Determination of decomposition starting temperature of hydrocarbons adsorbed on a single crystal surface

Representative results for cycloheptane on Ni(755)

Hideo Orita, Hiroshi Kondoh, Hisakazu Nozoye

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The method to determine the decomposition starting temperature of hydrocarbons adsorbed on a single crystal surface was developed by taking use of inhibiting effect of CO on decomposition. The representative results for cycloheptane decomposition on Ni(755) have been presented. Temperature programmed desorption (TPD) spectra after preflash and postdosing of CO indicated that the decomposition of adsorbed cycloheptane to partially dehydrogenated intermediates started at 162 K and was completed by 200 K. The characteristics and differences in predosing and postdosing effects between CO and bismuth have been discussed.

Original languageEnglish
Pages (from-to)3648-3654
Number of pages7
JournalJournal of Physical Chemistry
Volume99
Issue number11
Publication statusPublished - 1995
Externally publishedYes

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Cycloheptanes
Single crystal surfaces
Hydrocarbons
crystal surfaces
Carbon Monoxide
hydrocarbons
Decomposition
decomposition
single crystals
Temperature
Bismuth
temperature
Temperature programmed desorption
bismuth
desorption

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

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AB - The method to determine the decomposition starting temperature of hydrocarbons adsorbed on a single crystal surface was developed by taking use of inhibiting effect of CO on decomposition. The representative results for cycloheptane decomposition on Ni(755) have been presented. Temperature programmed desorption (TPD) spectra after preflash and postdosing of CO indicated that the decomposition of adsorbed cycloheptane to partially dehydrogenated intermediates started at 162 K and was completed by 200 K. The characteristics and differences in predosing and postdosing effects between CO and bismuth have been discussed.

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