Research Article

Synthesis and Characterization of the Optical Properties of Pt-TiO2 Nanotubes

Figure 8

Schematic band diagrams among , anatase, and rutile interface of Pt-TNTs.
(a) and TiO2 semiconductor before being in contact
(b) being in contact with rutile and anatase, respectively
(c) being in contact with rutile and anatase, respectively