Research Electrochemistry

Research Electrochemistry -Physechem Research

Physical Electrochemistry Techniques

The Applications and Technical Notes below cover, broadly, "electrochemistry" from what a potentiostat is to advanced physical electrochemistry techniques.  Click on a link below to download the PDF version of the Application or Technical Note.

 

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Complete List Research Electrochemistry Application Notes »

The Principles of QCM-I

Posted by Susan Shultz on April 18, 2019

Quartz Crystal Microbalance with Impedance Analysis

The Quartz Crystal Microbalance is a well-established and sensitive technique used to measure the interactions of molecules, polymers and biological assemblies with a sensor surface, in air or liquid, label-free and in real time. It is based on the change in resonant frequency of a quartz crystal sensor when it is covered with a thin film or liquid.

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Integrating CVs: How and Why

Posted by Susan Shultz on April 15, 2019

Cyclic voltammetry (CV) is a useful technique for extracting qualitative kinetic data from an electrochemical reaction. Various peaks appear in a CV dataset: each peak corresponds to a particular electrochemical process, and the height of the peak is related to the concentration of the analyte.

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Understanding Polymer Multilayer Deposition Processes

Posted by gamry on November 30, 2018

Combining QCM-I and OWLS Measurements to Understand Polymer Multilayer Deposition Processes using OWLS and Quartz Crystal Microbalance with Impedance (QCM-I).

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Measurement of Protein and Nano-Particle Adsorption using QCM-I

Posted by gamry on November 30, 2018

QCM-I is a powerful technique for measuring the adsorption or binding of polymers, proteins, nano-particles and other molecules to a surface. Multi-parametric data is obtained in real time, detailing changes of the hydrated mass and rigidity of layers coupled to the sensor surface.

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Measurement of Polymer Multilayer Deposition using QCM-I

Posted by gamry on November 30, 2018

The electrostatically driven adsorption of polymer and nano-particle multilayers is a well-established method for the physical and chemical transformation of surfaces to produce highly tailored and often “smart”, environmentally sensitive interfaces.

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Supercapacitor using an EQCM

Posted by gamry on January 26, 2017

Supercapacitors using an EQCM: Supercapacitors have high charge/discharge rates, long cycle life, operate over a large temperature range and have a low cost-per-cycle. (EQCM) is a Quartz Crystal Microbalance that has been interfaced to a potentiostat such that one of the crystal faces is used as a working electrode.

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Tracking Biofilms Using an Electrochemical Quartz Crystal Microbalance

Posted by gamry on January 11, 2016

This Application Note deals specifically with bacterial biofilms that convert chemicals to electrical current on electrodes. Because of this function, we refer to them as electrochemically active biofilms (EABs).

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Dye Solar Cells – Part 3: IMPS and IMVS Measurements

Posted by gamry on July 24, 2015

Intensity modulated photocurrent spectroscopy (IMPS) and intensity modulated photovoltage spectroscopy (IMVS) can offer valuable information about dye solar cells (DSCs).

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Dye Solar Cells – Part 2: Impedance Measurements

Posted by gamry on June 16, 2015

This application note is part 2 and deals with electrochemical impedance spectroscopy (EIS) measurements on dye solar cells.

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DSSC: Dye Sensitized Solar Cells

Posted by gamry on February 26, 2015

This application note is part of a series concerning dye solar cells. This series discusses basic principles of dye solar cells, their setup, and underlying electrochemical mechanisms.

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