Palladium-based nanomaterials with high surface areas have been receiving great attention due to their unique
properties, which enable a number of impressive applications in catalysis, fuel cells, hydrogen storage and chemical
sensors. Recent studies have shown that the electrocatalytic performance of Pd-based nanomaterials is highly dependent
on the composition, morphology and surface conditions of the synthesized materials. In this study, a variety of Pd-based
nanostructured materials including nanoporous Pd networks and PdPt nanodendrites with different compositions have
been synthesized using the hydrothermal method. The as-fabricated Pd-based nanostructured materials were
characterized by scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS. The
electrochemical properties of these Pd-based nanomaterials were studied using cyclic voltammetry and in-situ
electrochemical infrared spectroscopy. Our studies have shown that the fabricated Pd-based nanostructures possess a
very large surface area and high catalytic activity towards the electrochemical oxidation of formic acid. In addition, this
work has demonstrated that in-situ electrochemical infrared spectroscopy is a powerful technique for the study of the
nanostured interface.
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