Figure 2From: Porous-ZnO-Nanobelt Film as Recyclable Photocatalysts with Enhanced Photocatalytic Activitya SEM image of the porous ZnO nanobelts on Si substrate. The scale bar is 500 nm. b TEM image of a single porous ZnO nanobelt. The inset is HRTEM of several ZnO nanoparticles. The scale bar is 50 nm. c TEM image of a single solid ZnO nanobelt. The inset is SAED. The scale bar is 500 nmBack to article page