There was no Br 3d peak in the fresh GO@PPD–Pd spectrum; then, the peak at 68.8 eV exhibited an increasing trend at first, weakening with the progression of the reaction ( Fig. 14a ), indicating the adsorption of bromo-toluene on the catalyst surface.
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Pd-Pd/PdO as active sites on intercalated graphene oxide modified by diaminobenzene: fabrication, catalysis properties, synergistic effects, and catalytic mechanism.
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