Photocatalytic and Photoelectrochemical Water Splitting on TiO₂ via Photosensitization

Figure 8

Energy diagram of the Au NR-loaded TiO₂ photoelectrode system. and exhibit the flat band potential of TiO₂ and the redox potentials versus reversible hydrogen electrode, respectively. The symbols [−] and [+] indicate the electron and the hole, respectively. Reprinted with permission from [6]. Copyright 2013, Nature Publishing Group.