Effect of Pd nanoparticle size on the catalytic hydrogenation of allyl alcohol

Orla M. Wilson, Marc R. Knecht, Joaquin C. Garcia-Martinez, Richard M. Crooks

Research output: Contribution to journalArticle

290 Scopus citations

Abstract

We report a particle size dependence for the rate of hydrogenation of allyl alcohol using 1.3-1.9 nm Pd dendrimer-encapsulated nanoparticle (DEN) catalysts. For particles with diameters of <1.5 nm and containing <147 Pd atoms, the modulation in catalytic activity is due to the electronic properties of the particle. For the larger particles, 1.5-1.9 nm in diameter and containing an average of 147-250 Pd atoms, the size effect is a result of geometrical constraints. Specifically, the hydrogenation reaction is shown to occur preferentially on the face atoms of the larger nanoparticles.

Original languageEnglish (US)
Pages (from-to)4510-4511
Number of pages2
JournalJournal of the American Chemical Society
Volume128
Issue number14
DOIs
StatePublished - Apr 12 2006

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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