Research Article

Visible Light-Driven Gas-Phase Artificial Photosynthesis Reactions over Ruthenium Metal Nanoparticles Modified with Anatase TiO2

Figure 4

High-resolution XPS core-level spectra of (a) 100%Ru (Ru 3d), (b) 10%TiO2/Ru (Ru 3d), (c) 10%TiO2/Ru (Ti 2p), and (d) 10%TiO2/Ru (O 1s).
(a)
(b)
(c)
(d)