Fig. 1. XRD patterns of the WO₃ film and WO₃/Pt composite thin film

Fig. 2. SEM image of WO₃ film, WO₃/Pt composite film electrodeposited for different time and EDS spectrogram of WO₃/Pt-80 s composite filmsample

Fig. 3. Absorption spectra of WO₃/Pt-80s and WO₃ nano-rods film samples

Fig. 4. Photocurrent curve of WO₃/Pt composite films with Pt nanoparticles deposited at different times

Fig. 5. Photoelectrocatalytic curves of WO₃/Pt composite films with Pt nanoparticles deposited at different times

Fig. 6. Photoelectrocatalysis (PEC), photocatalytic (PC), electrocatalytic (EC) test curves of WO₃/Pt-80 s

Fig. 7. Three-time photoelectrocatalytic stability test curve of WO₃/Pt-80 s

Fig. 8. AC impedance graph of WO₃/Pt-80 s and WO₃ nanorod film samples

Fig. 9. Schematic illustration of photoelectrocatalysis mechanism of WO₃/Pt composite films