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...

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.

An experimental verification of the possible influence of gas nano-bubbles on the response of an electrochemical quartz crystal microbalance

2005 ◽  
Vol 7 (8) ◽  
pp. 1830 ◽  
Author(s):  
Vladimir Tsionsky ◽  
Alexander KaverinSt Petersburg University, Ch ◽  
Leonid Daikhin ◽  
Galina Katz ◽  
Eliezer Gileadi
Keyword(s):  
Quartz Crystal Microbalance ◽  
Experimental Verification ◽  
Quartz Crystal ◽  
Electrochemical Quartz Crystal Microbalance
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