Electrochemical quartz crystal impedance system (EQCIS) which allows in situ dynamic quartz crystal impedance measurement in an electrochemical experiment was developed by combining an HP 4395A Network/Spectrum/Impeda...Electrochemical quartz crystal impedance system (EQCIS) which allows in situ dynamic quartz crystal impedance measurement in an electrochemical experiment was developed by combining an HP 4395A Network/Spectrum/Impedance analyzer with an EG&G M283 potentiostat. Equivalent circuit parameters of crystal resonance change significantly during electrodeposition and dissolution of copper in 0.1 mol/L H2SO4 aqueous solution in a cyclic potential sweep experiment, which is explained with an overall picture of mass loading, solution density and viscosity, etc..展开更多
In this letter. we report that oxidation of 4-aminothiophenol self-assembled monolayeron An electrode produces a couple of redox current peaks with close peak potentials in 0.5 mol/LHCIO4 aqueous solution, and the pea...In this letter. we report that oxidation of 4-aminothiophenol self-assembled monolayeron An electrode produces a couple of redox current peaks with close peak potentials in 0.5 mol/LHCIO4 aqueous solution, and the peaks are ascribed to an electroactive monolayer.Electrochemical properties of the monolayer polymer were investigated with use ofelectrochemical quartz crystal microbalance and cyclic voltammetry.展开更多
文摘Electrochemical quartz crystal impedance system (EQCIS) which allows in situ dynamic quartz crystal impedance measurement in an electrochemical experiment was developed by combining an HP 4395A Network/Spectrum/Impedance analyzer with an EG&G M283 potentiostat. Equivalent circuit parameters of crystal resonance change significantly during electrodeposition and dissolution of copper in 0.1 mol/L H2SO4 aqueous solution in a cyclic potential sweep experiment, which is explained with an overall picture of mass loading, solution density and viscosity, etc..
文摘In this letter. we report that oxidation of 4-aminothiophenol self-assembled monolayeron An electrode produces a couple of redox current peaks with close peak potentials in 0.5 mol/LHCIO4 aqueous solution, and the peaks are ascribed to an electroactive monolayer.Electrochemical properties of the monolayer polymer were investigated with use ofelectrochemical quartz crystal microbalance and cyclic voltammetry.
