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A Simple Method for Producing Colloidal Palladium Nanocrystals: Alternating Voltage-Induced Electrochemical Synthesis

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Alternating voltage-induced electrochemical synthesis (AVIES) produces well-dispersed, size-controlled, single-crystalline, colloidal palladium nanocrystals (Pd-NCs). An alternating voltage is applied to two Pd wires inserted in an electrolyte solution containing capping ligands. Pd-NCs are directly ejected from the Pd electrodes through cathodic reduction of the PdO intermediates. The obtained Pd-NCs are soluble in either polar or non-polar solvents, depending on the selected capping ligands.

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