Effect of growth fluid concentration on characteristics of CeO2 nanorods and WO3/CeO2 nanostructured hybrid films for electrochromic applications

In this study, cerium oxide nanorods were synthesized on fluorine-doped tin oxide-coated glass substrate using a hydrothermal process at different growth fluid concentrations varying from 0.01 M to 0.05 M and characterized. A nanostructured WO3/CeO2 hybrid films were formed by depositing tungsten oxide on cerium oxide nanorods by Direct current (DC) magnetron sputtering process at a partial pressure of oxygen (PaO2) 8 x 10(-4) mbar and analyzed its structural, morphological, optical, and electrochemical properties by X-ray diffraction, scanning electron microscope, EDX, and UV spectroscopy techniques. The electrochromic properties were studied by developing a three-electrode electrochemical cell with WO3/CeO2 nanostructured hybrid film as a working electrode and observed improvement in the electrochromic properties of WO3/CeO2 nanostructured hybrid film developed at various growth fluid concentration for growing cerium oxide nanorods.