramanathan, Surash; Fasmin, Fathima

doi:10.1201/9781003127932

Cited by 33 publications

(32 citation statements)

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“…A number of books are available that provide a general treatment of impedance spectroscopy. Derivations of mechanistic models for impedance spectroscopy are presented by Lasia, Orazem and Tribollet, Barsoukov and Macdonald, and Srinivasan and Fasmin . Other books emphasize application to specific systems.…”

Section: Introductionmentioning

confidence: 99%

Impedance Analysis of Electrochemical Systems

2022

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Interpretation of impedance spectroscopy data requires both a description of the chemistry and physics that govern the system and an assessment of the error structure of the measurement. The approach presented here includes use of graphical methods to guide model development, use of a measurement model analysis to assess the presence of stochastic and bias errors, and a systematic development of interpretation models in terms of the proposed reaction mechanism and physical description. Application to corrosion, batteries, and biological systems is discussed, and emerging trends in interpretation and implementation of impedance spectroscopy are presented.

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Section: Introductionmentioning

confidence: 99%

Impedance Analysis of Electrochemical Systems

2022

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“…Electrochemical impedance spectroscopy (EIS) has been the subject of monographs and chapters in textbooks, e.g., [ 1 , 2 , 3 , 4 , 5 , 6 ], which present a wide variety of types of application. It can be used to investigate any system which exhibits interfacial electrical phenomena associated with chemical reactions, and the most common types of application at present are arguably evaluation of power sources (batteries, fuels cells, etc.)…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Impedance Spectroscopy in the Characterisation and Application of Modified Electrodes for Electrochemical Sensors and Biosensors

Brett

2022

Molecules

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Electrochemical impedance spectroscopy is finding increasing use in electrochemical sensors and biosensors, both in their characterisation, including during successive phases of sensor construction, and in application as a quantitative determination technique. Much of the published work continues to make little use of all the information that can be furnished by full physical modelling and analysis of the impedance spectra, and thus does not throw more than a superficial light on the processes occurring. Analysis is often restricted to estimating values of charge transfer resistances without interpretation and ignoring other electrical equivalent circuit components. In this article, the important basics of electrochemical impedance for electrochemical sensors and biosensors are presented, focussing on the necessary electrical circuit elements. This is followed by examples of its use in characterisation and in electroanalytical applications, at the same time demonstrating how fuller use can be made of the information obtained from complete modelling and analysis of the data in the spectra, the values of the circuit components and their physical meaning. The future outlook for electrochemical impedance in the sensing field is discussed.

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“…The closer the n value is to one, the more likely it is to exhibit the properties of an ideal capacitor. Graphically, the non‐ideal behavior of the system studied is evidenced by a depressed semicircle in the Nyquist plot in Figure 4 [32] . Another important element in the circuit is R2, which represents the Charge transfer resistance or Rct.…”

Section: Resultsmentioning

confidence: 99%

“…Graphically, the non-ideal behavior of the system studied is evidenced by a depressed semicircle in the Nyquist plot in Figure 4. [32] Another important element in the circuit is R2, which represents the Charge transfer resistance or Rct. It represents the energy barrier to interchange electrons that redox species experience due to electrostatic repulsion and steric hindrance within the assembly.…”

Section: Electrochemical Impedance Spectroscopymentioning

confidence: 99%

Chelating and Construction Effects on a Self‐Assembled Blend for Electrochemical Lead (II) Detection

2022

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This work presents a study of self‐assembled platforms of polyelectrolytes constructed by drop casting on screen‐printed electrodes for lead (II) sensing. Infrared characterization by attenuated total reflection (ATR) and electrochemical impedance spectroscopy (EIS) were carried out to evaluate the modification of the surface, its stability against treatment and the changes induced by the adsorption of lead cations. An equivalent circuit of the type R1 [R2 CPE1] CPE2 that explained the results for the actual surface modification was obtained. Linear correlations with lead concentration in the range of 0.5–2.5 mm were found by differential pulse voltammetry (DPV) and EIS techniques for solutions at pH 3. There was a particular concentration in which the presence of citrate increased the DPV reduction signal of lead while ethylenediaminetetraacetic acid (EDTA) diminished it.

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An Introduction to Electrochemical Impedance Spectroscopy

Cited by 33 publications

References 0 publications

Impedance Analysis of Electrochemical Systems

Impedance Analysis of Electrochemical Systems

Electrochemical Impedance Spectroscopy in the Characterisation and Application of Modified Electrodes for Electrochemical Sensors and Biosensors

Chelating and Construction Effects on a Self‐Assembled Blend for Electrochemical Lead (II) Detection

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