Fig. 2From: Enhanced Patterned Cocatalyst TiO2/Fe2O3 Photoanodes for Water-Splittinga SEM image of silicon wafer prepared using etching method. b Soft stamp made using silicon wafer with inverse pillar structure. c Photos captured with and without light irradiation. d–e SEM image under different magnifications and angles. f Cross-sectional image of electrode surface of TiO2/Fe2O3 ordered patterned photoanodeBack to article page