The effect of size on the oxygen electroreduction activity of mass-selected platinum nanoparticles

Francisco Pérez Alonso, David N McCarthy, Anders Nierhoff, Patricia Hernandez-Fernandez, Christian Strebel, Ifan E L Stephens, Jane H Nielsen, Ib Chorkendorff

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A matter of size: The particle size effect on the activity of the oxygen reduction reaction of size-selected platinum clusters was studied. The ORR activity decreased with decreasing Pt nanoparticle size, corresponding to a decrease in the fraction of terraces on the surfaces of the Pt nanoparticles (j(k) =kinetic current density, see picture).
Original languageEnglish
JournalAngewandte Chemie International Edition
Volume51
Issue number19
Pages (from-to)4641-4643
ISSN1433-7851
DOIs
Publication statusPublished - 2012

Keywords

  • Electrochemistry
  • Fuel cells
  • Heterogeneous catalysis
  • Nanoparticles
  • Platinum

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