fig2
From: Fluorine-doped titanium dioxide nanorod arrays for efficient photoelectrochemical water splitting
Figure 2. SEM images of (A) pristine TNRS photoanode; (B) 0.01F-T photoanode; (C) 0.05F-T photoanode; and (D) 0.1F-T. SEM: Scanning electron microscopy; TNRS: TiO2 nanorod sample; F-T: F-doped TiO2 nanorods.
