Abstract

Pd–Fe3O4@C hybrid nanoparticles with 10 nm Pd nanocrystals deposited on the surface of 120 nm Fe3O4@C core–shell nanospheres have been prepared by the adsorption Pd2+ ions onto the surface of Fe3O4@C nanospheres with highly negative charges and followed by reduction of Pd2+ ions with ethanol at 60 °C. The heterodimer nanocrystals were completely recoverable under an external magnetic field, reused 10 times, and showed excellent activity in various Suzuki coupling reactions at room temperature.

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