Fabrication of TiO2 Nanofilm Photoelectrodes on Ti Foil by Ti Ion Implantation and Subsequent Annealing
Figure 4
XPS spectrum of Ti 2p in the TiO2 formed by Ti implanted into Ti foil and subsequent annealing at 400 (a), 500 (b), 600 (c), and 700°C (d) for 6 hours in oxygen atmosphere, respectively.