On the catalytic properties and structure of small platinum particles supported on graphite

JoséManuel Domínguez, Miguel José Yacamán

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The crystallographic structure of small platinum particles was studied and correlated with their catalytic activity. The platinum particles are found to be fcc cubo-octahedra with either a (111) or a (110) face in contact with the basal graphite plane. Particles appear in well-defined azimuthal orientations on the surface which indicates the strong nature of their interaction with the substrate. The catalytic properties are studied using the conversion of neopentane as a test reaction. An interesting correlation between the number of B3 sites on (111) faces of the cubooctahedral particles and the selectivity for neopentane conversion is reported. The findings are in agreement with an early model of isomerization proposed by M. Boudart, A. W. Aldag, L. D. Ptak, and J. E. Benson (J. Catal. 11, 35-45, (1986).

Original languageEnglish (US)
Pages (from-to)223-227
Number of pages5
JournalJournal of Catalysis
Volume64
Issue number1
DOIs
StatePublished - Jul 1980
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

Fingerprint

Dive into the research topics of 'On the catalytic properties and structure of small platinum particles supported on graphite'. Together they form a unique fingerprint.

Cite this