Fig. 5From: Preparation and Enhanced Catalytic Hydrogenation Activity of Sb/Palygorskite (PAL) Nanoparticles a UV–vis absorption spectra of p-nitrophenol aqueous in the presence of 9.7% Sb/PAL composites catalyst, b catalytic activities of different sample, and c the recyclability of the 9.7% Sb/PAL hybrid compositesBack to article page