Size-dependent anodic dissolution of water-soluble palladium nanoparticles

Ashok Kumar, Daniel Buttry

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


2,2′-Bicinchoninic acid-capped palladium nanoparticles (Pd-BCA NPs) were synthesized using a one-pot chemical reduction route. Monodisperse Pd-BCA NPs of different size ranges were obtained using a purification technique employing low molecular weight cutoff centrifuge filters. Size-dependent anodic dissolution of Pd-BCA NPs was studied in 0.1 M HClO4 containing 10 mM NaCl. Experimental data were shown to be in excellent agreement with theoretical values calculated using the Plieth model. For Pd NPs with 1.0 nm diameter, the oxidation was shifted to less positive potentials by over a third of a volt, representing substantial destabilization of the NP due to its small size.

Original languageEnglish (US)
Pages (from-to)26783-26789
Number of pages7
JournalJournal of Physical Chemistry C
Issue number50
StatePublished - Dec 19 2013

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films


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