Kinetics of viscoelasticity in the electric double layer following steps in the electrode potential studied by a fast electrochemical quartz crystal microbalance (EQCM)

The Analyst ◽  
2021 ◽  
Author(s):  
Christian Leppin ◽  
Astrid Peschel ◽  
Frederick Sebastian Meyer ◽  
Arne Langhoff ◽  
Diethelm Johannsmann
Keyword(s):  
Double Layer ◽  
Quartz Crystal Microbalance ◽  
Electric Double Layer ◽  
Electrode Potential ◽  
Quartz Crystal ◽  
Electrochemical Quartz Crystal Microbalance ◽  
Kinetics Of ◽  
Viscosity Changes

A fast EQCM measures the kinetics of the viscosity changes inside the double layer following voltage jumps.

scholarly journals In situ NMR and electrochemical quartz crystal microbalance techniques reveal the structure of the electrical double layer in supercapacitors

2015 ◽  
Vol 14 (8) ◽  
pp. 812-819 ◽  
Author(s):  
John M. Griffin ◽  
Alexander C. Forse ◽  
Wan-Yu Tsai ◽  
Pierre-Louis Taberna ◽  
Patrice Simon ◽  
...  
Keyword(s):  
Double Layer ◽  
Quartz Crystal Microbalance ◽  
Electrical Double Layer ◽  
Quartz Crystal ◽  
Electrochemical Quartz Crystal Microbalance ◽  
In Situ Nmr

Fast and Slow EQCM Response of Zwitterionic Weak Electrolytes to Changes in the Electrode Potential: A pH-Mediated Mechanism

The Analyst ◽  
2021 ◽  
Author(s):  
Christian Leppin ◽  
Arne Langhoff ◽  
Hanna-Friederike Poggemann ◽  
Alexander Simon Gödde ◽  
Diethelm Johannsmann
Keyword(s):  
Resonance Frequency ◽  
Quartz Crystal Microbalance ◽  
Electrode Potential ◽  
Quartz Crystal ◽  
Electrochemical Quartz Crystal Microbalance ◽  
Weak Electrolytes

Using a fast electrochemical quartz crystal microbalance (EQCM), zwitterionic electrolytes were studied with regard to changes of resonance frequency and resonance bandwidth after the electrode potential was switched. In addition...

scholarly journals Weighing the surface charge of an ionic liquid

Nanoscale ◽  
2015 ◽  
Vol 7 (38) ◽  
pp. 16039-16045 ◽  
Author(s):  
Nicklas Hjalmarsson ◽  
Daniel Wallinder ◽  
Sergei Glavatskih ◽  
Rob Atkin ◽  
Teodor Aastrup ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Surface Charge ◽  
Double Layer ◽  
Quartz Crystal Microbalance ◽  
Electrode Surface ◽  
Electrical Double Layer ◽  
Gold Electrode ◽  
Quartz Crystal ◽  
Electrochemical Quartz Crystal Microbalance

Electrochemical quartz crystal microbalance has been used to measure changes in the composition of the capacitive electrical double layer for 1-ethyl-3-methylimidazolium tris(pentafluoroethyl)-trifluorophosphate, an ionic liquid, in contact with a gold electrode surface as a function of potential.

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