Figure 2

Photocatalyst nanoparticles. (a–d) HAADF-STEM images of the photocatalysts. (e, f) STEM-EDS elemental mapping images for (e) Ti and (f) Cu.
Photocatalyst nanoparticles. (a–d) HAADF-STEM images of the photocatalysts. (e, f) STEM-EDS elemental mapping images for (e) Ti and (f) Cu.