Electrochemical Impedance Spectroscopy

Viewing posts in category: Electrochemical Impedance Spectroscopy

Basics of Electrochemical Impedance Spectroscopy

Posted by gamry on April 17, 2018

This tutorial presents an introduction to Electrochemical Impedance Spectroscopy (EIS) theory and has been kept as free from mathematics and electrical theory as possible

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Waveform Generation and Frequency Resolution

Posted by Dominik on August 25, 2016

This Technical Note outlines how waveform signals are generated with a potentiostat. Further, the term “frequency resolution” is discussed which is often mentioned in specification sheets for potentiostats.

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Determination of the correct value of Cdl from the impedance results fitted by the commercially available software

Posted by gamry on March 11, 2015

With the introduction of a constant phase element (CPE) as a replacement for the capacity in EIS measurements, most of the experimentally obtained results could be fitted by commercially available software.

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How Cabling and Signal Amplitudes Affect EIS Results

Posted by gamry on August 12, 2014

Accuracy Contour Plot (ACP) describe a region of accuracy over a given range of impedances and frequencies under a defined set of conditions.

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Raman Spectroscopy

Posted by gamry on January 6, 2014

This application note discusses Raman spectroscopy and its combination with electrochemical techniques.

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Low-impedance EIS at its Limits: Gamry Reference 30k Booster

Posted by gamry on August 2, 2013

This Application Note describes measurement of very small impedances using Electrochemical Impedance Spectroscopy (EIS).

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