Research Article

Hollow Mesoporous Silica Supported Ruthenium Nanoparticles: A Highly Active and Reusable Catalyst for H2 Generation from the Hydrolysis of NaBH4

Figure 3

Plots of survey XPS (a) and high-resolution XPS at the Ru 3d (b) for the as-prepared Ru/HMS catalyst. The two vertical lines indicate the peak positions of Ru and Ru-O, respectively.
(a)
(b)