Polydopamine functionalized graphene sheets decorated with magnetic metal oxide nanoparticles as efficient nanozyme for the detection and degradation of harmful triazine pesticides

References

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1006Polydopamine functionalized graphene sheets decorated with magnetic metal oxide nanoparticles as efficient nanozyme for the detection and degradation of harmful triazine pesticideshttps://doi.org/10.1016/j.chemosphere.2020.129328Metal oxideHere, functionalization of graphene using dopamine has introduced several advantages and insights into this study. The Fe3O4 nanoparticles decorated functionalized rGO sheets (FDGs) nanozymes are characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), high-resolution transmission electron microscopy (HRTEM), Raman spectroscopy, atomic force microscopy (AFM), thermogravimetric (TGA) and vibrating sample magnetometer (VSM) analysis. FDGs nanozymes exhibits dual characteristics towards detection and degradation of harmful simazine pesticide.

Materials

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Kinetics

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1006FDG-20PODH2O24300.089mM5.55-8M/s1006
1006V4O7OXDquercetin4.2250.08mM232.6μM/min1.95-11/s1006
1006V4O7OXDTMB0.39mM1.11-7M/s1006
1006Fe-HCl-NH2-UiO-66 NPsPODH2O23.48mM4.55-7M/s1006

Applications

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1006Fe3O4/DGdetection and degradation of harmful triazine pesticides2.24μM