Electrodeposition of Pd nanowires and nanorods on carbon nanoparticles

Authors

  • Stoyan Bliznakov Chemistry Department, Brookhaven National Laboratory, Upton, NY 11973
  • Miomir Vukmirovic Chemistry Department, Brookhaven National Laboratory, Upton, NY 11973
  • Eli Sutter Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973
  • Radoslav Adzic Chemistry Department, Brookhaven National Laboratory, Upton, NY 11973

DOI:

https://doi.org/10.20450/mjcce.2011.67

Keywords:

Pd electrodeposition on carbon, Pd nanowires, Pd nanorods, surfactant-mediated 1D growth, Pt monolayer electrocatalysts

Abstract

We report on the method for synthesizing palladium nanowires and nanorods involving the electrodeposition on oxidized amorphous carbon nanoparticles from chloride containing solutions. The effect of the deposition overpotential and the concentration of palladium ions on the morphology of the Pd electrodeposits have been established. Palladium grows predominately in the shape of nanowires if electrodeposited at potentials in the H underpotential deposition potential (UPD) range, where chloride ions are adsorbed only at the edges of nucleated monolayer-thick clusters on the carbon surface. The effect of the concentration of palladium ions on deposits’ morphology is also discussed. The mechanism of electrodeposition of Pd nanowires and nanorods in the H UPD potential range has been proposed.

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Published

2011-06-15

How to Cite

Bliznakov, S., Vukmirovic, M., Sutter, E., & Adzic, R. (2011). Electrodeposition of Pd nanowires and nanorods on carbon nanoparticles. Macedonian Journal of Chemistry and Chemical Engineering, 30(1), 19–27. https://doi.org/10.20450/mjcce.2011.67

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Section

Electrochemistry