Photoelectrochemical Properties of Fe_𝟐O_𝟑 Supported on TiO₂-Based Thin Films Converted from Self-Assembled Hydrogen Titanate Nanotube Powders

Figure 1

SEM surface images of Fe oxide and TiNT films coated on the FTO substrate; (a) FTO film, (b) Fe oxide (Fe2O3 = 27.16 wt%)/FTO film, (c) Fe oxide (Fe2O3 = 100 wt%)/FTO film, and (d) H-TiNT/FTO film, which were heat-treated at 500°C for 10 min in air.