Dehydrogenation of methylcyclohexane on Pt(111)

Chen Xu, Bruce E. Koel, Mark A. Newton, Nathan A. Frei, Charles T. Campbell

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26 Scopus citations

Abstract

The mechanism of the dehydrogenation of methylcyclohexane (MCH) on Pt(111) has been studied using HREELS, TPD, and BPTDS. Upon warming a monolayer of MCH closed at 100 K, ≅55% desorbs and ≅45% dehydrogenates to a π-allylic species at ≅240 K. This π-allylic intermediate dehydrogenates further to a benzyl species at ≅310 K. Adsorbed benzyl is stable up to ≅450 K on Pt(111), but at higher temperatures further hydrogenation occurs.

Original languageEnglish (US)
Pages (from-to)16670-16675
Number of pages6
JournalJournal of physical chemistry
Volume99
Issue number45
DOIs
StatePublished - 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Engineering
  • Physical and Theoretical Chemistry

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