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Addressed herein, a robust methodology to generate monodisperse Pt/Rh@GO nanocomposites and their adsorption performances have been reported to clean methylene blue (MB) from the aqueous mixtures. The monodisperse Pt/Rh@GO nanocomposites were produced by the ultrasonic double solvent reduction method. Their characterization was performed by X‐ray photoelectron spectroscopy (XPS), X‐ray diffraction (XRD), high‐resolution transmission electron microscopy (HR‐TEM) and transmission electron microscopy (TEM). The mechanism of MB adsorption was explored in aqueous solutions. The adsorbtion findings revealed that the Pt/Rh@GO nanocomposites are highly effective adsorbents for MB removal offering 346.79 mg/g as the one of the record adsorption capacity. 40 minutes was observed as the equilibrium time for MB adsorption. More than that, they are reusable as they promise cleaning MB from MB‐contaminated waters maintaining 97.83 % of their initial efficacy after six sequential cycles of adsorption‐desorption.

Monodispersed PdCo@PVP NPs showed record catalytic activity, giving the best catalytic performance yet with a very high turnover frequency.

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