The electrodeposition of palladium from palladium(II) acetylacetonate (Pd(acac)2) was investigated in an ionic liquid, 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide at room temperature. Potentiostatic cathodic reduction was conducted using a glassy carbon electrode at - 2.0 V vs. Ag/Ag(I). Metallic palladium was deposited on the electrode and palladium nanoparticles were observed with dispersed state in the ionic liquid. The mean particle size of the obtained palladium nanoparticles was 2.8 ± 0.6 nm.
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