A novel [PtMo6]/MgO catalyst for alkane-to-alkene conversion

D. I. Kondarides, K. Tomishige, Y. Nagasawa, Y. Iwasawa

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


A novel [PtMo6]/MgO ensemble catalyst was prepared using a [PtMo6O24]8−heteropolyanion precursor and characterized, by EXAFS. Analysis of the EXAFS spectra showed that after calcination at temperatures above 673 K platinum and molybdenum atoms interact with the support. Platinum ions (Pt4+) replace surface Mg2+ ions of the MgO carrier, while Mo6+ ions locate on the magnesia surface in a distorted octahedrally, coordinated framework. Catalytic tests using i-butane, n-butane and propane dehydrogenation as probe reactions showed that the novel ensemble catalyst exhibits a much better catalytic performance compared to conventionally prepared catalysts.

Original languageEnglish
Pages (from-to)141-150
Number of pages10
JournalStudies in Surface Science and Catalysis
Issue numberC
Publication statusPublished - 1995 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry


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