The present invention relates to a method for manufacturing Pd/Fe_3O_4/C catalyst, comprising the steps of forming amorphous Pd/Fe-C composite by impregnating Fe(NO_3)_39H_2O and Pd(NO_3)_22H_2O in a porous carbon mold frame with use of a melt-infiltration process (MIP); and turning the composite into plastic at an inert atmosphere and accordingly forming palladium and Fe_3O_4 nanoparticles supported by the porous carbon mold frame, a catalyst manufactured by the method and a manufacturing method of biaryl by using the catalyst.
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