In situ combination of electrochemical quartz crystal microbalance and visible-near infrared spectroscopy (cyclic Vis-NIR spectroelectrogravimetry) and a combination of electrochemical impedance spectroscopy and mass impedance spectroscopy (ac-electrogravimetry) were employed.
Electrochemical and optical properties of the dyes were studied by cyclic voltammetry, UV-vis absorption and fluorescence spectroscopy.
The oxidative doping process of this polymer was studied by means of cyclic voltammetry, UV-vis-NIR optical absorption, Raman scattering and Electron Paramagnetic Resonance (EPR).
The active layers were investigated by electrochemical techniques (cyclic voltammetry, UV-Vis-NIR spectroelectrochemistry, Electron Paramagnetic Resonance (EPR) spectroelectrochemistry and Dynamic Electrochemical Impedance Spectroscopy (DEIS)) to characterize the layers, charge carriers, and electronic energy levels.
Electrochemical impedance analysis together with the spectroelectrochemical (cyclic voltammetry + Vis-Near IR spectroscopy) makes possible to throw light on the mechanistic model of the electrochemical reaction of these polymers taking into account the coupled electronic/ionic transports, the trapped polarons (pinning model), structural configurations and inner water molecules.
A copolymer of anti-5,15-bis([2′,2″:5″,2″′-terthiophene]-3″-yl -2,8,12,18-tetra-n-butyl-3,7,13,17-tetramethylporphyrin (1) with 2,2′:5″,2″′-terthiophene]-3″-yl -2,8,12,18-tetra-n-butyl-3,7,13,17-tetramethylporphyrined by cyclic voltammetry, UV-Vis spectroscopy, four-point probe conductivity measurement, and scanning electron microscopy.
Retarded crack growth rates in the laminates leading to their enhanced fatigue lives and higher cyclic fracture toughness values vis-à-vis plain specimens substantiate fiber bridging effect in the laminates.
The Gr/CuPc/PANI nanocomposites were characterized by scanning electron microscopy (SEM), UV-vis spectroscopy, cyclic voltammetry (CV) and amperometry.
These polymers were characterized in terms of their spectroelectrochemical and electrochemical properties by cyclic voltammetry and UV-Vis-NIR spectroscopy.
Their redox reaction was investigated with both cyclic voltammetry and UV-vis spectrophotometry at wide temperature from 30 to 160°C.
The monomers were electrochemically polymerized and the resultant polymers were characterized with cyclic voltammetry and UV-vis-NIR spectroscopy techniques.
