Electronic Properties of TiO₂ Nanoparticles Films and the Effect on Apatite-Forming Ability

Figure 8

SEM images after immersion in SBF solution for 1 week. Titanium discs with (a) turned surface (TS) and (b)–(d) coated surfaces with 8 nm (TS + 8 nm), 22 nm (TS + 22 nm), and P25 (TS + P25) particles. (e) Shows turned surface treated with oxalic acid and diluted hydrofluoric acid (TS + AT-I).

(a)

(b)

(c)

(d)

(e)