fig1
From: Fluorine-doped titanium dioxide nanorod arrays for efficient photoelectrochemical water splitting

Figure 1. The typical preparation process of the F-T photoanode. TBOT: Tetrabutyl titanate; TNRS: TiO2 nanorod sample; FTO: flourine-doped tin oxide; F-T: F-doped TiO2 nanorods.