Evaluation of a High Conductivity TiO2/Ag Fibrous Electrode with EIS measurements

Electrochemical impedance spectroscopy (EIS) was used to evaluate a high conductivity TiO2/Ag Fibrous electrode fabricated by the Electrophoretic Deposition (EPD) Method. TiO2 deposited on a membrane of Ag fibers was prepared as a photoelectrochemical cell electrode. TiO2 photocatalyst layers were grown on the fibers by electrophoretic deposition of TiO2 nanoparticles. Ag fibers could be uniformly deposited. Electrochemical impedance spectroscopy (EIS) under UV illumination demonstrate that Ag fibers act as a good substrate that provides both high surface area and good separation of photogenerated electron-hole pairs and causes the enhancement of photocatalytic activity in comparison with a thin film of TiO2.

کلیدواژه ها:

TiO2 ، Ag fibers ، EIS ، EPD