Abstract
To meet tomorrow’s demand of cheap, environment friendly and renewable hydrogen, the industries must find new ways of producing it. One solution, with a high potential, is extracting hydrogen by direct splitting of water using solar energy. This study deals with photoelectrochemical splitting of water by using nanostructured ZnO and Fe-ZnO thin films as a working photoelectrode. ZnO and Fe-ZnO films were synthesized by sol-gel spin coating method and were characterized for formed crystalline phase by XRD analysis, band gap energy by spectrometric measurement and surface topography by AFM analysis. Subsequently, these were used as working electrode in PEC cell in conjunction with a platinum counter electrode, saturated calomel reference electrode and 150 W Xenon Arc Light Source for illumination, and PEC current densities were recorded, using aqueous solution of NaOH and KOH.
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