The synthesis and characterization of a magnetic histidine Schiff base palladium complex and its efficiency investigation in the nitroarene pollutants reduction and dyes degradation

Abstract

AbstractAt first, we prepared the chloropropyl‐modified Fe3O4@SiO2 nanoparticles and functionalized it with imidazole‐2carbaldehyde to provide an aldehyde functional group for the Schiff base formation with histidine amino acid. The nitrogen atoms of imidazole cycles, –C=N bonds, and –COOH groups of histidine could act as proper coordination positions for palladium complex formation. The obtained magnetic histidine Schiff base palladium complex (Fe3O4@SiO2@Im‐His@Pd) was characterized by fourier transform infrared (FT‐IR), field‐emission scanning electron microscopy (FE‐SEM), energy dispersive X‐ray (EDX), X‐ray diffraction (XRD), vibrating sample magnetometer (VSM) and inductively coupled plasma‐optical emission spectrometry (ICP‐OES) analysis. The prepared nanocomposite has shown good efficiency in the reduction of nitroarenes and dyes degradation under mild conditions at room temperature in short reaction times.