Morphology, structure, optical property and photoelectrochemical property of TiO2 nanoflower films synthesised via liquid phase deposition technique

This reported study was concerned with the synthesis of TiO₂ nanoflowers as a photovoltaic material of the photoelectrochemical cell (PEC) via the phase liquid deposition technique. It highlighted the effect of the growth time on the morphology of TiO₂ samples. Three growth times were chosen, namely 2, 4 and 6 h. The morphology was examined by scanning electron microscopy (SEM). The nanoflowers´ morphology of the TiO₂ sample grown for 4 h was then chosen to be characterised by cross-sectional SEM, X-ray diffraction, ultraviolet-visible and photoelectrochemical measurement. The sample was crystalline with anatase phase. The sample showed the strongest absorption at 330 nm. The TiO₂ nanoflowers PEC demonstrated the J_sc and V_oc of 0.046 mAcm^-2 and 0.26 V, respectively.