Research Article
Nano-Polyoxotungstate [Cu20P8W48] Immobilized on Magnetic Nanoparticles as an Excellent Heterogeneous Catalyst Nanoreactors for Green Reduction of Nitrophenol Compounds
Figure 14
FT-IR spectrum of fresh and used [Fe3O4@SiO2-NH2-Cu20P8W48] after eight cycles in the reduction of 4-NP.