High-Sensitivity Dual Electrochemical QCM for Reliable Three-Electrode Measurements.

ABSTRACT: An electrochemical quartz crystal microbalance (EC-QCM) is a versatile gravimetric technique that allows for parallel characterization of mass deposition and electrochemical properties. Despite its broad applicability, simultaneous characterization of two electrodes remains challenging due to practical difficulties posed by the dampening from fixture parasitics and the dissipative medium. In this study, we present a dual electrochemical QCM (dual EC-QCM) that is employed in a three-electrode configuration to enable consequent monitoring of mass deposition and viscous loading on two crystals, the working electrode (WE) and the counter electrode (CE). A novel correction approach, along with a three standard complex impedance calibration, is employed to overcome the effect of dampening while

SUBMITTER: Toth D 

PROVIDER: S-EPMC8068083 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature