EQCM method

The electrochemical quartz crystal microbalance (EQCM) method was first used to study underpotential deposition in 1988 for Pb, Bi, Cu,... 

The EQCM method is used to evaluate the processes that occur in/on the palladium electrode in acid and basic solutions. It was concluded that hydrogen electrosorption in palladium is accompanied by an additional frequency shift of... 

This effect created significant problems with the objective estimation of the amount of sorbed hydrogen inside the palladium electrode using the EQCM method. 

The electrodeposition of Zn-Sn alloys was studied using the EQCM method [440]. The influence of electrolyte composition on the Zn-Sn alloys properties was investigated and discussed [440-442]. 

Electrochemical quartz-crystal microbalance (EQCM) methods (which allow for high-precision measurements of mass changes during the course of polymerization and doping) are very effective for discriminating between counter-ion and co-ion fluxes and fluxes of solvent molecules, when combined with simultaneous CV measurements. 

The shortcomings of EQCM methods in investigating ion exchange processes were somewhat compensated by the probe beam deflection technique [248]. This technique is based on the measurement of the extent of deflection of a parallel laser beam passing over a polymer coated electrode surface at a very small distance. When there is an ion flux near the electrode... 

This EQCM method is based on the piazoelectric effect of thin quartz crystals (5-10 im thick). Two electrodes are deposited on two sides of the quartz ciystal... 

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