Hybrid Polymer-Immobilized Nanosized Pd Catalysts for Hydrogenation Reaction Obtained via Frontal Polymerization

Figure 12

X-ray photoelectron spectra of poly-PdAAm/SiO₂: after the hydrogenation of p-nitrotoluene (a) and 2,4-dinitrotoluene (b).

(a)

(b)