Fig. 4
From: Mapping surface-modified titania nanoparticles with implications for activity and facet control

Morphology of TiO2 samples after different treatments. TEM images of TiO2 samples after a–c NaOH wash: a Na-PD, b Na-(101) and c Na-(001) and d–f after calcination treatment: d Cal-PD, e Cal-(101) and f Cal-(001). The scale bar in all images is 50 nm