Abstract
• A new family of high surface area phosphosilicat nanosheet (FPS) with fibrous morphology was prepared. • [Ru(DMSO) 4 Cl 2 ] complex over triazole functionalized FPS. • FPS/Ligand/Ru was characterized and employed as photocatalytic for reduction of CO 2 . • This system could be considered as perfect nanocatalyst by using the host–guest approach. In this work we report the design and synthesis of high-surface-area nanocatalysts by reaction between tripolyphosphate (TPP) and tetraethyl orthosilicate (TEOS) and then the complex ruthenium acetate anchored over the click modified ligand of fibrous phosphosilicate (FPS), forms a new highly efficient nano catalyst that shows excellent catalytic performance within CO 2 reduction to formate under visible-light irradiation. The FPS/Ligand/Ru nanocatalyst was thoroughly characterized by Fourier transform infrared spectra (FTIR), Powder X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), Transmission electron microscopy (TEM), Energy dispersive X-ray spectroscopy (EDX), and N 2 adsorption/desorption study.
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